PR S 40042 Flashcards
Safety issues for signalling personnel
1
Q
how do you test a circuit is de-energised
A
less than one volt for
-active to negative
-active to earth
-negative to earth
Signalling B paper > PR S 40042 > Flashcards
how do you test a circuit is de-energised
less than one volt for
-active to negative
-active to earth
-negative to earth