Toledo journeyman test
In determining the numbers of wires in a box for box fill a conductor passing through the box without a splice or tap with a conductor loop less then 12 in is counted as?
1
Cables run parallel to or through holes bored in framing members must be at least _____ inches from the edge of the framing member.
1 1/4
When noncombustible surface material is used on walls or ceilings, outlet boxes must be mounted so that they will be set back not more than _______ from the face of the surface material.
1/4 in
A 3x2x2 device box with internal cable clamps is used in a circuit wired with 14-2 romex with ground. One convenience outlet will be attached to the box. Additional outlets will be required beyond this installation. For the purpose of determining if the box is large enough. How many conductors would be considered as being within the box?
10
According to Ohms law, if, by measurement, voltage is 100 and amperage is 10 then resistance is?
10
Ground rods must be at least ______ ft. in length.
10
What would the proper size equipment grounding conductor for a swimming pool motor connected to a 30 amp overcurrent device?
10 AWG copper conductor
According to ohm's law if the resistance is 5 Ω in Ambridge is 20 amps what is the voltage
100
A 15 amp branch circuit wired with NO. 14 wire may not be used for a portable appliance rated at more than_____ amps?
12
A portable appliance exceeding _______ amps may not be used on an ordinary 15-amp circuit commonly used in wiring.
12
Residential direct bario residential branch circuits rated 120 votes or less with GFCI protection and a maximum over current protection of 20 amps shall have a minimum cover requirement of______ inches
12
The minimum size grounding conductor permitted for the deck boxes on swimming pools is?
12
In general branch circuit conductors supplying a single motor should have a capacity not less than______ % Of the motor full loaded circuit rating
125%
According to code how many No. 14 THHN type conductors can be used in a run of 1/2 in. Rigid metal conduit?
13
listed spa and hot tub packaged units shall be permitted to be cord and plug connected to facilitate the removal or disconnection of the unit for maintenance and repair, provided the maximum length of the cord does not exceed_________ ft and protected by a GFCI
15 ft
What is the maximum voltage allowed by code for underwater lighting in a swimming pool?
150
The distance between supports on rigid metal conduit may be increased to _____ft. For exposed vertical risers from industrial machinery or fixed equipment.
20
What is the maximum size fuse that can be installed for #18 fixture, wire, and be considered protected?
20
Service drops passing over a swimming pool shall have a minimum clearance of_____ft in any direction to the water level, edge or water surface or base of diving platform.
22.5
Direct burial service conductors, 1000 volts and less shall have a minimum cover of ______ inches of dirt.
24
The minimum size for an equipment grounding conductor of a branch circuit shall be based on table______ and based on the ______?
250.22 / overcurrent device rating protecting the circuit
The code defines a "continuous " load as one in which the load is likely to continue for ______ hours or more.
3
The lighting load for a store listed as ____ VA per sq ft
3
To transmit three phase power you must have at least how many wires?
3
What is the maximum of #18 RFH-2 conductors that can be installed in 3/8 flex with external clamps?
3
the lighting unit load for a store is listed as _______ VA per sq. ft
3
The code recommends that wire sizes be chosen so that voltage drop will not exceed _______% in any branch circuit measured at the most distant outlet and not over ________% for feeders and branch circuits combined.
3% - 5%
What is the size of the copper grounding conductor when the largest service entrance conductor is 1750 mcm copper?
3/0
The maximum amonrating of a Type S fuse is ______.
30
The code specifies for installations consisting of not more than two 2 wire branch circuits, the feeder or branch circuit disconnect means shall have a rating of not less than?
30 amps
Four No. 10 THHN, copper, current carrying conductors are installed in the same EMT in an ambient temp. of 30degrees C. The allowable ampacity of each conductor is ______amps.
32
The capacity of a No. 10 TW not more than 3 when installed in a conduit or in a cable is ______amps.
35
Minimum clear working space between a 120/208 volt panel board and a concrete block wall is ______in?
36
A home having 1200 sq. Ft. Of usable floor area shall have a minimum general lighting load of how many watts?
3600 (3volts/sqft dwelling units)
Service drop conductors show maintain how much clearance from the sides in bottoms of windows?
3ft
In a building where water pipe is available, the minimum size of the GEC for an ungrounded system with No. 3/0 Cu service conductors shall be No._____.
4 Cu
A double pole switch has how many terminals?
5
How many floors of a five floor apartment building can be wired in romex?
5
Switches must be at least _______ ft. from the inside wall of a spa or hot tub.
5
According to the NEC a luminare that weighs more than _____ lbs shall be supported independently of the outlet box, unless the outlet box is listed and marked for a maximum weight to be supported.
50
A grounding conductors is required for all runs of flexibal metal conduit over _____ft. in length
6
Receptacles other than those that provide power for pool water pump motors shall be not less than _____ft from inside walls of a pool
6
The code requires at least one 20 amp circuit in the laundry, located within ______ft from the intended location of the washer.
6
The free length of conductors at each outlet and switch point for connecting to devices is _____in?
6
The NEC fill calculations for a conduit nipple not over 24in. Allows to be filled to _______% of their total cross sectional area.
60
A switch is considered readily accessible if it is not more than _______ ft. above the floor.
6ft. 7in
A feeder or service beitral load can be figured at _______% of the load on the ungrounded conductors for ranges and ovens
70
Dwelling unit balconies, decks and porches accessible form the inside of the dwelling unit shall have at least one receptacle installed in the perimeter of the balcony. The receptacle shall not be located more than _______ in. Above the balcony deck or por h surface
78
All metal parts required to be bonded by this section shall be banded together using a solid copper bounding jumper, insulated covered or bear, not smaller than____?
