This document specifies requirements for the construction, testing and marking for Group II electrical equipment with type of protection “n” which includes; sealed devices “nC”, hermetically sealed devices “nC”, non-incendive components “nC” and restricted breathing enclosures “nR” intended for use in explosive gas atmospheres. This document applies to electrical equipment where the rated input voltage does not exceed 15 kV r.m.s. AC or DC including where the internal working voltages of the Ex product exceeds 15 kV, for example starters for HID luminaires.
Basic Data
Standard ID
GB/T 3836.8-2021 (GB/T3836.8-2021)
Description (Translated English)
Explosive atmospheres - Part 8: Equipment protection by type of protection "n"
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
K35
Word Count Estimation
27,231
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
