GB 17465.1-1998 Appliance couplers for household and similar purposes Part 1: General requirements
Some standard content:
GB17465.1--1998
This standard is equivalent to the International Electrotechnical Commission 1EC320-1:1991% Appliance couplers for household and similar purposes Part: General requirements\ and Amendment 1 (1995) Amendment 2 (1996). Appliance couplers for household and similar purposes are widely used in household appliances and connected to electrical appliances or equipment. In most cases, they are not used by professionals. The quality and safety of the products directly affect people's lives, property and the safety of the surrounding environment. In order to improve the versatility and safety and reliability of the products, and to make the products have a unified inspection method and safety requirements, we have adopted IEC320-1 in terms of technical content and the writing format is equivalent to IFC320-1 to formulate this standard. The differences between this standard and IEC 320-1 are as follows: 1. Some areas of my country have a tropical climate with high ambient temperature. According to the geographical environment and climate characteristics of my country, we stipulate in this standard that the working ambient temperature of the appliance coupler should not exceed 35℃, and occasionally reach 10℃. IEC320-1 stipulates that the working ambient temperature of the appliance coupler should not exceed 25℃, and occasionally reach 35℃. When the test of some clauses needs to be evaluated under more severe conditions, IEC320-1 stipulates that the test is conducted at 35℃±2℃, while this standard stipulates that the test is conducted at 40℃±2℃. 2. In Amendment 1, IEC320-1 adds electromagnetic compatibility (EMC) requirements, and modifies and explains the sizes of some figures in the standard diagrams. This standard also adds 29 chapters accordingly, and has been modified directly in the cabinet, and all the figures are arranged in reverse order. In Amendment 2, IEC320-1 revised some clauses and added Appendix A and Figure 28. This standard also adds the content of Part J accordingly.
This standard is proposed by the Ministry of Machinery Industry.
This standard is under the jurisdiction of the National Technical Committee for Standardization of Electrical Accessories. The drafting unit of this standard is Guangzhou Electric Science Research Institute of the Ministry of Machinery Industry. The main drafters of this standard are Huang Wenqing and Huang Wenxiu. This standard is entrusted to the National Technical Committee for Standardization of Electrical Accessories for interpretation. GB17465.1—1998
IEC Foreword
International Standard IEC320-1 was developed by IEC Technical Committee 23, Subcommittee 23G for Electrical Accessories: Subcommittee for Appliance Couplers.
This edition cancels and replaces the second edition published in 1981, Amendment 1 in 1984, Amendment 2 in 1985 and Amendment 3 in 1987 to become a new technical version. It forms the first part of a series of editions, the other parts being: IEC 320-2-1: 1984 Part 2-1: Sewing machine couplers IEC 320-2-2: 1990 Part 2-2: Interconnection couplers for household and similar appliances This text is based on the second edition and on the following documents: DIS
23G(CO)65
23G(CO)67
23G(CO)74
23G(CO)75
23G(CO)76
23G(CO)77
2 3G(CO)79
23G(CO)87
Vote Report
23G(CO)68
23G(CO)73
23G(CO)81
23G(CO)82
23G(CO)83
23G(CO)84
23G(CO)86
23G(CO)89
The contents of Amendment 1 are based on the following documents: DIS
23G/140/DIS
DIS Amendment 2 is based on the following documents: Final Draft International Standard
23G(CO)70
Voting Report
23G(CO)71
Voting Report
23G/145/RVD
Details of the voting in favor of this Amendment can be found in the voting reports listed in the table above. The content of Amendment 2 is based on the following documents: Final Draft International Standard
23G/153/Final Draft International Standard
Voting Report
23G/165/RVD
Details of the voting in favor of this Amendment can be found in the voting reports listed in the table above. National Standard of the People's Republic of China
Appliance couplers for household and similar general purposes
Part 1: General requirements
Appliance couplers for bousehold and similar general purposesPart 1: General requirements1Scope
GB 17465. 1—1998
eqIEC320-1.1994
This standard applies to AC two-pole appliance couplers with or without earthing contacts for household and similar purposes. The couplers are used to connect the power cord to appliances or other electrical equipment with a rated voltage not exceeding 250V, a rated current not exceeding 16A, and a power frequency of 50Hz or 60Hz:
