Wiring Rules Flashcards
Wiring systems must not have excessive _____ ____.
Voltage Drop
All wring materials must be _____.
Listed
Overhead conductors must be kept at least ____ ft away from water wells.
20
Aluminum conductors smaller than ____ may not be used.
6
_____ construction must be energy efficient.
New
Submerged electrical equipment _____ to be replaced
Needs
Smoke alarms must be installed in every _____ area
Sleeping
Submerged electrical wiring _____ need to be replaced
Might
Each ____ of a dwelling unit must have a smoke detector.
Story
A smoke detector must be installed in a living room at the end of a hallway if the ceiling in the living room is more than ____ higher than the hallway ceiling
24”
______ alarms must be installed in attached garages.
Heat
Carbon monoxide alarms must be installed outside each _____ area in a dwelling.
Sleeping
Smoke alarms must get their power from the ______ wiring.
Building
Smoke alarms must have ____ backup
Battery
_____ alarms must be interconnected with the smoke alarms.
Heat
Apartments must have an _______ and _____ fire alarm system
Automatic / Manual
Electrical equipment associated with the heating system must be on a _____ circuit.
Separate
Kitchens in public gathering places like schools and churches must have ___ 20 amp small appliance circuits
6
Dwelling units must have ____ 20 amp small appliance circuits.
3
Adjacent receptacle outlets above the kitchen countertops may not be on the ______ ______.
Same Circuit
A 20 amp bathroom receptacle outlet circuit may not supply more than ____ bathrooms?
2
Receptacles for sewer pumps and sump pumps do not require ____ protection.
AFCI
GFCI protection is not required for a single receptacle for a sump pump as long as it is on a _____ circuit
Dedicated
No point along a corridor may be more than ____ ft from a receptacle outlet for portable cleaning equipment.
25
GFCI protection for the garage door opener receptacle is not required if you use a ____ receptacle.
Single
AFCI protection is not required for a single receptacle supplying a refrigerator if its on a ______ circuit.
Dedicated
A service must be ___ inch RMC or IMC?
2
Outdoor service switches may be mounted no lower than __ ft above grade within __ ft of structure
2 / 10
The smallest service allowed for a single family dwelling is ___ amps
100
A 100 amp house panel requires ___ spaces, a panel over 100 amps but less than 200 amps requires ___ spaces and a 200 amp panel requires ___ spaces
20 / 30 / 40
Service and feeder calculations for electric heat must be sized to ____%.
125%
Outdoor overcurrent devices may not be mounted lower than ___ ft above grade.
2
Switchboards and panelboards shall not be located where?
Bathrooms, clothing closets, stairways, or crawl spaces.
A lighting standard is at least ___ ft high
12
A #____ copper bonding jumper must be used to bond the lighting standard to the equipment grounding conductor and the ___ ft ground rod or ___ ft of 1/2” rebar.
8 / 10 / 20
The grounding electrode conductor must be connected to the grounded service conductor in the enclosure for the ______ _______.
Service Disconnect
EMT may not be used in a concrete slab that is in contact with the _____.
Earth
Aluminum conduit may not be used in the earth or embedded in _______.
Concrete
The range of outdoor temps in ND is considered to be ______ degrees F.
140
Wiring must be brought up to the 2017 NEC standards where the wall covering has been removed from ____ walls.
All
Metal raceways or _____ must be used when wiring a place of assembly
MC Cable
Fire alarm cable must be placed in metal raceways when wiring a place of assembly unless the cable has a ___ hour fire rating.
2
Not more than ___ extension ring may be used on a box
One
Up to a ___ ft cord may be used for powering a fuel fired furnace in a dwelling unit
6
Surge arrestors must be provided for all services in ___ ______.
Grain Elevators
For externally illuminated exit signs the letters must be at least ____ “ high.
6”
The minimum lighting level for egress must be ___ ft-candle at floor level
1 ft