8 AWG
In the case of a continuous load _______% of the nominal capacity of the circuit may be used?
80%
The article that covers TV wiring installations resides in Article ____?
820
In all cases, the work space shall permit at least a ______ degree opening of equipment doors.
90
According to code, a wire located in a partially protected area such as under a roof open porch would be located in?
A damp location
The NEC requires that all 125 volt, 15 and 20 amp receptacles in an unfinished basement of dwellings have GFCI protection except for ______.
A receptacle specifically installed for an alarm system
Connectors marked _____ are suitable for use with aluminum, copper, copper clad conductors. Connectors not so marked are for use with copper conductors only.
AL/CU
Smoke alarms _____ required to be connected to an AFCI protected circuit.
Are
Overhead conductors _______ permitted to be supported by trees.
Are not
As defined in Article 100, a bathroom is required to have a ______?
Basin
A main service disconnect shall not be installed in ______.
Bathroom
In other than dwelling units GFVI receptacles are required in_______locations?
Bathrooms and kitchens
GFCI protection shall be provided for outlets not exceeding 240 bolts that supply______ installed in dwelling unit locations.
Boat hoists
The portion of the wiring system between the final overcurrent device protecting the circuit and the outlets is called the ______?
Branch circuit
Type NM cable can be run in all of the following locations, EXCEPT for ______.
Concealed in damp and moist locations, exterior masonry block or tile walls
Metallic conduit buried underground must be protected against ______?
Corrosion
Electric motors are designed to operate at their greatest efficiency when _____?
Delivering their rated horsepower
Guest rooms and guest suites that are provided with permanent provisions for cooking show have branch circuits in outlets install to meet the rules for______ units.
Dwelling
Voltage is best described as?
Electrical pressure
Three wire circuits are more efficient and cost effective than two wire circuits, because the permit ______.
Fewer conductors, smaller raceways, reduced voltage drop
A______ breaker is not considered part of six switch mains
GFCI
A 125 volt, 15 and 20 amp receptacle mounted outdoors in a damp or wet location is required to be ______?
GFCI protected, listed as weather resistant
When using individual conductors in a raceway, all of the following colors of insulation are permitted for the grounded conductor ( neutral) , EXCEPT for _______?
Green with 3 white stripes
The code requires which of the following when replacing receptacles in existing installations?
Grounding type receptacles only if they can be properly grounded
When direcr-burial Type UF or USE cables are installed beneath sidewalls or other paved areas in residential occupancies, they are required to be ______.
Installed in raceways
The resistance of a conductor is directly proportional to its?
Length
All 15 and 20 amp receptacles installed in wet or damp locations are required to meet what standard?
Listed as weather resistant
AFCI protection is required for all outlets in ______.
Living rooms, kitchens
In places of assembly, such as theaters, a switch for controlling emergency lighting systems shall be located in the ______ or at a place conveniently accessible thereto.
Lobby
On all types and ratings of receptacles, the grounding blade is _______ than the others to insure that it makes it connection before the grounded conductors do and breaks its connection after they do.
Longer
The code letter contained on the face plate of an AC motor is used to determine?
Maximum amperage required by the motor while starting
______ covers selection of time delay fuses for motor overload protection.
NEC 430.32 (A)(1), Table 430.52, NEC 240.4(B)(C)
Which of the following locations are listed as tamoer-resistant receptacles NOT required?
Restaurant dining rooms
A 120v CB used to switch fluorescent fixtures shall be marked ______ or HID.
SWD
The NEC is a minimum ______ standard.
Safety
The alternate source for legally required stand-by systems _______ be requires to have ground-fault protection of equipment
Shall not
The primary of a transformer is the____
Side connected to the source
The best electrical conductor is?
Silver
Where a multiwire branch circuit supplies more than one device or equipment on the same yoke, a means shall be provided to ______ at the point where the branch circuit originates.
Simultaneously disconnect all the ungrounded conductors supplying those devices
The NEC requires thay conductors 8AWG and larger must be _______ when installed in a raceway.
Stranded
Table______ shall be used for selecting enclosures for use in specific locations other than hazardous locations.
T 110.28
In accessible attics, exposed AC cables must be protected by guard straps when ______?
They run across the top of joists, run across the face of rafters, or installed within 7 feet of the floor or floor joists
In unfinished basements, Type NM cable with conductors smaller than two 6 AWG or three 8AWG installed perpendicular to joists is required to be run _____.
Through holes bored in joists or on running boards
Which of the following combinations of switches is used to control a light from 3 locations
To 3 way switches and 4 way switch
A 125 volt, 15 and 20 ampere receptacle installed to serve a kitchen countertop is required ______.
To be supplied by at least two 20 ampere small aooliance circuits, to have GFCI protection for personnel
Countertop receptacles must be served by at least ______ amp small appliance circuits
Two 20
Which type of cable is permitted for direct burial use?
Type UF and USE
According to code, type______ cable and _______ cable may be used for direct burial.
USE & UF
According to the code a wire located in a concrete slab in direct contact with the earth is located in?
Wet location
a conductor intended solely for grounding purposes shall be a bare conductor or be color coded
green with one or more yellow stripes
Transformers are rated in
kva
according to the NEC , no more than______ over current devices may be used in any one lighting and appliance panel board
no maximum
