A Separately Derived ____ with 60 Volts on Each of Two

Multiple Choice

A separately derived ____ with 60 volts on each of two ungrounded conductors to an equipment grounding conductor can be used to reduce objectionable noise in sensitive electronic equipment locations.

A) 110-volt, single-phase, 3-wire system
B) 115-volt, single-phase, 3-wire system
C) 120-volt, single-phase, 3-wire system
D) 125-volt, single-phase, 3-wire system