*@Korean National Standards@* CHAPTER 3 (usual structure) 常用结构 ?1. The rise in temperature in The Exit lamp must not make trouble 标志灯内部温度升高不能影响其在使用市电时的功能。 or do harm against it ’s ability within using power sauce (常用電 壓) and voltage. ? 2.Anti -explosion structure of Anti- explosion Exit lamp must meet standards arranged by Korean indust rial standard of Industrial safety law. 防爆型标志灯的结构要符合韩国行业安