GB/T 1002-2021 (GB 1002-2024 Newer Version) PDF English
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Single phase plugs and socket-outlets for household and similar purposes - Types, basic parameters and dimensions
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Single phase plugs and socket-outlets for household and similar purposes -- Types, basic parameters and dimensions
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| GB 1002-2008 | English | 85 |
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[GB/T 1002-2008] Single phase plugs and socket-outlets for household and similar purposes. Types, basic parameters and dimensions [Quasi-Official / Academic version - translated by Chinese Institute]
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| GB 1002-1996 | English | 85 |
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Single phase plugs and socket-outlets for household and similar purposes. Types, basic parameters and dimensions
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Types, basic parameters and dimensions of single phase plugs and sockets
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GB/T 1002-2021: PDF in English (GBT 1002-2021) GB/T 1002-2021
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.120.30
CCS K 30
Replacing GB/T 1002-2008
Single Phase Plugs and Socket-Outlets for Household and
Similar Purposes – Types, Basic Parameters and Dimensions
ISSUED ON: OCTOBER 11, 2021
IMPLEMENTED ON: NOVEMBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative References ... 6
3 Terms and Definitions ... 6
4 Technical Requirements ... 6
5 Test Methods ... 8
Foreword
This Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for
Standardization – Part 1: Rules for the Structure and Drafting of Standardizing Documents.
This Document replaced GB/T 1002-2008 Single Phase Plugs and Socket-Outlets for
Household and Similar Purposes - Types, Basic Parameters and Dimensions. Compared with
GB/T 1002-2008, the major technical changes of this Document are as follows besides the
structural adjustment and editorial modifications:
--- Delete the single-phase two-pole dual-purpose socket and its corresponding gauge (see
Figures 5, 17 and 18 in 2008 Edition);
--- Add the requirement that the live pin of the plug may be provided with an insulating
sheath (see 4.2.2 of this Edition);
--- Change the plug without grounding function, which has the same type, parameter and
dimension as the single-phase two-pole grounding plug in Figure 3 that can be equipped
with Class II equipment (see 4.2.3 of this Edition; 5.6 of 2008 Edition);
---Add the requirements that the distance between the live plug bush and the mating surface
of the socket should be no less than the value specified in Table 1 (see 4.3.1 of this
Edition);
--- Add the requirements that the distance between grounding plug bush and the mating
surface is no greater than the distance between live plug bush and mating surface of the
sane socket (see Figure 4) (see 4.3.2 of this Edition);
--- Add the use method of socket gauges (see 5.1.3 of this Edition);
--- Add Figure 5 schematic diagram for the edge of the plug, Figure 6 schematic diagram
for the height of the insulating sheath of the plug pin, and Figure 7 schematic diagram
for the distance between the live plug bush and the mating surface of the socket (see
Figures 5, 6 and 7 of this Edition);
--- Change the stop gauge to a single-pin stop gauge (see Figure 12 of this Edition; Figures
11 and 15 of 2008 Edition);
--- Combine the inner gauge and the outer gauge of a single-phase two-pole grounding plug
into a new gauge (see Figure 9 of this Edition; Figures 7 and 8 of 2008 Edition);
--- Change the length of the non-contact gauge (see Figures 13 and 14 of this Edition;
Figures 12 and 16 of 2008 Edition);
--- Add single-phase two-pole socket contact gauge and single-phase two-pole grounding
socket contact gauge (see Figures 15 and 16 of this Edition);
Single Phase Plugs and Socket-Outlets for Household and
Similar Purposes – Types, Basic Parameters and Dimensions
1 Scope
This Document specifies the types, basic parameters, dimensions and test methods of single-
phase plugs and sockets for household and similar purposes.
This Document applies to single-phase plugs and sockets with an AC frequency of 50Hz, a
rated voltage of 250V, and a rated current not exceeding 16A for use in households and similar
household environments.
2 Normative References
The provisions in following documents become the essential provisions of this Document
through reference in this Document. For the dated documents, only the versions with the dates
indicated are applicable to this Document; for the undated documents, only the latest version
(including all the amendments) is applicable to this Document.
