Why is outer jacket of cable used for intrinsically safe system light blue?
T Thread Starter tushar May 30, 2011 #1 Why is outer jacket of cable used for intrinsically safe system light blue?
B Bob Peterson May 30, 2011 #2 It is light blue because someone(s) decided that would be a good color to identify IS wiring with. Just like someone(s) decided white was a good color to identify grounded conductors (at least in the US).
It is light blue because someone(s) decided that would be a good color to identify IS wiring with. Just like someone(s) decided white was a good color to identify grounded conductors (at least in the US).