OVERVIEW

The purpose of this unit is to give trainees a general understanding of electricity and the safety implication of working around it.  At the conclusion of this unit, trainees will have an understanding of basic electrical principles, how electricity becomes a hazard and its effects on the human body, and the emergency procedures to follow during an electrical incident.

OBJECTIVES

Basic Electrical Principles

·         Describe a circuit.

·         Describe grounding.

·         Explain current, voltage and resistance.

·         Explain Ohm’s Law.

Electricity As A Hazard

·         Explain how the body becomes part of a circuit.

·         Describe factors that affect the severity of a shock.

·         Describe the effects of electrical energy on the body.

·         Describe electric arcs, arc flashes, and blasts.

Emergency Response

·         Describe emergency procedures for typical electrical incidents.

SUBJECTS

Basic Electrical Principles

·         Circuits

·         Grounding

·         Current

·         Voltage

·         Resistance

·         Ohm’s Law

Electricity As A Hazard

·         How shock occurs

·         Severity of a shock

·         Electric shock-related injuries

·         Electric arcs, arc flashes and blasts

Emergency Response

·         Electric shocks

·         Burns

·         Electrical fires

·         Downed power lines

·         Energized vehicles or mobile equipment