GB/T 2099.3-2022 English PDF (GB/T2099.3-2022)

GB/T 2099.3-2022: Plugs and socket-outlets for household and similar purposes - Part 2-5: Particular requirements for adaptors
Delivery: 9 seconds. Download (& Email) true-PDF + Invoice.
Get Quotation: Click GB/T 2099.3-2022 (Self-service in 1-minute)
Historical versions (Master-website): GB/T 2099.3-2022
Preview True-PDF (Reload/Scroll-down if blank)

GB/T 2099.3-2022
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.120.30
CCS K 30
Replacing GB/T 2099.3-2015
Plugs and Socket-outlets for Household and Similar
Purposes - Part 2-5.Particular Requirements for Adaptors
(IEC 60884-2-5.2017, MOD)
ISSUED ON. OCTOBER 12, 2022
IMPLEMENTED ON. MAY 1, 2023
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 4
Introduction... 10
1 Scope... 12
2 Normative References... 12
3 Terms and Definitions... 13
4 General Requirements... 15
5 General Description Regarding Tests... 16
6 Ratings... 16
7 Classification... 16
8 Markings... 16
9 Dimension Inspection... 18
10 Protection against Electric Shock... 18
11 Grounding Measures... 19
12 Terminal and Termination... 19
13 Construction of Fixed Socket-outlets... 20
14 Construction of Plugs and Movable Socket-outlets... 20
15 Interlocking Socket-outlets... 23
16 Aging Resistance, Protection Provided by Enclosures and Moisture-proof... 24
17 Insulation Resistance and Electrical Strength... 24
18 Operation of Grounding Contacts... 25
19 Temperature Rise... 25
20 Breaking Capacity... 28
21 Normal Operation... 29
22 Force Required to Pull out the Plug... 30
23 Flexible Cables and Their Connection... 33
24 Mechanical Strength... 35
25 Heat Resistance... 36
26 Screws, Current-carrying Components and Their Connections... 36
27 Creepage Distances, Clearances and Distances through Sealing Compound... 36
28 Resistance of Insulating Materials to Abnormal Heat, Fire and Tracking... 37
29 Resistance to Rusting... 38
Plugs and Socket-outlets for Household and Similar
Purposes - Part 2-5.Particular Requirements for Adaptors
1 Scope
Chapter 1 of GB/T 2099.1-2021 is replaced by.
This document stipulates the technical requirements for the ratings, markings, protection
against electric shock, construction, electrical properties and mechanical properties, etc. of
adaptors.
This document is applicable to adaptors for indoor or outdoor use, household and similar
purposes, only for alternating current, and with a rated voltage above 50 V but not more than
440 V, a rated current not exceeding 32 A, with or without a grounding contact.
This document also applies to travel adaptors (see Appendix AA). For travel adaptors, the scope
is limited to adaptors with a rated voltage above 50 V but not more than 250 V, and a rated
current not exceeding 20 A.
Travel adaptors that simultaneously connect two or more plugs are beyond the scope of this
document.
This document includes the requirements for adaptors with additional functionality, but it does
not include requirements for the additional functionality itself.
NOTE 1.additional functionality includes electronic power supply, dimmer, timer, protection
device and infrared switch, etc.
This document does not apply to adaptors equipped with appliance couplers that comply with
the provisions of GB/T 17465 (all parts).
Adaptors that comply with the requirements of this document are suitable for normal use where
the ambient temperature usually does not exceed +40 C, but the average ambient temperature
within a 24 h period does not exceed +35 C, and the lower limit of the ambient air temperature
is 5 C.
NOTE 2.tests at temperatures below the normal range are being considered.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
3.106 travel adaptor
A mobile electrical accessory intended for temporary use, allowing one or multiple types of
plugs from different national systems to be connected to socket-outlets not designed for plug-
in of these plugs.
NOTE 1.travel adaptor does not have to be an integral unit, it may integrate additional functionality.
NOTE 2.examples of the national systems are listed in IEC TR 60083.
3.107 travel adaptor with movable pins
A travel adaptor with a plug pin that can slide in and out, swivel or fold in any direction, i.e.,
the pin is not permanently fixed, but there are measures of locking it in its normal use position.
