Explosion proof lamp must be equipped with explosion-proof switch?
It depends on where the switch is installed. If it is installed in a dangerous area, it must be an explosion proof switch; if the switch is in the safe area, the ordinary switch will do.
If the switch is in the safe area, the ordinary switch will do.
If it is installed in a dangerous area, it must be an explosion proof switch; if the switch is in the safe area, the ordinary switch will do.