GB/T 1184-1996 Geometrical Tolerancing - Geometrical Tolerance for Features without
Individual Tolerance Indications
GB/T 2099.1-2021 Plugs and Socket-Outlets for Household and Similar Purposes - Part 1:
General Requirements
GB/T 2900.70-2008 Electrotechnical Terminology - Electrical Accessories
3 Terms and Definitions
For the purposes of this Document, the terms and definitions given in GB/T 2900.70-2008 and
GB/T 2099.1-2021 apply.
4 Technical Requirements
4.1 General
4.1.1 Single-phase plugs and sockets for household and similar purposes are divided into two
basic types: two-pole ungrounding type and two-pole grounding type.
4.1.2 The type, basic parameters and dimensions of single-phase plugs and sockets for
household and similar purposes are as specified in Figures 1, 2, 3 and 4.
4.2 Plug
4.2.1 The shape of the plug is not specified, but the distance between the live pin and the edge
of the plug shall be no less than 6.5mm.
NOTE: If the mating surface of the plug is not a flat plane, the intersecting line with the outer surface of
the main body, offset by 1 mm from a plane passing through the highest point of the mating surface and
perpendicular to the axis of the pin, is regarded as the edge of the plug, as shown B value in Figure 5.
4.2.2 The live pins of plug may be provided with insulating sheaths. For the plug in Figure 1,
the height of the insulating sheath is (7 ± 0.5) mm; for the plug in Figure 3, the height of the
insulating sheath is (9 ± 0.5) mm, see schematic S in Figure 6. The outer dimension of the
insulating sheath of the plug cannot exceed the minimum size of the corresponding socket jack;
and the plug can be inserted into the socket smoothly.
Plugs with insulating sheaths shall also meet the requirements of 4.2.1.
NOTE: For plugs with insulating sheaths, patent issues may be involved.
4.2.3 Class-II equipment can be equipped with a single-phase two-pole grounding plug of the
same type, parameter and size as shown in Figure 3, but with no grounding function, and it shall
be made into a non-rewireable form. The position of the grounding pin in Figure 3 is used to
install the drive plate of protective door. The color of the driver plate is black, it is not connected
to the grounding wire, and the grounding symbol is not marked. It is only used as a drive device
to open the protective door when it is inserted into the socket.
4.3 Socket
4.3.1 The distance between the live plug bush and the mating surface of the socket shall be no
less than the value specified in Table 1, as indicated by K in Figure 7.
4.3.2 The distance between the grounding plug bush and the mating surface shall be no greater
than the distance between the live plug bush and the mating surface of the same socket (Figure
4).
5 Test Methods
5.1.1 To inspect the dimensions of single-phase plugs and sockets for household and similar
purposes, use the special gauges specified in Figures 8 ~ 16 and a vernier caliper with a division
value of 0.02mm to check, and measure the size of the rounding part of the end of the plug and
pin with an appropriate measuring tool. The surface roughness of these gauges is all , and
the hardness is Rockwell hardness HRC58~HRC62. The tolerance of form and position, such
as parallelism, perpendicularity and symmetry of the gauges are in accordance with the Grade-
H tolerances specified in GB/T 1184-1996.
5.1.2 The pins of the plug shall be able to pass the gauges shown in Figures 8 and 9. If the plug
pin is provided with an insulating sheath, the insulating sheath part does not need to pass the
gauges shown in Figures 8 and 9.
5.1.3 The use methods of socket gauges are as follows:
--- The general gauge of the socket shall be able to be inserted into the jack of the socket
panel;
--- The stop gauge of the socket shall not be able to be inserted into the jack of the socket
panel;
--- The contact gauge of the socket shall be able to touch the live plug bush of the socket;
--- The non-contact gauge of the socket shall not be able to touch the live plug bush of the
socket.
When using the gauge, if the socket has a protective door, it shall be disabled so as not to affect
the test.
The insertion force of the gauge shall be no greater than the maximum pull-out force in Table
16 of GB/T 2099.1-2021.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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