Question { Metro, 4074 }

how to check the continuity of a cable with a megger

Answer

its very simple
Connect the other ends of cable togather and take megger from other end at very low voltage, if megger is zero means it is continuty is one, again seprate the the cable and take the megger if megger is more tha 100 Kohm, means cable is healthy.

Question { 2957 }

V.c.b and a.c.b difference

Answer

VCB is used where system voltage is high as 11 kv , 33 kv but current value is low

while ACB is used where system voltage is low but current value is high , ACB comes upto current value of 2000 amps