r.w chapter 1 quiz

The National Electrical Code gives minimum safety standards for electrical work and is not intended to be a “How-To” manual.

• True

• False

A current of 0.12 ampere is enough to give an electrician a shock that is sufficient to cause his or her breathing to stop. T OR F

• True

• False

Which of the following materials is not considered to be a conductor?

• Aluminum

• Copper

• Glass

• None of the above

Which of the following materials are considered to be insulators?

• Plastic

• Porcelain

• Rubber

• All of the above

The National Electrical Code is published by the __________.

• Underwriters Laboratories

• National Fire Protection Association

• American National Standards Institute

• National Electrical Manufacturers Association

• Occupational Safety and Health Administration

Grounding and Bonding is covered in Article ________ of the National Electrical Code®.

• 210

• 250

• 110

• 100

Worksite lock-out/tag-out procedures are established by __________.

• the company you work for

• UL

• NFPA

• OSHA

Fall protection must be used whenever workers are on a walking or work surface that is _________ ft. or higher and has unprotected sides.

• 4

• 6

• 8

• 10

Dry chemical fire extinguishers can be used on Class __________ fires.

• All of the above

• C

• A

• B

• D

Fires that occur in or near electrical equipment such as motors, switchboards, and electrical wiring are classified as Class __________ fires.

• A

• B

• C

• D