erickench
Senior Member
- Location
- Brooklyn, NY
Okay!!! The $64 million dollar question from the PassBook.
A 480/120 volt isolating transformer in a closet is used to supply ungrounded 2-wire circuits for a hospital operating room. The design error involved in this arrangement is that
A. all operating room circuits must be grounded
B. only 3 wire circuits may be used
C. maximum permitted primary voltage is 300 volts
D. all of the above
What is your answer? Tick Tock Tick Tock Tick Tock
A 480/120 volt isolating transformer in a closet is used to supply ungrounded 2-wire circuits for a hospital operating room. The design error involved in this arrangement is that
A. all operating room circuits must be grounded
B. only 3 wire circuits may be used
C. maximum permitted primary voltage is 300 volts
D. all of the above
What is your answer? Tick Tock Tick Tock Tick Tock