1 This standard also applies to appliance auxiliary socket-outlets installed on appliances or integrated with appliances or equipment. 2 The requirements for connectors are based on the temperature of the corresponding appliance coupler not exceeding the following: for connectors used in cold conditions, not exceeding 70°C; for connectors used in hot conditions, not exceeding [20°C; for connectors used in hot conditions, not exceeding 15°C. 3 Appliance couplers conforming to this standard are suitable for use in ambient temperatures not normally exceeding 35°C and occasionally reaching 40°C. : Appliance couplers conforming to this standard are suitable for connecting equipment without special moisture protection. If used to connect equipment that may be exposed to body spray in normal use, the equipment shall have weak traceability measures. 3 Special structures may be required in places with special conditions, such as above, on vehicles and in hazardous places where explosions may occur. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard by reference in this standard. When this standard is revised, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB2099.1-1.996 Plugs and sockets for household and similar purposes Part 1: General requirements (cq1EC884-1:1994) GB1002-1996 Single-phase plugs and sockets for household and similar purposes Types, basic parameters and dimensions GB4207--84 Determination of the relative leakage decay index and the residual current tracking index of solid insulating materials under humid conditions (cq[EC 112+1979)
GB5023.3-1997 Polyvinyl chloride insulated cables with rated voltages of 450/750V and below Part 3: Unsheathed cables for fixed wiring (cqvIEC227-3:1993)
Rubber insulated cables with rated voltages of 450/750V and below Part 2: Test methods (cqv1ECGB 5013.2—1997
245-2:1994
Instructions for adoption:
1] Considering that some areas of my country have a subtropical climate, the ambient temperature for the use of appliance closers is specified as "usually not exceeding 35°C, occasionally reaching 40°C\
IEC120-1 The ambient temperature specified in this article is "not exceeding 25°C in the passband, occasionally reaching 35°C", and the same applies to the following. Approved by the State Administration of Quality and Technical Supervision on August 17, 1998, and implemented on September 1, 1999
GB17465.1—1998
GB/T5169.11--1997 Test methods for fire hazard tests of electrical and electronic products, glow-wire tests and guidelines for finished products (idtIEC 695-2-1/1:1994)
GB/T12501-90 Classification of electrical and electronic equipment according to protection against electric shock (neqIFC536:1976) GB/T14536.1-93 Automatic electrical controls for household and similar purposes Part 1: General requirements (id1IEC73:1986) GB15092.1-94 Appliance switches Part 1: General requirements (idtIEC1058-1:1990) TEC50(151):1978 International Electromechanical Vocabulary (IEV)-Chapter 51: Electromagnetic devices ISO286-1:1988 ISO system of tolerances and fits - Part: Basis of tolerances, deviations and fits ISO 1101:1983 Technical drawings - Geometrical tolerances - Tolerances of form, position and radial run-out - General requirements, definitions and symbols for drawings
ISO 1456:1988 Metallic coatings - Nickel-chromium coatings and copper-nickel-chromium coatings TSO 2081:1986 Gold coatings - Zinc coatings on copper or iron ISO 2093:1986
6 Tin coatings - Technical requirements and test methods 3 Definitions
This standard adopts the following definitions.
Unless otherwise specified, the values of the terms "voltage" and "current" used in this standard are valid values. The term "accessory" includes connectors and/or appliance inlets (and plugs in some cases). 3.1 Apparatus coupler apptiancecoup ler refers to a coupler that can arbitrarily connect or disconnect the power cord to an appliance or other equipment. It consists of two parts: a connector and an appliance input socket.
3.2 Connector connertor
A component of an appliance coupler that is integrated with the power cord, or an accessory intended to connect the power cord to it. 3.3 Appliance inlet appliance inlet A component of an appliance coupler that is integrated with an appliance or equipment or installed in an appliance or equipment, or an accessory intended to be fixed to an appliance or equipment.
1 The housing and base of the appliance inlet that is integrated with the appliance are formed by the housing of the appliance or equipment. 2 The appliance inlet installed on the appliance or equipment is an independent appliance inlet that is embedded in or fixed to the appliance or equipment. 3.4 Removable accessory rewirablc An accegsary is an accessory that has a structure in which the cord can be replaced.
