This part specifies the basic requirements for protection against electric shock, including basic protection (direct contact protection) and fault protection (indirect contact protection) for human and livestock. In addition, the application and coordination of the above requirements are specified according to the external influence conditions. This section also specifies the requirements for the use of additional protection in specific cases.
GB 16895.21-2011 Referenced Document
GB 16895.3-2004 Electrical installations of buildings--Part 5-54:Selection and erection of electrical equipment-Earthing arrangements,protective conductors and protective bonding conductors
GB 16895.6 Electric installations of buildings-Part 5: Selection and erection of electrical equipment-Chapter 52: Wiring systems
GB/T 17045 Protection against electric shock—Common aspects for installations and equipment*, 2020-03-31 Update
GB/T 18379 Voltage bands for electrical installations of buildings
GB/T 19215.1 Cable trunking and ducting systems for electrical installations Part 1: General requirements
GB/T 19215.2 Cable trunking and ducting systems for electrical installations--Part 2: Particular requirements Section 1: Cable trunking and ducting systems intended for mounting on walls or ceilings
GB/T 19215.3 Cable trunking and ducting systems for electrical installations - Part 2-2: Particular requirements - Cable trunking systems and cable ducting systems intended for underfloor and flushfloor installations*, 2012-11-05 Update
GB/T 19215.4 Cable trunking and ducting systems for electrical installations—Part 2: Particular requirements—Section 4:Service poles*, 2017-07-31 Update
GB/T 20041.1 Conduit systems for cable management.Part 1:General requirements*, 2015-05-15 Update
GB/T 20041.21 Conduit systems for cable management—Part 21: Particular requirement for rigid conduit systems*, 2017-07-31 Update
GB/T 20041.22 Conduit systems for cable management - Part 22: Particular requirement - Pliable conduit systems
GB/T 20041.23 Conduit systems for cable management - Part 23: Particular requirement - Flexible conduit systems
GB/T 20041.24 Conduit systems for cable management - Part 24: Particular requirement - Conduit systems buried underground
GB/T 20041.25 Conduit systems for cable management - Part 25: Particular requirements for conduit fixtures*, 2016-09-01 Update
IEC 61558-2-6 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safet*, 2021-05-18 Update
IEC Guide 104 The preparation of safety publications and the use of basic safety publications and group safety publications*, 2019-07-24 Update
GB 16895.21-2011 history
2020GB/T 16895.21-2020 Low-voltage electrical installations—Part 4–41:Protection for safety—Protection against electric shock
2011GB 16895.21-2011 Low-voltage electrical installations.Part 4-41:Protection for safety.Protection against electric shock
2004GB 16895.21-2004 Electrical installations of buildings Part 4-41:Protection for safety-Protection against electric shock
1993GB 14821.1-1993 Electric shock protection of electrical installations in buildings