3.108 intermediate adaptor
An adaptor that allows one or multiple plugs to be connected to a socket-outlet through control
devices, such as. dimmer switches and photoelectric switches, etc. The control devices are
connected to the adaptors through an external flexible cable.
3.109 rewireable intermediate adaptor
An intermediate adaptor with a replaceable external flexible cable construction.
3.110 non-rewireable intermediate adaptor
An intermediate adaptor that is connected with the external flexible cable and assembled into
an integral unit by the manufacturer.
NOTE. see 14.1.
3.111 adaptor with cable outlet
A rewireable or non-rewireable adaptor with a construction for connecting the external flexible
cable through a flexible cable outlet.
3.112 rated power
The power value specified by the manufacturer for an electrical accessory.
4 General Requirements
Chapter 4 of GB/T 2099.1-2021 is applicable.
The travel adaptors are not allowed to charge electric vehicles and electric bicycles.
5 General Description Regarding Tests
Chapter 5 of GB/T 2099.1-2021 shall be applicable after adding the following content.
For the purpose of this test, unless otherwise specified, the term “adaptor” includes fused
adaptor, polarized adaptor, single-way adaptor, multi-way adaptor, intermediate adaptor and
adaptor with cable outlet. It is also referred to as travel adaptor in Appendix AA.
6 Ratings
Chapter 6 of GB/T 2099.1-2021 shall be applicable after adding the following content.
6.101 The rated voltage of the adaptors shall not be lower than the nominal voltage of the supply
system, to which, it can be connected through a socket-outlet.
NOTE. the nominal voltage is defined in GB/T 156.
6.102 The rated current of the adaptors shall take the minimum value of the following currents.
---the rated current of the plug part; or
---the arithmetic sum of the maximum rated currents of all plugs that can be simultaneously
plugged into the adaptor; or
---the rated current of a built-in overcurrent protection device (if any).
6.103 When given, the rated power of the adaptors shall be calculated by multiplying the rated
current (specified in 6.102) by the rated voltage (specified in 6.101) at a power factor of 1.
Whether it satisfies the requirements of 6.101 ~ 6.103 can be checked by observing the signs.
7 Classification
Chapter 7 of GB/T 2099.1-2021 is applicable.
8 Markings
Chapter 8 of GB/T 2099.1-2021 shall be applicable after the following modifications.
8.1 The content of the first dash is modified into.
---rated current (A) or rated power (W), or both;
Add the following content at the end of the sub-clause.
plug of the same system with the live bushing of the adaptor, or the pin of the adaptors with the
live bushing of a socket-outlet of the same system.
10.4 Paragraph 1 is modified into the following content.
The external components of the plug shall be made of insulating materials; but with exceptions
of assembly screws, as well as current-carrying and grounding pins, grounding strips, metal
rings surrounding the pins, and easily accessible metal parts that comply with the requirements
of 10.2.1 or 10.2.2 in GB/T 2099.1-2021.
10.5 Paragraph 1 is modified into the following content.
The socket-outlet part of the adaptors with a shutter shall also be structurally designed to ensure
that the probes shown in Figure 9 and Figure 10 of GB/T 2099.1-2021 cannot touch the live
parts without being mated with the plug.
For the combination jack of the adaptors with a shutter, when one plug is plugged-in and the
remaining jacks are not plugged-in, the probes shown in Figure 9 and Figure 10 of GB/T
2099.1-2021 shall not touch the live parts.
Add the following content.
10.101 When the adaptors is completely mated with the socket-outlet, the removal of the fuse
and / or fuse holder shall not cause the live parts to become accessible.
Compliance is checked by observation and, in case of doubt, when the fuse and / or fuse support
is not in the normal use position and the adaptors is completely mated with the socket-outlet,
by using the test tool 13 of GB/T 16842-2016 to apply a force not exceeding 5 N. The test tool
shall not touch the live parts.
11 Grounding Measures
Chapter 11 of GB/T 2099.1-2021 is applicable.
12 Terminal and Termination
Chapter 12 of GB/T 2099.1-2021 shall be applicable after the following modifications.
12.1.2 Replaced by.
Rewireable adaptors and rewireable intermediate adaptors with cable outlets shall be equipped
with the screw-clamp type terminals.
