Residential Wiring Chapter 2 Quiz

The _________ is a scale of specified diameters and cross sections for wire sizing and is the standard wire sizing scale for the United States.

• American Wire Gauge

• Metric system

• United States measuring system

• None of the above

An accidental connection of a 'hot' conductor and a grounded piece of equipment or the grounded conductor is called a(n) ________.

• Open circuit

• Grounding conductor

• Ground fault

• Complete circuit

A low resistance path, which results in a high value of current that flows around, rather than through, a circuit is called a(n) ________ circuit.

• Open

• Short

• Grounded

• Grounding

It is the ________ who has the job of approving the electrical materials used for a residential electrical installation.

• Electrician

• Foreman

• Architect

• Authority having jurisdiction

The ________ is an organization that develops electrical equipment standards that all member groups follow when designing and producing electrical equipment.

• Underwriters Laboratories

• Canadian Standards Association

• National Electrical Manufacturers Association

• National Electrical Code®

The National Electrical Code® requires Type NM cable to be secured no more than ________ inches from single-gang nonmetallic device boxes.

• 6

• 8

• 10

• 12

When nonmetallic device boxes that are 2-gang or more are used, the installed Type NM cable must be secured no more than ________ inches from the box.

• 8

• 10

• 12

• 18

When using aluminum conductors, ________ size conductor must be used to carry the same amount of current as a copper conductor.

• A smaller

• The same

• A larger

• The same or larger

Which of the following conductors is the largest?

• 8 AWG

• 10 AWG

• 12 AWG

• 14 AWG

The ________ circuit conductor in a 120-volt residential branch circuit is used as the grounded conductor and returns current from the load back to the source.

• Black

• White

• Red

• Green