3.5 Non-Tewirablaaccessory An accessory in which the cord and connector are assembled into a whole by the manufacturer, and the conductor cannot be removed without permanently destroying it, and it cannot be disassembled by hand or general tools (such as screwdrivers). Note: When the original parts or materials of the accessory cannot be used for reassembly, the accessory is considered to be permanently damaged. 3.6 Cord assembly A component consisting of a cord with a non-rewirable plug and a non-rewirable connector, used to connect electrical appliances or equipment to the power supply. 3.7 Base of a pin
The part of the pin from which the pin protrudes above the mating surface. 3.8 Retaining device
A mechanical structure that can keep the connector properly mated with the corresponding appliance input socket and prevent the connector from accidentally falling out. 3.9 Rated voltage rated vol tage
The voltage specified by the manufacturer for the accessory.
3.10 Rated current
The current specified by the manufacturer for the accessory.
3.11 Terminal
GB 17465. 11998
Refers to a reusable conductive part for connecting an external conductor. 3.12 Termination
Refers to a conductive part that permanently connects a conductor.
3.13 Screw-type terminal-a terminal that can be connected and disconnected from a conductor directly or with the help of any type of screw and nut. 3.14 Pillar terminal
A screw-type terminal in which the conductor is inserted into a hole or slot and clamped under the screw end. The clamping force can be applied directly by the end of the screw or through an intermediate clamping piece that is subjected to the force of the screw end. 3.15 Screw terminal screw terminal
A threaded terminal that clamps the wire under the screw head. The clamping force can be applied directly through the screw head or through intermediate components such as a ring, clamping plate or anti-loosening component.
3.16 Stud terminal A threaded terminal that clamps the wire under the nut. The clamping force can be applied directly by a nut of appropriate shape or through intermediate components such as a washer, clamping plate or anti-loosening component.
3.17 Screwless terminal A connection terminal that can be directly or indirectly installed and removed from the wire through a spring, block, eccentric device or cone. 3.18 Tapping screw
A tapping screw with a tapered thread made of a relatively high rigidity material. When used, it is inserted into a hole made of a relatively low rigidity material by rotation to produce a threaded and reliable connection.
Note: Screws are made of tapered threads. The thread is applied to the core diameter of the thread at the end face of the screw. The thread produced by the action of the screw is reliably formed only after a sufficient number of turns have been made to exceed the number of turns of the tapered part of the thread. 3.19 Thread-forming tapping screws are self-tapping screws with an uninterrupted thread. After being screwed into a certain material, the screw has no effect of discharging material from the hole. Note: An example of a thread-forming tapping screw is shown in Figure 26. 3.20 Thread-cutting tapping screws are self-tapping screws with an interrupted thread. After being screwed into a certain material, the screw has the effect of discharging material from the hole. Note: An example of a thread-cutting tapping screw is shown in Figure 27. 3.21 Type test
A test performed on a design of one or more devices to show that the design meets certain requirements. (IFV 151-04-15)
routine test
routine test
Tests carried out on each device during and/or after manufacture to determine whether the device complies with a certain standard. (IEV 151-01-16)
4 General requirements
The design and control of appliance couplers shall ensure that they are safe and reliable in normal use and do not pose a hazard to the user and the surrounding environment. Compliance shall be checked by all the prescribed tests. Note: The appliance shall be able to meet all relevant requirements and prescribed tests in this standard. 5 General description of tests
5.1 Where applicable, tests shall be carried out to demonstrate compliance with the requirements specified in this standard. There are two types of tests:
GB 17465. 1-1998
--Type tests shall be carried out on specimens of each accessory--Routine tests shall be carried out on each accessory manufactured in accordance with this standard where applicable. 5.2 to 5.8 apply to type tests, and 5.8 to 5.9 apply to routine tests. 5.2 Unless otherwise specified, the test specimens shall be tested as in the delivery state and in normal use, at an ambient temperature within the range of 20°C ± 5°C, with an alternating current of 50 Hz or 60 Hz.
Non-detachable connectors, excluding those forming part of the wiring assembly, shall be tested with a flexible cord of at least 1 m in length. 5.3 Unless otherwise specified, the tests shall be carried out in the order of the clauses of each chapter. 5.4 Unless otherwise specified, connectors and appliance input plugs shall be tested together with corresponding appliance input sockets or connectors complying with this standard.