14.23.101 The adaptors shall be able to withstand lateral stresses that may be exerted by devices
inserted into them.
Compliance is checked by the following test through the device shown in Figure 13 of GB/T
2099.1-2021.
Firstly, the specimen is mounted on a vertical surface, so that the plane passing through the live
bushing is in a horizontal direction. The test surface shall be in a vertical position and parallel
to the vertical mounting surface.
Then, completely insert the device and apply a force of 5 N in the vertical downward direction.
After 1 min, remove the device and swivel the adaptor by 90 on the mounting surface. Test
four times and swivel the mating surface by 90 each time. During the test, the device shall not
be completely disengaged. The test shall be repeated for each socket-outlet part of the adaptor.
After the test, the adaptor shall not be damaged within the meaning of this document and shall,
in particular, comply with the requirements of Chapter 22.
14.24 Modified into.
The shape of the adaptors and / or the material they are made of shall make it easy to pull out
the adaptors from the corresponding socket-outlets.
In addition, the gripping surface shall be designed so that the adaptors can be pulled out without
pulling on the flexible cable.
Compliance is checked by observation. In case of doubt, check by test.
NOTE. an example of the test is provided in Appendix C, and the “adaptors” are used instead of
the “plugs”.
14.25 This clause of GB/T 2099.1-2021 does not apply.
Add the following content.
14.101 If any of the socket-outlets in the socket-outlet part of the adaptors has a grounding
bushing or contact, then, the plug part of the adaptors shall also have a grounding pin or contact.
Adaptors connecting socket-outlets with grounding contacts to plugs without grounding
contacts for Category-0 equipment are not allowed.
Compliance is checked by observation and the test of 11.5.
14.102 The adaptors used in polarized socket-outlets shall be designed so that their internal
connections shall ensure that the plug pins, and bushings and terminals (if any) of the socket-
outlets maintain the same polarity for the input and output parts of the adaptors.
Compliance is checked by observation and, if necessary, an electrical continuity test.
14.103 If the insulation of the external flexible cable does not satisfy the requirements of the
corresponding national standards, and the electrical strength test between the flexible cable and
the metal foil wrapped outside the insulation layer specified in 17.3 of GB/T 2099.1-2021 does
not comply with the requirements, then, the flexible cable shall be considered as a bare
conductor.
14.104 The body of the fused adaptors shall be equipped with suitable fuse links that comply
with the relevant requirements of GB/T 13539.3, GB/T 9364.2 or GB/T 9364.3.
The fuse link shall be connected between the adaptor plug pin and its corresponding socket-
outlet bushing.
In polar systems, the fuse link shall be installed between the phase line plug pin and the
corresponding phase line socket-outlet bushing.
The fuse links shall not be installed in grounded circuits.
The adaptors shall be designed so that when assembled, they will not leave the fuse links in a
poor contact condition.
Compliance is checked by observation.
14.105 The adaptors shall not have an enclosure shaped or decorated to resemble a toy.
NOTE. examples of such enclosures are those representing animals, people, characters or scale
models. Spraying is not included.
Compliance is checked by observation.
14.106 The socket-outlet part of the adaptors shall not allow plugs with a rated current higher
than the rated current of the plug part on the adaptors to be plugged in, unless the adaptors are
equipped with an overcurrent protection device with a rated current less than or equal to the
rated current of the plug part on the adaptors.
Compliance is checked by observation.
14.107 Chinese socket-outlets used on the adaptors shall adopt shutters or other protective
measures to prevent electric shock.
NOTE 1.other protective measures, such as. electronic, mechanical and interlocking, etc. Other
protective measures are indicated on the relevant product instructions.
NOTE 2.examples of the adaptors are shown in Appendix BB.
15 Interlocking Socket-outlets
Chapter 15 of GB/T 2099.1-2021 shall be applicable after the following modifications.
assembly screws, the measurement shall be conducted with the plug mated.
b) When the plug is in the mated condition, the measurement shall be conducted
successively between each pole and all other poles, which are connected together to
a metal foil in contact with the outer surface of external accessible parts made of
insulating materials, including external assembly screws.
c) For the adaptors with cable outlet and the rewireable intermediate adaptors, the
measurement shall be conducted between any metal parts of the flexible cord fixing <...