NEC Exam Prep Dewalt

Unless listed and identified otherwise, terminations and conductors of circuits rated 100 amperes or larger shall be rated at __________

110.14(C)(1)(b)(1) "Larger than 100 amperes" make it 75 degrees Celsius

Receptacle outlets installed in or on floors of dwelling units shall not be counted as part of the required number of receptacle outlets, if they are MORE than _______ inches from the wall.

210.52(A)(3) Receptacle outlets in or on floors shall not be counted as part of the required number of receptacle outlets unless located within (18 inches) of the wall.

All 125-volt, single-phase, 15-and 20-ampere rated receptacles installed in residential garages shall be __________.

210.8(A)(2), List GFCI loc: Bathrooms Garages, Outdoors, Kitchens, Sinks, Boathouses, and Laundry Areas .210.12(A) Arc-Fault Int. Pro Locations:list kitchen, family rooms, dining rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms closets, hallways, laundry rooms but NO GARAGES

Whcih of the following fuses if any, shall be used for replacement only in existing installation and is not permitted for use in new installations.

240.51(B) & 240.60(D) Edison-base fuse & Class H renewable cartridge fuse

The MINIMUM internal depth of a box that is intended to enclose a flush mounted device supplied by 14AWG conductors shall be _____ inches.

314.24(B)(5) Conductors 14AWG and Smaller. Boxes that enclose devices or utilization equipment supplied by AWG or smaller conductors shall have a depth that is not less than 15/16in.

Electrical outlet boxes installed in walls and ceiling are required to be ________.

314.29 Boxes, Conduit Bodies, and Handhole Enclosures to Be ACCESSIBLE.

Unless listed for the control of other loads, general use dimmer switches shall only be used to control ____________?

404.14(E) Dimmer Switches General-use dimmer switches shall be used only to control permanently installed incandescent luminaires unless listed for the control of other loads and installed accordingly.

In general, all switches and circuit breakers used a switches shall be located so that they may be operated from a readily accessible place. They shall be installed so that the center of the grip of the operating handle of teh switch or circuit breaker, when at its highest position, is NOT more than _______ above the floor or platform.

404.89(A) 6 feet, 7 inches

When a 225-ampere rated panel board contains only only twenty (20) snap switches (circuit breakers) rated at 30 amperes each, the panelboardf shall have overcurrent protection NOT in excess of ________ amperes.

408.36 (A) Snap Switches Rated at 30 Amperes or Less. Panelboards equipped with shap switches rated at 30 amperes or less shal have overcurrent protection of 200 amperes or less.

Where a 40-gallon storage-type electric water heater has a nameplate rating of 4500 watts @ 240 volts, what is the MAXIMUM standard size circuit breaker the NEC permits to protect the water heater?

422.11(E)(3) Not exceed 150 percent of the appliance rated current if the overcurrent protection rating is not marked and the appliance is rated over 13.3 amperes. Where 150 percent of the appliance rating does not correspond to a standard overcurrent device ampere rating, the next higher standard rating shall be permitted.

Electrical wiring installed __________ is considered to be installed in a damp location.

Article 100 Under canopies or roofed open porches

A neutral conductor is a conductor that ______.

Article 100, 200.6(A) & (B) Is intended to carry current under normal conditions.

A motor with nine leads coming out of it is a ________ motor.

Dual-voltage

When checking for continuity between a circuit breaker and the neutral bar of a panelboard when using a continuity tester positive continuity is indicated. The reason might be________________.

Either a conductor is grounded or a luminaire or an appliance may be turned on.

Given: An electrical metallic tubing (EMT) 50 feet in length to be installed will contain a total of nine (9) conductore, Six (6) of these wires are considered to be current-carrying. What is the derating factor, in percent that must be applied to the ampacity?

Table 310.15(B)(3)(a)

The MINIMUM number of 120-volts, 15-ampere, general lighting branch circuits required for a dwelling that has 70' by 30 feet of habitable space is ______.

Tbl 220.12 70'x30'= 2,100'x 3VA =6300VA (house load) 120 V x 15 amps 1,800=VA (one circuit) 6,300VA/ 1,800VA = 3.5 or 4 circuits

If the voltage-drop of a branch-circuit is too great, what may be the result?

Unsatisfactory illumination of lightingh fixtures and overheating of a motor or unsatisfactory motor speed..

Where nonmetallic sheathe cable (NM) is run at angles with joists in unfinished basements, the smallest three conductor cable permitted to be installed directly to the lower edges of the joists is size ______AWG.

Where cable is run at angles with joists in unfinished basements and crawl spaces, it shall be permissible to secure not smaller than two 6AWG or three 8AWG conductors directly to the lower edges of the joists.