5.5 For appliance inlets, three specimens shall be used for the prescribed tests. For inverters, nine specimens (11 specimens if they are made of elastic or thermoplastic material) shall be used for the prescribed tests: · The first group shall use three specimens for the tests specified in other chapters except Chapters 14, 15, 16, 19, 20, 21 and 22.4 and 24.2. - The first group shall use three specimens for the tests specified in Chapters 14, 15, 16, 19, 20, 21 (including the test in Chapter 16); - The third group shall use three specimens for the test in 22.4; - The fourth group shall use two specimens of elastic or thermoplastic material for the test in 24.2. For non-rewirable connectors with indicators, three additional specimens with one pole of the indicator disconnected shall be used for the test in Chapter 15. 5.6 Appliance inlets which are integral with or mounted on appliances or equipment shall be tested under the conditions of use of the equipment. The number of specimens of appliance inlets shall be the same as the number of equipment specimens required by the relevant equipment standard. 5.7 If more than one specimen fails in a particular test, the connector and appliance inlet shall be considered not to comply with this standard. If a specimen fails in a test, the test and any previous tests which may have influenced the result of the test shall be repeated with a group of the number of specimens specified in 5.5. All specimens shall pass the retest. In general, only the test which caused the failure shall be repeated, except in the following cases. a) When one of the three specimens in the second group specified in 5.5 fails when tested in accordance with clauses 19, 20 or 21, in this case the tests required by the first group of 5.5 shall be repeated starting from clause 16.or d) when testing in accordance with clauses 22 or 23 (except clause 22.4), one of the three test partners in the first group specified in clause 5.5 fails to pass. In this case, the tests required by the first group of clause 5.5 shall be repeated starting from clause 18. The applicant may submit additional samples at the same time as the number of samples specified in clause 5.5, in case any sample fails to pass. In this way, the testing station can test the additional samples without waiting for the applicant to make another request, and only if a non-conforming item is found will it be considered non-conforming. If the additional samples are not submitted at the same time, the product shall be considered non-conforming if only one of the samples fails to pass. 5.8 Routine tests are specified in Appendix A. 6 Standard Ratings
6.1 The rated voltage is 250V.
6.2 Rated currents of 0.2 A, 2.5 A, 6 A, 10 A and 16 A, as specified in 9.1, shall be verified by checking the markings. 7 Classification
7.1 Classification of appliance couplers
7.1.1 Classification according to the maximum plug temperature of the plug base of the corresponding appliance socket: - appliance couplers for use in cold conditions (plug temperature does not exceed 70°C); - appliance couplers for use in hot conditions (plug temperature does not exceed 120°C); - appliance couplers for use in hot conditions (plug temperature does not exceed 155°C). GB 17465. 11998
7.1.2 Classification according to the type of connected appliances or equipment: - Appliance coupler for Class 1 appliances or equipment; - Appliance coupler for Class 2 appliances or equipment. Note: For descriptions of appliance or equipment types, refer to (1/T12501--90 (or IFC536:1975). 7.2 Connectors are classified according to the connection method of the cord: Rewirable connector:
- Non-rewirable connector.
1 Various types of couplers and their applications are listed in Figure 1. 2 If the relevant standards of the equipment allow, 0.2A appliance couplers are used For connecting small wall to Class I equipment, 3. Appliance couplers for cold conditions should not be used with heating appliances with external metal parts, because the temperature rise of metal parts may exceed 75K under normal working conditions and may be touched by the soft cord in normal use. 4. Appliance couplers for hot conditions can be used under cold conditions; appliance couplers for hot conditions can be used under cold or hot conditions. 8 Marking
8.1 The connector should be marked with:
Rated current A (except 0.2A connector);
Rated voltage
—2 Power nature symbol Number;
Manufacturer name or trademark;
——Model.
Note: Model can be a classification number.
8.2 Except for the appliance input socket installed in the appliance or equipment or forming a whole with the appliance drum equipment, other appliance input sockets shall be marked with the manufacturer's name or trademark and model. And after the appliance input socket is installed or combined with the connector, the model shall be visible. The markings of 0.2A and 2.5A appliance input sockets can be seen as long as they will not be confused with the markings of the appliance itself. Note: Model can be a classification number.
8.3 Class II equipment Spare connectors and appliance inlets shall not be marked with symbols of Class 1 construction. 8.4 The symbols shall be used as follows:
Switch-type
Note: Symbols with diagrams are preferred.
