Code (2-5)
ENT is permitted to be installed exposed in buildings that exceed (3) three floors.
true 362.10 exc 2
ENT is permitted to be used with either listed metal or nonmetallic outlet boxes that utilize knockouts.
true 362.6
The maximum size permitted for Electrical Nonmetallic Tubing is?
2in 362.20(b)
Electrical metallic tubing shall be securely fastened in place within ______ feet of each outlet box, junction box, cabinet, or fitting.
3 ft 358.30(a)
Flexible metal conduit has maximum trade size of?
4 inches 348.20(b)
Type UF Cable has a maximum size of?
4/0 340.104
Type MC cable is required to be supported at intervals that will not exceed how many feet?
6 ft 330.30(b)
How many inches of free conductor shall be left at a lighting outlet box for the connection of the fixture?
6 inches 300.14
Rigid metal conduit that is directly buried and is not subject to any kind of traffic shall have a minimum covering of ________.
6 inches table 300.5
The ampacity of conductors in Type UF Cable shall have ______ degrees Celsius insulation?
60 340.80
The minimum and maximum size for intermediate metal conduit that is recognized by the National Electrical Code is 1/2 inch & 6 inch
false 342.20(b)
The insulation that is used for Type MI Cable is a highly compressed mineral insulation.
true
Holes that are bored in a wood joist for Romex cable shall no be closer than how many inches to the nearest edge of the joist.
1-1/4 inch 300.4(a)(1)
Electrical metallic tubing shall be securely fastened in place every ______ feet
10 ft 358.30(a)
A flat cable assembly used for a branch circuit shall exceed how many amps?
15 amps 322.56(b)
Electrical Nonmetallic Tubing has a maximum trade size of?
2 in 362.20(b)
The voltage rating for medium voltage cable with a solid dielectric insulation shall be rated ____.
2001 volts 328.2
A low voltage, landscape lighting system is installed with Type UF cable with vehicle traffic shall have a minimum covering of?
24 inches table 300.5
Type FCC cables shall be covered with carpet squares that do not exceed how many inches squared?
36 324.41
AC cable used as a fixture whip for a lighting fixture is not to exceed what length from the last point of support?
6ft 320.30(d)(3)
Rigid conduit directly buried in the earth shall have a minimum covering of at least how many inches?
6in table 300.5
4/0 wire is the largest conductor that is permitted in a cellular concrete floor raceway.
False 372.10
Power and Control tray cable is permitted where exposed to the direct rays of the sun and not sunlight resistant.
False 336.12(3)
Conductors that are installed in the same raceway and have mixed insulation temperature ratings, shall all take the lowest rating
True 310.15(a)(3)
The temperature rating of Type THHN wire insulation is rated for 90 degrees centigrade.
True table 310.104
The temperature rating of Type THHW wire insulation is rated for 90 degrees centigrade.
True table 310.104
On duplex receptacles which are connected on a multi-wire branch circuit looping the neutral on the silver colored terminals is acceptable
True 200.10- b- 1
Conductors that are connected in parallel must be run in the same raceway.
false 310.10-h-1 expt 1a
When using Flat Conductor Cable the maximum ampacity is limited to 15 amp branch circuit use only.
false 324.10(B)(2)
Type NM or NMC Cable is used in dwelling units, small offices, or commercial buildings not exceeding 3 floors.
false 334.12(A)
Normally control tray cable shall contain a flame retardant metallic material.
false 336.116
PVC conduit is permitted to be used in the air-handling space above a lift-out ceiling.
false 352.10
A run of 1/2 inch EMT shall be permitted to contain more than 360 degrees of bend between boxes.
false 358.26
ENT can only be used in residential applications and not commercial, schools, condominiums, apartments, or industrial installations.
false 362.10
ENT is superior to metallic conduit in most applications.
false 362.10(8) info note
Ideally, continuous lengths of ENT should be installed from box to box and in no case should shorter lengths be coupled together.
false 362.30(b)
Normally cable trays are required to be enclosed and inaccessible.
false 392.18(E)
Knob and Tube wiring methods are permitted to be used as an approved wiring method used for open wiring on insulators.
false 394.12
Messenger support wire is permitted to be installed in hoistways to carry control cables.
false 396.12
The inside diameter of Intermediate Metal Conduit is larger than the inside diameter of Rigid Metal Conduit.
false ch 9 table 4
When service entrance cable consists of two (2) or more conductors, one (1) conductor is not permitted to be bare and must be insulated.
false 338.100
Penetrations made through several fire rated floors of a high rise building shall be ____ ___.
fire stopped 300.21
Electrical Nonmetallic Tubing is marked with the letters "LS" which stands for?
limited smoke emission 362.120
The larger neutral conductor or "super neutral" is manufactured with large neutral to specifically address what loads?
overloads
The installation of ENT requires a conduit cutter, electrician's knife or utility knife, tie wraps or tie -wire, and side cutter pliers.
true
Flat Conductor Cable has a voltage rating of not over 300 volts between conductors and 150 volts to ground
true 324.10(b)(1)
Type TC cable is permitted to contain aluminum conductors.
true 336.104
When bending intermediate conduit in the field the bend shall be made so that the internal diameter of the conduit is not reduced or damaged.
true 342.24
Threadless couplings and connectors, that are used with IMC conduit shall be properly tightened per manufactures specifications.
true 342.42(a)
Combining two dissimilar metals together such as aluminum couplings and rigid steel conduit together a good sealing effect will occur
true 344.14
Electrical Metallic Tubing that is installed above a lift out ceiling would not qualify as exposed.
true 358.10(a)
ENT manufacturers have several styles of molded stub down or stub up fittings that can be used with ENT and encased in concrete.
true 362.10(6)
The use of Rigid Nonmetallic PVC conduit fittings is not permitted when using solvent cement designed for ENT applications.
true 362.100
Soldered connections are an approved method that is primarily used in concealed knob-and-tube wiring.
true 394.56
Conductor insulations are normally identified for wet locations with the letters?
tw 310.10
Type USE is identified for what type of use and is not required to have a flame-retardant covering.
underground 338.12
Armored Cable is not permitted to be installed in what type of conditions?
wet locations damp locations corrosive conditions 320.12
The suffix "2" maker means what when it appears on listed conductor marking?
wet or dry locations 310.104
Cable trays shall always contain solid bottoms and solid covers.
392.22
In a ventilated trough cable tray containing an equipment grounding conductor the minimum size conductor allowed is
# 4 392.10(B)(1)(c)
When Electrical conductors are installed in a raceway, the code requires that they be stranded if they are what size or larger?
# 8 310.106(c)
