IEC FIRST YEAR SECOND SEMESTER
MIDTERM FINAL STUDY SHEET 2026
QUESTIONS SOLUTIONS GRADED A+
⩥ Refer to Figure 128.202. ___ volts are applied across the water heater
element.
Select one:
a.
120
b.
240
c.
0
d.
480.
Answer: 240
,⩥ Circuits 7 and 9 share a neutral. This is a multiwire branch circuit. If
Ckt. 7 is drawing 13 amps and Ckt. 9 is drawing 16 amps, how much
current is flowing in the neutral?
Select one:
a.
3
b.
13
c.
29
d.
16.
Answer: 3
⩥ The Code reference that specifies the type of disconnecting means
(circuit breaker for example) that can be used on a multiwire branch
circuit that feeds devices mounted on the same yoke [a stack switch or a
duplex receptacle for example] is ___.
,Note: Select N/A (not applicable) if there is not an NEC® requirement.
Select one:
a.
Article 100
b.
240.15(B)(1)
c.
404.8(A)
d.
N/A.
Answer: 240.15(B)(1)
⩥ Voltmeters are connected in ___ with the load when used to measure
voltage across a load in a circuit.
Select one:
, a.
parallel
b.
series.
Answer: Parallel
⩥ The neutral has been broken in the circuit shown in Figure 128.418.
The current through Lamp F (IF) with the neutral opened is ___ amps.
Select one:
a.
6
b.
1
c.
2
d.
8
MIDTERM FINAL STUDY SHEET 2026
QUESTIONS SOLUTIONS GRADED A+
⩥ Refer to Figure 128.202. ___ volts are applied across the water heater
element.
Select one:
a.
120
b.
240
c.
0
d.
480.
Answer: 240
,⩥ Circuits 7 and 9 share a neutral. This is a multiwire branch circuit. If
Ckt. 7 is drawing 13 amps and Ckt. 9 is drawing 16 amps, how much
current is flowing in the neutral?
Select one:
a.
3
b.
13
c.
29
d.
16.
Answer: 3
⩥ The Code reference that specifies the type of disconnecting means
(circuit breaker for example) that can be used on a multiwire branch
circuit that feeds devices mounted on the same yoke [a stack switch or a
duplex receptacle for example] is ___.
,Note: Select N/A (not applicable) if there is not an NEC® requirement.
Select one:
a.
Article 100
b.
240.15(B)(1)
c.
404.8(A)
d.
N/A.
Answer: 240.15(B)(1)
⩥ Voltmeters are connected in ___ with the load when used to measure
voltage across a load in a circuit.
Select one:
, a.
parallel
b.
series.
Answer: Parallel
⩥ The neutral has been broken in the circuit shown in Figure 128.418.
The current through Lamp F (IF) with the neutral opened is ___ amps.
Select one:
a.
6
b.
1
c.
2
d.
8