20 toes - ANS-The duration of naked copper conductor in a floor ring MUST be buried no much
less than 2.Five' below grade and with a period of at least:
a) 10 ft
b) 20 toes
c) 25 ft
d) 50 feet
208 V - ANS-The PEAK voltage in a nominal one hundred twenty/208 VAC gadget is:
a) 120 V
b) a hundred and seventy V
c) 208 V
d) 277 V
three - ANS-What is the MINIMUM range of overload sensing devices required for all three
section automobiles?
A) 0
b) 1
c) 2
d) three
8' - ANS-A UL indexed rod kind grounding electrode need to have a MINIMUM duration of:
a) 6'
b) 8'
c) 10'
d) 20'
nine..6 ohms - ANS-If the potential throughout the circuit is forty eight volts and the current is 5
amps the resistance of the circuit is:
a) four.8 ohms
b) nine.6 ohms
c) forty eight.0 ohms
d) ninety six.0 ohms
90-ranges - ANS-In a circuit of pure capacitance, the contemporary leads the voltage with the
aid of an perspective of:
a) 30-ranges
b) forty five-tiers
c) ninety-degrees
d) one hundred eighty-stages
A1 & A2 - ANS-An auxiliary conserving contact (seal-in) on a NEMA starter is indicated by using
the terminal marking:
a) 13 & 14
b) 2 & three
c) T1 & T2