For marking the rated current and rated voltage, separate numbers may be used. These numbers may be arranged in a straight line, separated by a slash, or the rated current digits may be placed above the rated voltage digits and separated by a horizontal line. The marking of the nature of the power supply shall be immediately after the rated current and rated voltage digits.
1 The marking of the current, voltage and nature of the power supply may be indicated as follows: 10 A 250 V~ or 10/250~ or 2
2 The straight line formed by the knot of the accessory is not considered to be part of the mark: 8.5 When the connector is wired and ready for use, the markings specified in 8.1 shall be easily recognizable. Note: The term "ready for use" does not mean that the connector has been inserted into the connector. GB 17465. 11998
8.6 In a non-reversible connector, the position of the contacts shall be determined according to the connector mating surface shown in Figure 1, and they are arranged as follows: ground contact: upper middle;
phase contact: lower right:
neutral contact: lower left.
In a rewirable non-reversible connector, the terminals shall be marked as follows: ground terminal: symbol
neutral terminal; letter N.
In non-rewirable, non-reversible connectors, the contacts need not be marked, but the conductors shall be connected as specified in 22.1 to appliance inlets for use with connectors complying with this clause. Except for appliance inlets mounted on or integral with appliances or equipment, the terminals shall be marked in accordance with this clause. Marking symbols or letters shall not be marked on pins, removable washers or other removable parts. NOTE The requirements concerning sub-marking and conductor connection have been included for consideration in countries that already require a polarized power supply system and that may in the future adopt a unified plug and socket system (which is largely a polarized system). It is recommended that this requirement be considered in countries that do not currently adopt a polarized plug and socket system.
Rewirable connectors shall be provided with
) a wiring diagram showing the method of conductor connection, in particular indicating the remaining length of the earthing conductor and the installation of the cord anchorage. b) a full-size schematic diagram showing the length of bushing and insulation to be stripped. c) the size and type of the applicable cord.
「The connection of the grounding conductor must be indicated in an indicative manner, preferably with a sketch. 2 For connectors directly supplied to the equipment manufacturer, these contents are not required. 8.7 The marking should be wear-resistant and easy to identify.
8.8 Check compliance with 8.1 to 8.7 by visual inspection and by wiping the mark by hand with a cloth dipped in water for 15$ and then with a cloth dipped in gasoline for 155. Requirements. 1 The model may be marked with paint or water and protected with varnish if necessary. 2 The gasoline used should be composed of solvent hexane, containing a maximum volume ratio of aromatic cyclohexane of 0.1, a shellac butanol value of 29, an initial melting point of about 65°C, a dry point of about 69°C, and a specific gravity of about 0.68g/cm. 3 Tests to check the abrasiveness of the mark are under consideration. 9 Dimensions and interchangeability
9.1 Appliance couplers shall comply with the requirements specified in the standard diagrams, except as permitted by 9.6: 0.2A 250V appliance couplers for class I equipment under cold conditions: Connector
—Appliance input socket
See Figure C1
See Figure C2
2.5A 250V appliance coupler for Class I equipment under cold conditions: connector
Appliance inlet
See Figure C318
See Figure C4
2.5A 250V appliance coupler for Class I equipment under cold conditions: connector
Instructions for use:
See Figure C5
11 In order to list in order, this is changed to Figure C3, and the following is arranged in this way. IEC320-1 is "Standard C.5" Appliance inlet standard type
GB17465.1—1998
See Figures C6 and C6A
Appliance inlet for alternatively connecting equipment to two different mains voltages See Figure C6BWww.bzxZ.net
6 A 250 V appliance coupler for class 1 equipment in cold conditions; Connector
Appliance inlet
See Figure C7
See Figure C8
10 A 250 V appliance coupler for class I equipment in cold conditions: Connector
Appliance inlet
See Figure cg
See Figure C10
10 A 250 V appliance coupler for class I equipment in hot conditions: Connector
Appliance inlet
See Figure C11
See Figure C12
10 A 250 V appliance coupler for class I equipment in hot conditions V appliance coupler: connector
appliance inlet
see Figure C11A
see Figure C12A
10A 250V appliance coupler for class I equipment in cold condition: connector
-appliance inlet
see Figure C13
see Figure C14
16A 250V appliance coupler for class I equipment in cold condition; connector
appliance inlet
see Figure C15
see Figure C16
16A 250V appliance coupler for class I equipment in hot condition: connector
appliance inlet
see Figure C17
see Figure C18
16A 250V appliance coupler for class I equipment in cold condition V Appliance coupler: Connector
Appliance inlet
See Figure C19
See Figure C20
Check the dimensions with a gauge or by measurement. In case of doubt, a gauge should be used. The test is to be carried out at an ambient temperature of 35°C ± 2C1\. The electrical accessories and gauges should be at this temperature. The gauges used are as follows:
Figure 2 is for checking 0.2A connectors;
Figures 3, 4 and 5 are for checking 2.5A connectors - Figures 9A to 9T are for checking other connectors and appliance inlets. Socket. The distance from the mating surface of the connector to the point where the sleeve begins to contact is checked using the relevant gauge shown in Figure 25. Note: The gauge used for the peripheral dimensions of the appliance inlet is under consideration. 9.2 If a device is provided to keep the connector in the appliance inlet, it shall comply with the requirements of Figure C21 of this standard. Compliance is checked by measurement.
