Apparatus used in a potentially explosive area contain
intrinsically safe electric circuits only. An electric
circuit is intrinsically safe if no sparks or thermal
effects produced under specified test conditions
(which include normal operation and specific fault
conditions) is not capable of causing ignition of a
given explosive atmosphere.
Apparatus used in a potentially explosive area contain
intrinsically safe electric circuits only. An electric circuit
is intrinsically safe if no sparks or thermal effects
produced under specified test conditions (which include
normal operation and specific fault conditions) is not
capable of causing ignition of a given explosive atmosphere.