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Electronics & electrical
Mandatory GB requirements for ICT equipment, appliances, batteries, luminaires, explosion-proof installations, and electrical safety.
869Matched mandatory standards
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Industry guide
Use this cluster when your product uses mains power, batteries, telecom interfaces, AV/ICT functions, lighting systems, or electrical installations. Check CCC scope separately because many electrical GB safety standards are used inside CCC certification rules.
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GB 20800.3-2008
General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres - Part 3: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust
爆炸性环境用往复式内燃机防爆技术通则 第3部分：存在甲烷和（或）可燃性粉尘的地下矿区巷道用I类内燃机
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