9.3 No single-pole connection can be made between the connector and the appliance inlet. The appliance inlet shall not be improperly connected to a mobile socket complying with the provisions of GB2099.1 and GB1002. Instructions for use:
1] Since the ambient temperature of the use of the connector under this regulation does not normally exceed 35°C, it may reach 40°C, so this regulation requires that the test be carried out at 35°C = 2°C. 1EC320-1 In this regulation, it is required to be carried out at 25°C ± 5°C. GR 17465.1-1998
Connectors should not be able to be improperly connected with plugs that comply with the provisions of GB2099.1 and GB1002. Compliance is checked by manual test. Note
1 "Improper connection" refers to single-pole connection and other connections that do not meet the requirements for protection against electric shock. 2 Compliance with these requirements is guaranteed by consistency with the standard diagram. 9.4 The following connectors and appliance inlets cannot be combined: a connector for Class I devices or equipment with an appliance inlet socket for other devices or equipment, a connector for cold conditions with an appliance inlet socket for hot conditions or very hot conditions; a connector for hot conditions with an appliance inlet socket for very hot conditions; a connector with an appliance inlet with a current greater than its rated current. Compliance is determined by visual inspection, manual test and inspection with the gauges shown in Figures 6 to 9. For 6 A, 10 A and 16 A connectors and appliance inlets, compliance is checked by the gauges shown in Figures 9 A to 9 T.
The test is carried out at an ambient temperature of 40°C ± 2°C11 and the accessories and gauges are exposed to this temperature. NOTE: Compliance with this requirement is ensured by conformity with the standard diagrams. Except as verified by the basic gauges shown in 6 to 9, 9.5 If the appliance inlet is arranged to be embedded in the outer surface of the appliance or equipment and this surface is curved or inclined with respect to the axis of the appliance inlet, the ends of the pins shall not in any case protrude beyond the outer surface of the appliance inlet. Compliance with this requirement shall be checked by connecting all the pins, including the earthing pin, to one pole of the contact indicator and the other pole to a metal ruler whose width is greater than the maximum internal dimension of the appliance inlet, and by placing the ruler in all possible directions on the opening of the appliance inlet housing. The first ruler shall not contact the end of the pin.
1 For 10A and 16A appliance inlets for class 1 equipment, a simulated earthing pin shall be present during the test. 2 Use an electrical contactor with a voltage between 40V and 50V to show whether it is in contact with the part being tested. 9.6 The dimensions specified in the standard diagram may be deviated from, but only if the deviation can provide technical advantages and will not adversely affect the use and safety of the appliance coupler that complies with the standard, especially the interchangeability and non-interchangeability. Appliance couplers with dimensional deviations shall comply with all other requirements of this standard applicable to these couplers. Note
1 If it is necessary to enlarge the rated connector to accommodate components such as switches, thermostats, etc., and for some reason it is necessary to prevent the use of standard connectors with nominal lengths or types of flexible cords, its "technical advantages" can be emphasized. 2 Changes that adversely affect the current-carrying capacity of the connector are not allowed. 3 Such non-standard accessories should not be combined with accessories that comply with the diagrams of this standard, but they can be combined with accessories of different rated currents. If such non-standard accessory, when combined with a standard accessory having the same rating, has live parts that are more accessible than live parts of a standardized appliance coupler of the same rating, or if the combination of a non-standard accessory with a standard accessory does not comply with the requirements of this standard other than dimensions, it shall not be combined. 10 Protection against electric shock
10.1 Appliance couplers shall be so designed that live parts of the appliance inlet shall not be accessible when the appliance inlet is partially or completely engaged with the connector.
