GB/T 11918.4-2014: Plugs, socket-outlets and couplers for industrial purposes -- Part 4: Switched socket-outlets and connectors with or without interlock

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Scope

Chapter 1 of GB/T 11918.1-2014 is applicable, after it is modified as follows.
Paragraphs 1 and 2 are replaced with the following contents.

Basic Data

Standard ID	GB/T 11918.4-2014 (GB/T11918.4-2014)
Description (Translated English)	Plugs, socket-outlets and couplers for industrial purposes -- Part 4: Switched socket-outlets and connectors with or without interlock
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K30
Classification of International Standard	29.120.30
Word Count Estimation	21,270
Date of Issue	6/24/2014
Date of Implementation	1/22/2015
Quoted Standard	GB/T 11918.1-2014; GB/T 4025; GB/T 4728.1; GB/T 5465.1; GB/T 11918.2-2014; GB 14048.1; GB 14048.3; GB 14048.4; GB 14048.5; GB 15092.1; GB/T 16842; GB/T 4728.2; GB/T 4728.3; GB/T 4728.4; GB/T 4728.5; GB/T 4728.6; GB/T 4728.7; GB/T 4728.8; GB/T 4728.9; GB/T
Adopted Standard	IEC 60309-4-2012, MOD
Regulation (derived from)	National Standards Bulletin No. 14 of 2014
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the use of industrial sockets and connectors with or without interlock switch with protection against electric shock, interlock switch and its components, structure, mechanical strength, electrical properties and other technical re