North Dakota "Closed book" Code practice
Cables, Raceways, or Boxes installed in exposed or concealed locations under metal-corrugated sheet roof decking, shall be installed and supported so there is not less _______________ " measured from the lowest surface or the roof decking to the top of the cable, raceway, or box.
1-1/2" (NEC 300.4)
EMT conduit shall be securely fastened in place at intervals not to exceed _______________ft.
10ft (NEC 358.30)
Without GFCI protection, a luminaire above a hot tub shall not be less than _______________ ft mounting height.
12ft (NEC 680.43)
In critical care areas, each patient bed location must be provided with a minimum of ___________ receptacles.
14 (NEC 517.19)
Explosion seals must be installed with ___________________ inches of the enclosure in a Class 1 location.
18" (NEC 501.15)
In a RV park, what percentage of all recreational vehicle sites with electrical supply have to be equipped with a 50 amp receptacle?
20% existing and 40% of new (NEC 551.71)
In dwelling units on kitchen countertops and work surfaces, a receptacle outlet shall be installed so that no point along the wall line is more than _____________ inches from an outlet.
24" (NEC 210.52)
The cross-sectional area of the conductors or optical fiber tubes permitted in a seal shall not exceed __________________ % of the cross-sectional area of the RMC seal unless the seal is specifically identified for a higher percentage of fill.
25% (NEC 501.15)
In a critical care area hospital room, a minimum of __________________ receptacles shall be installed divided between atleast two branch circuits.
36 (NEC 517.19)
EMT shall be securely fastened within _____________ ft of each outlet box, junction box, device box, cabinet, conduit body, or other tubing termination.
3ft (NEC 360.30)
Non-metallic sheathed cable must be supported in intervals not exceeding _______________ ft.
4-1/2ft (NEC 334.30)
An insulation bushing on a conduit must be installed where entering a box or enclosure for wire size ______________AWG and larger.
4AWG (NEC 300.4)
RMC needs to have at least ________________ threads fully engaged into explosionproof equipment.
5 threads (NEC 500.8)
A standard ceiling outlet box shall be required to support a luminaire that weighs no more than _____________ pounds.
50 pounds (NEC 314.27)
At least ______________ inches of free conductor, measured from the point in the box where it emerges from its raceway or cable sheath, shall be left at each outlet box.
6 inches (NEC 300.14)
Receptacles for dwelling units shall be installed so that no point along the wall space shall be more than _______________ft from an outlet.
6ft (NEC 210.52)
With GFCI protection, luminaires above hot tubs must not be installed below _________________ft.
7.5ft (NEC 680.43)
In a RV park, what percentage of all recreational vehicle sites with electrical supply have to be equipped with a 30 amp receptacle?
70% (NEC 551.71)
In a motor fuel dispensing facility, an Emergency disconnect shall simultaneously disconnect ______________________ from the source power.
All conductors of all circuits, including low voltage, data, and the grounded conductor. (NEC 514.11)
A water tank in an agricultural building must be bonded to the __________________.
Equipotential plane (NEC 547.10)
In wet locations, 15 and 20 amp receptacles must be installed with a box hood identified as ____________________________.
Extra Duty, (NEC 406.9)
For a High-Leg delta 4 wire system, where the midpoint of one phase winding is grounded, it shall be durably and permanently marked by an outer finish that is _________________ in color.
Orange (NEC 110.14)
All ENT cut ends shall be ______________ inside and outside to remove rough edges.
Trimmed (NEC 362.28)
Every RV site with electrical supply shall have at least _____________________ 20 amp 125v receptacle.
one (NEC 551.71)
Transformer vaults must have a minimum fire resistance of _______________- hours.
three hours (NEC 450.42)