Connectors shall be so designed that when they are properly assembled and wired as in normal use, live parts and earthing contacts and parts connected thereto shall not be accessible.
Compliance shall be checked by inspection and, if necessary, by the use of the standard test finger shown in Figure 10. The test finger is applied to every possible position and a 40 V to 50 V electrical indicator is used to show whether it is in contact with the part under test. For connectors made of rubber or thermoplastic materials as shell or substrate:
1 Due to the subtropical climate in some parts of my country, the test environment temperature is 40°C ± 2°C. Here, IEC320-1 stipulates 35°C ± 2°C
GB 17465. 1-1998
, the test refers to all aspects where the deformation of the insulating material will affect the safety of the connector, and a force of 20N is applied to 306. The test is carried out at an ambient humidity of 40°C ± 2°C.
Electrical indicator with a voltage between 40V and 50V. The blade shows whether it is in contact with the relevant parts 1
2. If it is consistent with the standard diagram, it can meet the requirement that the contact elements cannot be touched during the insertion of the connector into the appliance input socket. 10.2 As long as the pins of the appliance input socket are accessible, it should be impossible to connect the pins of the appliance input socket and the sleeve of the connector. Whether it is qualified, pass the dynamic test and the test inspection of 10.1. 10.3 It should be impossible to remove the parts used to prevent contact with live parts without using tools, and the devices fixing these parts should be separated from live parts. The socket (if any) in the plug insertion hole shall be fully fixed and cannot be removed without disassembling the connector. Compliance shall be checked by inspection and manual test. 10.4 The external parts of the connector, except for the assembly screws and similar parts, shall be made of insulating material. The shell and base of the appliance input socket without earthing contact, and the shell and base of the 2.5A appliance input socket with earthing contact shall also be made of insulating material. Compliance shall be checked by inspection.
1 The suitability of insulating materials shall be checked in the insulation test of Chapter 15. 2 Paint or enamel cannot be regarded as insulating material suitable for 10.1--10.4. 11 Grounding measures
11.1 The grounding terminal shall comply with the requirements of Chapter 12. Compliance shall be checked by inspection and the test of Chapter 12. 11.2 For appliance couplers with earthing fusion, the earthing pin shall be in contact before the current-carrying pin when the connector is inserted. When the connector is unplugged, the current-carrying pin shall be disconnected before the earthing pin is disconnected. For appliance couplers that do not comply with the requirements of the standard drawings, first check the drawings taking into account the effects of tolerances, then check the specimens against the drawings to determine whether they comply with the requirements.
Note: Compliance with this standard is ensured by consistency with the standard drawings. 12 Terminals and terminations
The requirements of this clause apply only to connectors.
Special requirements for separate appliance inlets not installed in or integral with equipment or appliances are under consideration.
For appliance inlets installed in equipment, the requirements of the national standard applicable to the equipment shall be met. 12.1 General requirements
12.1.1 Rewirable connectors shall be provided with threaded terminals. Threaded terminals shall be of the type duplex, screw, double-bolt type or of an equivalent type. Non-rewirable connectors shall be connected by soldering, welding, press-fitting or equivalent threadless connection methods which shall not allow the conductors to separate. Threaded connections shall not be used. The ends of stranded conductors shall not be soldered where the conductors are subject to contact pressure unless clamping features are designed to prevent the risk of poor contact due to cold flow of flux. 12.1.2 The clamping features of the terminal shall not be used to fix any other parts, although the clamping features may position the terminal and prevent the terminal from rotating. 12.1.3 Rewirable connectors with a rated current not exceeding 16 A shall have No. 1 terminals. This terminal can connect conductors with a cross-sectional area of not less than 0.75 mm* and not more than 1.5 mm2. Note: GB 17465. 1-1998 11.5 mmn The expanded diameter of the soft conductor is 1.73 mm. 2 The size of the connector is related to the size of the terminal (see Figures C22 and C23). Compliance is checked by inspection, measurement and connection of conductors with cross-sectional areas of 0.75 mm2 and 1.5 mm2. 12.2 Screw terminals
12.2.1 Screw terminals shall be capable of connecting conductors without special preparation. Compliance is checked by inspection.
