26-111 EEST

A residence with 1,000 square feet of living space has a general lighting load of a. 4,000 V A b. 3,000VA C. 1,000 V A d. 2,000V A

b. 3,000VA

Applying the correct demand factors, the net general lighting load for the residence in the figure above is a. 3,600VA b. 3.210VA c. 3,000 VA d. 2.700VA

b. 3.210VA

The NEC® article that covers the installation of pools and spas is? a. NEC Article 725 b. NEC Article 250 c. NEC Article 340 d. NEC Article 680

d. NEC Article 680

A type of cable with a corrugated sheath that has a maximum bend radius of 7 times the cable diameter is a. Type NM b. Type SE c. Type AC d. Type MC

d. Type MC

19. A GFCI sensor will trip when the _ d. current in the neutral load is less than the current in the hot load b. device gets wet c. current is less than the value established for a Class A device d. current in the neutral load is greater than the current in the hot load

d. current in the neutral load is greater than the current in the hot load

The NEC® allows the load calculation for the grounded neutral conductor supplying electric ranges and dryers to have a demand factor of a. 85% b. 50% c. 100% d. 70%

d. 70%

The NEC® general lighting load for the home in the figure above is a. 2.800VA b. 5,400VA c. 2.000VA d. 3.600VA

d. 3.600VA

The minimum clearance of service drop conductors over a residential driveway is reduced to 12' (3.7 m) when the voltage is limited to a. 300V to ground b. 360V to ground c. 270V to ground d. 120V to ground

a. 300V to ground

Cables routed through bored holes in framing members must maintain a distance from the nearest edge of not less than a. 1/2" (13 mm) b. 1/4' (6 mm) c. 2" (50 mm) d. 1-1/4" (32 mm)

d. 1-1/4" (32 mm)

A current imbalance as low as 4 milliamps may be detected by a(n) a. GFCI sensor b. fiber-optic sensor c. mechanical sensor d. AFCI sensor

a. GFCI sensor

The NEC® article that provides the rules for demand factors is a. NEC Article 220 b. NEC Article 230 c. NEC Article 210 d. NEC Article 110

a. NEC Article 220

A grounding electrode conductor must be a. made of copper, aluminum, or copper-clad aluminum b. green or green with yellow stripes c protected by a Class A GFCI circuit breaker a. made of one-quarter inch steel plate

a. made of copper, aluminum, or copper-clad aluminum

In a panelboard, the black circuit conductor in a lighting circuit is connected to a(n) a. overcurrent protection device b. bonding jumper c. neutral bus d. grounding bus

a. overcurrent protection device

(image) 7. The square footage of living space in the home in the figure above is a. 900 ft2 b. 1,200 ft2 c. 1,100 ft2 d. 1.000 ft2

b. 1,200 ft2

The NEC® article that lists the requirements for installing a service disconnect is a. NEC Article 210 b. NEC Article 230 c. NEC Article 220 d. NEC Article 110

b. NEC Article 230

The NEC® article that covers equipment grounding and equipment grounding conductors is a. NEC Article 725 b. NEC Article 250 c. NEC Article 340 d. NEC Article 680

b. NEC Article 250

Romex® is another name for a. Type MC cable b. Type NM cable c. Type SE cable d. Type AC cable

b. Type NM cable

The conductors that extend from the panelboard to various outlets are called a. service-entrance conductors b. branch circuits c. mains d. grounding electrode conductors

b. branch circuits

The green screw on a receptacle connects to the a. grounded conductor b. equipment grounding conductor c. ungrounded conductor d. neutral conductor

b. equipment grounding conductor

An example of a location in a dwelling where a receptacle must have GFCI protection is a a. crawl space above grade level b. garage c. finished basement d. when the receptacle is dedicated to a burglar alarm

b. garage

Power to the entire residence is shut off at the main service disconnect located a. at the service drop b. at the main branch circuit c at the panelboard d. in the basement or unfinished crawlspace

c at the panelboard

Listed FMC may be used as an equipment grounding conductor if the circuit conductors are protected by overcurrent devices rated at a. 30A or less b. 40A or less c. 20A or less d. 50A or less

c. 20A or less

Low-voltage system wiring is covered in a. NEC Article 250 b. NEC Article 340 c. NEC Article 725 d. NEC Article 680

c. NEC Article 725

Which of the following must never be used as a grounding electrode? a. a metal underground water pipe in direct contact with the earth for 10' (3 m) b. a metal in-ground support structure c. a metal underground gas piping system d. a ground ring

c. a metal underground gas piping system

A feeder is used to feed a. a branch circuit from a circuit breaker b. the service drop to the main panelboard c. a subpanel from the main service panel d. the main panel and duplex receptacles

c. a subpanel from the main service panel

In residential construction, conduit is most likely to be used where conductors are a. installed in finished basements b. run in walls c. embedded in concrete d. run behind kitchen countertops

c. embedded in concrete

One of the advantages of electric heat is that. a. system maintenance is only required once a year b. unly one thermostat is needed for the whole system c. initial installation costs are less than other types of heating systems d. it is less expensive than other types of fuels

c. initial installation costs are less than other types of heating systems

The main bonding jumper is located at the a. last outlet in the branch circuit b. ground rod or other grounding system c. service disconnect d. meter enclosure

c. service disconnect

A switch used to control one or more lamps from two different locations is called a(n) a. dimmer switch b. four-way switch c. three-way switch d. three-way relay

c. three-way switch

According to the NEC®, the small appliance loads in each kitchen area of a dwelling must be served by at least a. one 4,050VA small appliance branch circuit b. two 240V, 10A small appliance branch circuits c. two 120V, 20A small appliance branch circuits d. one 1,500VA, 20A small appliance branch circuit

c. two 120V, 20A small appliance branch circuits