Nonincendive Circuit. A circuit, other than field wiring, in which any arc or thermal effect produced under intended operating conditions of the equipment is not capable, under specified test conditions , of igniting the flammable gas?air, vapor?air, or dust?air mixture.
Would a fire alarm pull stations circuit qualify as a Nonincendive Circuit in C1D1 location and in a C1D2 location?
Would a fire alarm pull stations circuit qualify as a Nonincendive Circuit in C1D1 location and in a C1D2 location?