Note: The term "special preparation" includes welding of the conductor, the use of cable lugs, forming holes, etc. It does not include reshaping of the conductor before insertion into the terminal or twisting the conductor to make the end firm. 12.2.2 Screw terminals shall be of adequate strength. Screws and nuts used to clamp the conductors shall have metric threads. Screws shall not be made of soft or easily deformable metals such as zinc or aluminum. Compliance is checked by inspection and by the tests of 12.2.4 and 12.2.8. 12.2.3 Screw terminals shall be resistant to corrosion.
1 Terminals are considered to comply with this requirement if the base of the terminal is made of sawn or steel alloy as specified in 25.6. 2 Terminals made of other materials are subject to corrosion tests, which are under consideration. 12.2.4 Screw terminals shall be able to clamp the conductor tightly and clamp the conductor between metal surfaces. Compliance is checked by inspection and by the following test. Connect the conductors of the smallest and largest cross-sectional areas specified in 12.1.3 to the terminal and tighten the screws of the terminal with a torque equal to 2/3 of the value specified in Table 8.
Each conductor is then subjected to a tension test: 40 N for terminal No. 1 and 50 V for terminal No. 2.
The force shall not be applied by explosive force and shall be applied in the axial direction of the space occupied by the conductor for 1 min. During the test, there shall be no appreciable movement of the conductor on the terminal. 12.2.5 Screw terminals shall be so designed that they do not unduly damage the conductor when they are clamped. Compliance is checked by inspecting the conductor after clamping and releasing the conductors of the smallest and largest cross-sectional areas specified in 12.1.3. The torque applied when clamping the conductor is two-thirds of the torque shown in Table 8. NOTE: Undue damage is considered to occur when more than 10% of the bare wire strands of a graded conductor are broken. 12.2.6 Screw terminals shall be so designed or located that the bare wire strands of the cord cannot escape when the clamping screw or nut is tightened. Compliance is checked as follows.
Connect a conductor of the size shown in Table 1 to the terminal. Before insertion into the terminal, twist the cord in one direction so that there is one full turn of even twist, the length of which is approximately 10 mm
Insert the conductor into the clamping element for the minimum distance specified. If there is no specified distance, insert until the wire just comes out from the other end of the terminal and is in the position where the bare wire is most likely to come out, then tighten the clamping screw with a torque equal to 2/3 of the value specified in Table 8.
Terminal size
Nominal cross section of wire
Wire core
Number of wires × nominal diameter of single wire mm6 Screw terminals shall be so designed or placed that the bare wires in the cord cannot come out when the clamping screw or nut is tightened. Compliance is checked as follows.
Connect the conductor having the size shown in Table 1 to the terminal. Before insertion into the terminal, twist the cord in one direction so that there is a full turn of even twisting, the length of this turn being approximately 10 mm
Insert the conductor into the clamping part for the minimum distance specified. If no distance is specified, insert until the conductor just emerges from the other end of the terminal and is in the position most likely to cause the bare wires to come out, then tighten the clamping screw with a torque equal to 2/3 of the value specified in Table 8.
Terminal size
Nominal cross-section of the conductor
Conductor cores
Number of strands × nominal diameter of single wire, mm6 Screw terminals shall be so designed or placed that the bare wires in the cord cannot come out when the clamping screw or nut is tightened. Compliance is checked as follows.
Connect the conductor having the size shown in Table 1 to the terminal. Before insertion into the terminal, twist the cord in one direction so that there is a full turn of even twisting, the length of this turn being approximately 10 mm
Insert the conductor into the clamping part for the minimum distance specified. If no distance is specified, insert until the conductor just emerges from the other end of the terminal and is in the position most likely to cause the bare wires to come out, then tighten the clamping screw with a torque equal to 2/3 of the value specified in Table 8.
Terminal size
Nominal cross-section of the conductor
Conductor cores
Number of strands × nominal diameter of single wire, mm
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.