Chapter 1 Electrical Careers and Safety

Vocabulary flashcards covering electrical workplace safety, lockout procedures, arc flash hazards, and OSHA Focus Four guidelines from Chapter 1 Electrical Careers.

OSHA's Construction Focus Four

A program addressing the four most common types of injuries in the construction environment: falls, electrocution, struck by, and caught-in or caught between.

Severity of an electrical shock

The intensity of physiological harm from an electric shock, which is directly related to the amount of current.

Arc flash

A hazardous electrical discharge producing intense heat that is capable of melting metal.

Electrical burns

Thermal or tissue injuries caused by electric current that can be severe and life threatening.

Transmission and distribution

The electrical industry division employing one-fourth of workers responsible for constructing and maintaining systems carrying power from generating plants to consumers.

Plastic-handled tools

Hand tools whose plastic grips are not all considered to be insulated against electrical shock.

Lockout device

A safety mechanism that may be removed only by the specific individual working on the circuit.

Last step in the lockout procedure

Testing the equipment and circuit to be sure that energy is disconnected.

Ladders and scaffolds

Elevated work structures from which falls constitute a large percentage of workplace injuries.