This code is applicable to the low-voltage power distribution design of AC and power frequency 1000V and below in new construction, reconstruction and expansion projects.
GB 50054-2011 Referenced Document
GB 13028 Isolating transformers and safety isolating transformers--Requirements
GB 16895.21 Low-voltage electrical installations.Part 4-41:Protection for safety.Protection against electric shock*, 2011-12-30 Update
GB 4208 Degrees of protection provided by enclosure(IP code)
GB 50055 Code for design of electric distribution of general-purpose utilization equipment
GB 50217 Design Standards for Power Engineering Cables*, 2018-02-12 Update
GB/T 16895.15 Electrical installations of buildings Part 5: Selection and erection of electrical equipment Section 523: Current-carrying capacities in wiring systems
GB/T 17045 Protection against electric shock—Common aspects for installations and equipment*, 2020-03-31 Update
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 20041.1 Conduit systems for cable management.Part 1:General requirements*, 2015-05-15 Update