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Exam (elaborations)

NHIE Electrical Exam Questions with 100% Correct Answers Updated

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NHIE Electrical Exam Questions with 100% Correct Answers Updated What does code say about bends in NM conduit? - Answer- No sharp bends; max 5x cable diameter. What must you do if you run more than 2 wires through the same fireblocked wood framing hole? - Answer- Wires must be derated. What...

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  • September 23, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nhie electrical
  • nhie electrical exam questions
  • what does code say about bends in nm conduit

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  • NHIE Electrical

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NHIE Electrical Exam Questions with
100% Correct Answers Updated 2024-
2025
What does code say about bends in NM conduit? - Answer- No sharp bends; max 5x
cable diameter.

What must you do if you run more than 2 wires through the same fireblocked wood
framing hole? - Answer- Wires must be derated.

What is UF wire? - Answer- Underground feeder cable.

What are the rules when using UF cable on the interior of a home? - Answer- Same as
NM wiring.

When must UF cable be protected? - Answer- Cable emerging from the ground must be
protected from within 18" below grade to 8' above grade where exposed.

What does SE cable mean? - Answer- Service entrance cable. Typically meant for
service entrance cable.

When SE cable is used inside the home, what rules apply? - Answer- Same rules as
NM cable.

What is AC or "BX" cable? - Answer- Armored cable.

What are the rules for AC (BX) cable? - Answer- - Dry locations only.
- Anti-short bushings (redheads) required.

What does MC cable stand for? - Answer- Metal clad.

What are the rules for MC cable installation? - Answer- - Supports 6' or less apart and
less than 12" from box.
- Secure to boxes & cabinets w/ fittings listed for MC.

Any openings to conduit systems must remain what? - Answer- Must remain accessible.

No __________ ___________ ___________ w/ metal raceways. - Answer- Common
plastic boxes.

No splices in small or radius conduit raceways. - Answer- FYI.

, What is the max degree of turn between pull stations in raceways? - Answer- 360
degrees max.

Is an underground raceway considered a wet or dry location? - Answer- Wet location.

Is the interior of above ground raceways considered wet or dry locations? - Answer-
Wet locations.

When talking about per percentage of conduit/tubing that wiring can fill up, what is the
max allowed when 2 or more conductors is used? - Answer- Max of 40% filled.

What are the most common types of raceway conduit? - Answer- - Electrical Metal
Tubing (EMT) (thinwall)
- Flexible Metal Conduit (FMC) (greenfield/flex)
- Liquidtight Flexible Metal Conduit (LFMC) (Sealtight)
- Rigid PVC (Sched 80 only)


What is the min service amperage for a single family dwelling? - Answer- 100A
All other services, min 60A.

How many services allowed per dwelling? - Answer- One

All underground raceways must be sealed when what? - Answer- When they enter the
main panel.

What is a warning ribbon and where should it be? - Answer- It is an identifier for the
service lateral.
It must be buried 12" or more above service conductors.

What wires are allowed on the service mast? - Answer- Only conductors. No CATV or
phone lines.

No unsupported couplings above the roof. - Answer- FYI

Conduit hubs must be identified for use w/ service equipment. - Answer- FYI

What kind of pipe is required for service entrance/laterals? - Answer- Must be metal
pipe; plumbing pipe or fittings are prohibited.

How far out from the service box must the conduit be secured? - Answer- 3'

Is the meter base alone considered service equipment? - Answer- No. Not by itself.

Where should the service disconnect be? - Answer- Readily accessible. Must be inside
or outside nearest point of entrance of service conductors.

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