How much V is the contact voltage limit (equivalent to the safety voltage) prescribed by the International Electrotechnical Commission (IEC)? And provides 25V following do not need to consider the safety measures to prevent electric shock.

How much V is the contact voltage limit (equivalent to the safety voltage) prescribed by the International Electrotechnical Commission (IEC)? And provides 25V following do not need to consider the safety measures to prevent electric shock.
A . 30
B . 90
C . 50
D . 220

View Answer

Answer: C