MO-VALLEY TEST 2-5 STUDY GUIDE
2025/2026 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. The NEC's definition of medium voltage ranges from ? to ? .
a.
2,001 V / 35,000 V
b.
4,160 V / 42,000 V
c.
7,200 V / 66,000 V
d.
12,470 V / 69,000 V - ANSWER ✔ a.
2,001 V / 35,000 V
2. It is extremely important that the cables' phase identification and circuit
number be correctly placed on all pulled cables. If the cables are improperly
marked, it may lead to ? .
, a.
back-feed
b.
equipment damage, explosion/death, or fire
c.
excessive voltage or current to the equipment being fed
d.
excess time to terminate and/or splice - ANSWER ✔ b.
equipment damage, explosion/death, or fire
3. When calculating the resistance of a circuit, ? Law applies.
a.
Kirchhoff's
b.
Norton's
c.
Ohm's
d.
Thevenin's - ANSWER ✔ c.
, Ohm's
4. During a megohmmeter cable test, leakage current can take two forms:
current through the insulation, and current ? .
a.
along the surface of the insulation
b.
leakage at the pothead
c.
leakage into the neutral/ground
d.
tracking at insulators - ANSWER ✔ a.
along the surface of the insulation
5. A megohmmeter uses a high ? voltage to perform an insulation test on a
cable
a.
AC
b.
constant/steady/filtered
, c.
DC
d.
variable - ANSWER ✔ c.
DC
6. The three most common methods of testing cable insulation are: using a
megohmmeter, doing a VLF test, or doing a ? test.
a.conductivity
b.hi-potential
c.high-frequency
d.static - ANSWER ✔ b.hi-potential
7. Tracks that form in insulation and will eventually lead to faulted cable are
called ? .
a.carbon deposits
b.corona fractures
c.longitudinal stress lines
d.water trees - ANSWER ✔ d.water trees
8. A high-potential test normally applies ? to the cable being tested.
a.high DC voltages
b.low AC voltages
c.overvoltages
2025/2026 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. The NEC's definition of medium voltage ranges from ? to ? .
a.
2,001 V / 35,000 V
b.
4,160 V / 42,000 V
c.
7,200 V / 66,000 V
d.
12,470 V / 69,000 V - ANSWER ✔ a.
2,001 V / 35,000 V
2. It is extremely important that the cables' phase identification and circuit
number be correctly placed on all pulled cables. If the cables are improperly
marked, it may lead to ? .
, a.
back-feed
b.
equipment damage, explosion/death, or fire
c.
excessive voltage or current to the equipment being fed
d.
excess time to terminate and/or splice - ANSWER ✔ b.
equipment damage, explosion/death, or fire
3. When calculating the resistance of a circuit, ? Law applies.
a.
Kirchhoff's
b.
Norton's
c.
Ohm's
d.
Thevenin's - ANSWER ✔ c.
, Ohm's
4. During a megohmmeter cable test, leakage current can take two forms:
current through the insulation, and current ? .
a.
along the surface of the insulation
b.
leakage at the pothead
c.
leakage into the neutral/ground
d.
tracking at insulators - ANSWER ✔ a.
along the surface of the insulation
5. A megohmmeter uses a high ? voltage to perform an insulation test on a
cable
a.
AC
b.
constant/steady/filtered
, c.
DC
d.
variable - ANSWER ✔ c.
DC
6. The three most common methods of testing cable insulation are: using a
megohmmeter, doing a VLF test, or doing a ? test.
a.conductivity
b.hi-potential
c.high-frequency
d.static - ANSWER ✔ b.hi-potential
7. Tracks that form in insulation and will eventually lead to faulted cable are
called ? .
a.carbon deposits
b.corona fractures
c.longitudinal stress lines
d.water trees - ANSWER ✔ d.water trees
8. A high-potential test normally applies ? to the cable being tested.
a.high DC voltages
b.low AC voltages
c.overvoltages
