Code Standards Lesson 7

Electrical receptacles come in which two basic varieties?

a.15 and 20 A

b.125 and 250 V

c.Straight blade and locking

d.White and almond

e.None of the above

Locking receptacles are used in applications where ? is/are a primary concern.

a.child safety

b.ensured, consistent contact

c.environmental conditions

d.high voltage

? has standardized the configuration of receptacle contacts based upon the number of poles and wires, as well as the amperage and voltage rating of the product.

a.International Association of Electrical Inspectors (IAEI)

b.National Electrical Code (NEC)

c.National Electrical Manufacturers Association (NEMA)

d.Underwriters Laboratories (UL)

e.None of the above

Which of the following is not a basic component of a switch or receptacle?

a.Actuator

b.Contact

c.Lock spring

d.Mounting strap

e.Terminal

The terminals on a switch or receptacle are used for two primary purposes: a point of

contact or interface with the building wire and bundling stranded wire.

Select one:

True

False

When the stranded wire begins to spread apart in the installation process, this is referred to as ? .

a.fill

b.mash

c.splay

d.spread

e.none of the above

The five primary methods of terminating a wiring device are: back wire, ? , speed wire,

pre-terminated leads (leaded), and modular.

a.loop wire

b.side saddle

c.side wire

d.spin set

e.none of the above

Back-wire devices incorporate a ? that is threaded onto the terminal screw, either

internal or external to the device.

a.clamping plate

b.conductor lock

c.terminal housing

d.wire cleat

e.none of the above

Proper installation of a conductor on a side-wired device requires that the stripped lead

be looped in the ? direction.

a.clockwise

b.counter-clockwise

c.left

d.right

e.none of the above

Speed wire devices will only accept a 14 AWG solid copper conductor.

Select one:

True

False

Speed wire terminations are primarily used on ? grade of wiring devices.

a.commercial

b.hospital

c.residential

d.spec

e.all of the above

A device’s mounting strap’s primary functions are ? .

a.grounding and marking

b.grounding, marking, and stabilizing

c.grounding, marking, mounting, stabilizing

d.mounting and stabilizing

Which of the following components serves as a wiring device’s primary ground-fault

return path?

a.Actuator

b.Face (cover)

c.Mounting strap

d.Terminal screw

e.None of the above

Which of following markings might appear on the mounting strap of a standard wiring

device?

a.3rd Party Test Compliance

b.Manufacturer's ID

c.Point of Manufacture

d.Wire Rating

e.All of the above

Receptacle current contacts are typically offered in what two primary designs?

a.Conductive and non-conductive

b.Double-wipe and triple-wipe

c.Single-wipe and double-wipe

d.Single-wipe and triple-wipe

e.None of the above

Receptacle contacts are offered in four primary designs to accommodate different

configurations based on the amperage and voltage of a device.

Select one:

True

False

The actuator on a switch comes in ? different basic styles.

a.3

b.5

c.7

d.8

e.10

Which of the following is a primary function of a receptacle face?

a.Inhibit mis-mating of differently rated devices

b.Matching a room's color palette

c.Promote the manufacturer's brand name

d.All of the above

In accordance with the NEC, which of the following is true?

a. Receptacles must be listed.

b. Receptacles must be marked with the manufacturer’s name or identification.

c. Receptacles must be marked with their voltage and ampere rating.

d. All of the above

NEC Reference

Which of the following is a certification mark that could appear on a wiring device?

a.CSA

b.NCAA

c.UAW

d.None of the above

A unit of an electrical system, other than a conductor, that carries or controls electrical

energy as its principal function is best defined as ? .

a.a device

b.an electric sign

c.electrical equipment

d.energized