ICC Electrical Systems and Safety 3

Question 1

What is the minimum wire gauge required for a 20-ampere branch circuit in a residential installation?

Accepted Answer

12 AWG

Answer

14 AWG

Answer

10 AWG

Answer

8 AWG

Question 2

In Illinois, electrical inspections for new residential construction are performed by:

Accepted Answer

The local authority having jurisdiction (AHJ)

Answer

The homeowner

Answer

A licensed ICC contractor only

Answer

The utility company

Question 3

What is the maximum length of a flexible cord used as a substitute for permanent wiring under Illinois electrical code?

Accepted Answer

Flexible cords may never substitute for permanent wiring

Answer

There is no limit

Answer

6 feet

Answer

10 feet

Question 4

Which of the following is a lockout/tagout (LOTO) requirement when performing electrical maintenance in Illinois?

Accepted Answer

Isolate and de-energize all energy sources before beginning work

Answer

Work quickly to minimize downtime

Answer

Wear rubber gloves as the only precaution

Answer

Notify the utility company by phone

Question 5

What is the required height for service entrance conductors over a public sidewalk in Illinois?

Accepted Answer

10 feet

Answer

8 feet

Answer

12 feet

Answer

15 feet

Question 6

Which piece of personal protective equipment (PPE) is essential when working on or near energized electrical panels?

Accepted Answer

Arc flash-rated face shield and flame-resistant clothing

Answer

Hard hat only

Answer

Standard safety glasses only

Answer

Latex gloves and a dust mask