Does the explosion-proof lamp housing need to be earthed?
According to the national standard of electric explosion prevention, the earthing of explosion-proof electrical equipment has earthing device, must be grounded, and it is reliable grounding.
According to the national standard of electric explosion prevention, the earthing of explosion-proof electrical equipment has earthing device, must be grounded, and it is reliable grounding.
According to the national standard of electric explosion prevention, the earthing of explosion-proof electrical equipment has earthing device, must be grounded, and it is reliable grounding.
