ET M11- QUIZ NO. 1

It occur when electricity provides a source of ignition for an explosive mixture in the atmosphere.

• EXPLOSION

• FIRES

• ARC FLASH

• ELECTRECUTION

Caused by electric arcs and are similar to heat burns from high-temperature sources.

• Arc Flash Burns

• Electrical Current Burns

• Thermal contact burns

In the word: BE SAFE, letter "E" stands for:

• Electricity

• Electronics

• Engineering

• Electrecution

It can be defined as a serious workplace hazard that exposes workers to any potential or actual threat due to electricity.

• electrical hazard

• workplace hazard

• electronic hazard

• employees hazard

A current travels from one foot through the legs, and out of the other foot.

• Touch Potential

• Step Potential

• Touch/Step

• Touch/Touch

A current travels from one hand through the heart and out through the other hand.

• Touch Potential

• Step Potential

• Touch/Step

• Touch/Touch

It is the key in determining who is considered a qualified worker.

• knowledge

• training

• skills

• exposed

A qualified person is “one who has received training in and has demonstrated skills and knowledge in the construction and operation of electric equipment and installations and the hazards involved.”

• OSHA 29 CFR 1910.399

• OSHA 28 CFR 1910.390

• OSHA 27 CFR 2910.390

• OSHA 26 CFR 1010.390

Commonly is referred to as the “Shall"

• OSHA

• NFPA 70E

• ANSI

• IEEE

Lockout/tagout procedures. Describes how to service or maintain equipment that might unexpectedly energize.

• OSHA 29 CFR 1910,

  SubpartP

• OSHA 29 CFR 1910,

  SubpartS

• OSHA 29 CFR 1910.333

• OSHA 29 CFR 1910.147