Journeyman Electrical Online

Appliance outlets installed in a residence for a specific appliance, such as washing machine, shall be installed within _________ feet of the intender location of the appliance.

Direct grade level access is defined as being located not more than ________ above grade level and being readily accessible.

Show Windows require that one 125v single phase, 15a or 20a rated receptacle outlet be installed for each_________ linear feet of show window.

A receptacle is a contact device installed at the outlet for the connection of a ______.

In a dwelling, a 40 or 50-amp branch circuit is permitted to supply _____.

I.    Only fastened in place cooking appliances

II.   Infrared heating equipment

III. Fixed lighting units with heavy-duty lamp holders

Equipment grounding conductors of different branch circuits that are installed in the same raceway must be _________.

I.   differentiated by having one with a green color and the others green with a colored stripe

II.  differentiated by having one with a green color stripe and the others with a yellow stripe

III.  color coded green, green with a yellow stripe, or base

A branch circuit conductor shall have an ampacity equal to or greater than the noncontinuous load plus ________ percent of the continuous load.

Determine the allowable ampacity of 13 – #12 THHN conductors in a raceway, when passing through an area where the ambient temperature is 40° C.

A raceway contains nine # 12 THHN conductors from a 120/240v, simple-phase panel board. The conductors supply three 120/240v, there-wire circuits made up for L1, L2 and grounded conductor (neutral). What is the allowable ampacity for each of the # 12 conductors?

What is the ampacity of four # 4/0 THWN copper current carrying conductors In a raceway installed through an ambient temperature of 45° C?150.9 amps

A 20” length of conduit that separates two cabinets contains 30 current-carrying conductors, the ambient temperature is 27°C. These conductors are to be derated_______.

What is the ampacity of a #3/0 THWN conductor installed in an ambient temperature of 104°F?

Where two different ampacities apply to adjacent portions of a circuit, the higher ampacity shall be permitted to be used beyond the point of transition, a distance equal to 10 feet or ________ percent of the circuit length figured at the higher ampacity, whichever is less.

The branch circuit conductor for a 3/4 hp. Single-phase, 115v motor would require a minimum ampacity of________ amps.

The full-load current of a three-phase, 20 hp induction motor on 208v is ________ amps.

The motor running overload protection for a single-phase, 3 hp motor would be _____ amps on 115 volts.

The branch circuit overcurrent protection is ______ % of the full-load current for a DC motor using dual element fuses.

Size the feeder conductor for a 3 hp, single- phase, 208v motor and two- whp, single-phase, 208v motors. Use 60° C insulation.

Size the feeder protection using an inverse time breaker for three – 5 hp, single-phase, 203v motors. Each motor has a 70 amp CB for branch circuit protection.

What is the minimum size heater to protect a 5 hp, three-phase, 208v motor? The motor has a marked service factor of 1.15.

What minimum size branch circuit conductor is necessary for a 10hp, three-phase, 230v induction motor using 60°C insulation?

What is the feeder conductor ampacity required for two – 2 hp, single-phase, 115v motors?

A metal device box contains cable clamps, six # 12 conductors, and one single-pole switch. Which of the following is the minimum size box permitted?

When counting the number of conductors in a box, a conductor running through the box is counted as_______ conductor(s)

How many #12 conductors are permitted in a 3” x 2” 1 1/2 “box?

what size box is required for the following?
1- #14 ungrounded conductor (black)
1- #14 grounded conductor (white)
1- #14 fixtures wires (green)

What size box is required for the twelve #10 THW conductors listed below?

4- #10 THW (black)
4- #10 THW (white)
4- #10 THW (green)

How many #12 conductors can you install in 3” x 2” x 2 1/2” device containing cable clamps and a duplex receptacle?

What is the total cross sectional area of a 2” Intermediate Metal conduit?

When bare conductors are permitted by other sections of the Code, the dimensions for bare conductors in ________ shall be permitted.

The approximate area in square inches of a #14RHH conductor without outer covering is ____ square inches.

The Rea of allowable fill of a 1 1/4″ rigid steel conduit nipple is _______ square inches.

What size PVC schedule 40 conduct is required for the following conductors?
10 – #12 THW
12 – #10 TW
6 – #8 THHN
8 – #6THWN

If six #14 TW conductors at .0139 square inches each, and eight #8 THWN conductors at .0366 inches each, were installed in an 18’ conduit between two cabinets, the minimum size PVC schedule 80 conduit, permitted by the Code, would be _________ in diameter (trade size).

The following equipment is installed in a small delicatessen: One 4.5 kw water heater, one 9 km booster heater, one 4.6 kw fryer, one 12 kw grill and three 10 km pizza ovens, each with its own thermostatic controls. What is the computed feeder demand load?

The feeder demand load for four 14 kw residential ranges is ________.

What is the ampere load demand for a 20 kw household electric range rated @ 240 volts?

What is the neutral load for twenty – 12kw ranges used in a school home economics class room?

A dwelling unit has three ovens rated 8kw, 6kw, and 3.5kw, a 6kw cooktop and a 3.5 kw counter mounted broiler. The calculated feeder demand load is_______.

The number of 20 amp branch circuits required for a dwelling unit is _________.

A dwelling with a floor area of 1400 square feet, exclusive of unoccupied cellar, unfinished attic and open porches, has a general lighting load of _________ va.

What is the minimum number of a 15amp branch circuits required for the general lighting load for a 2200 sq. ft. single family dwelling.

A 4.5 kw clothes dryer in a dwelling will add an additional ______ amps to the demand on the service neutral. 115/230 service voltage.

In a residence, using the optional method of calculation, the air-conditioning load would be calculated at ________ percent.

A motel has a connected load of 35 kva, what does this lighting load add to the service demand?

A 100-unit motel has a total of 4000 square feet of hallways. The hallways lighting load adds _____ va to the demand on the overcurrent device.

A motel has 300 receptacles in addition to those in the rooms. How much do they add to the service demand?

Fuse type protectors for communication circuits shall consist of an arrestor connected between:

Communication cables shall be permitted in the same raceway with _____.

Communication cab le type CMP can be substituted with cable _____.

When more than 2 conductors are installed in Rigid Metallic conduit the conduit should not be filled more than:

Conductor sizes are expressed in _____.

The DC resistance of 640 feet of 2/0 copper cable is _____ ohms.

The resistance of a conductor _____ with increase of length and _____ width increase of diameter.

The insulation rating is based on circuit ______.