ND Wiring Rules

Wiring systems must not have excessive — P38

voltage drop

All wiring materials must be — P38

listed

Overhead conductors must be kept at least — feet away from water wells. P39

20

Aluminum conductors smaller than # — may not be used. P39

6

— construction must be energy efficient. P39

new

Submerged electrical equipment must be — P39

replaced

Electrical wiring — have to be replaced if submerged. P40

might

Smoke alarms must be installed in each — room. P41

sleeping

Smoke alarms must be installed outside each — area. P41

sleeping

Each — of a dwelling unit must have a smoke detector. P41

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 — inches higher than the hallway ceiling. P41

24

— alarms must be installed in attached garages. P41

Heat

Carbon monoxide alarms must be installed outside each — area in a dwelling. P42

sleeping

Smoke alarms must get their power from the — wiring.P40

building

Smoke alarms must have — backup. P40

battery

— alarms must be interconnected with the smoke alarms. P41

heat

Apartment houses must have an automatic and — fire alarm system. P42

manual

Electrical equipment associated with the heating system must be on a — circuit. P43

separate

Kitchens in public gathering places like schools and churches must have — 20 amp small appliance circuits. P43

6

Dwelling units must have — 20 amp small appliance circuits. P43

3

Adjacent receptacle outlets above the kitchen countertops may not be on the — . P43

same circuit

A 20 amp bathroom receptacle outlet circuit may not supply more than — bathrooms. P44

2

Receptacles for sewer pumps and sump pumps do not require — protection. P44

AFCI

GFCI protection is not required for a single receptacle for a sump pump as long as it is on a — circuit. P44

dedicated

No point along a corridor may be more than — feet from a receptacle outlet for portable cleaning equipment. P44

25

GFCI protection for the garage door opener receptacle is not required if you use a — receptacle. P44

single

AFCI protection is not required for a single receptacle supplying a refrigerator if it’s on a — circuit. P44

dedicated

A service mast must be — inch RMC or IMC. P44

2

Outdoor service switches may be mounted no lower than — feet above grade and within — feet of structure. P45

2, 10

The smallest service allowed for a single family dwelling is — amps. P45

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. P45

20, 30, 40

Service and feeder calculations for electric heat must be sized to — %. P45

125

Outdoor overcurrent devices may not be mounted lower than — feet above grade. P46

2

Switchboards and panelboards shall not be located in — P46

bathrooms, clothe closets, stairways or crawl spaces

A lighting standard is at least — feet high. P46

12

A # — copper bonding jumper must be used to bond the lighting standard to the equipment grounding conductor and the — foot ground rod or — feet of ½ inch rebar. P47

8, 10, 20

The grounding electrode conductor must be connected to the grounded service conductor in the enclosure for the — P47

service disconnect

EMT may not be used in a concrete slab that is in contact with the — P48

earth

Aluminum conduit may not be used in the earth or embedded in — P48

concrete

The range of outdoor temperatures in North Dakota is considered to be — degrees F. P48

140

Wiring must be brought up to the 2020 NEC standards where the wall covering has been removed from — walls. P49

all

Metal raceways or — must be used when wiring a place of assembly P49

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. P49

2

Not more than — extension ring may be used on a box. P50

1

Up to a — foot cord may be used for powering a fuel fired furnace in a dwelling unit. P51

6

Surge arrestors must be provided for all services in — P52

grain elevators

For externally illuminated exit signs the letters must be at least — inches high. P57

6

The minimum lighting level for egress must be — foot-candle at floor level. P57

1

— for a dwelling unit service is not required p46

surge protection