Glossary of Workplace Injury Law Terms

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Electricity: The flow of an atom’s electrons through a conductor.

Electrode: A conductor used to establish electrical contact with a nonmetallic part of a circuit.

Emergency Planning: The act of putting together an overall plan and developing it for response to emergency situations involving workers and equipment (eg: logical sequence of events).

Emergency: An abnormal situation, which to limit damage to persons, property or the environment requires prompt action beyond normal procedures.

Employee: A person whose work activities are under the control of an individual or entity.

Employer: The person or entity whose has control over your work activities.

Energize: To direct electric current through a conductor. Power lines and wires can be intentionally energized (or de-energized) to carry current to an electrical device. But conductive surfaces which are unintentionally energized, like the metal case of a tool, the metal housing of a circuit box, or a metal object such as an aluminum ladder, present a danger of electrocution.

Equivalent: Alternative designs, materials, or methods to protect against a hazard which the employer can demonstrate will provide an equal or greater degree of safety for employees than the methods, materials or designs specified in the standard.

Ergonomics: The study of how to improve the fit between the physical demands of the workplace and the employees who perform the work. Selecting, designing and modifying equipment, tools, and the work environment are all considered.

Essential functions: Duties considered crucial to the job you want or have.

Employer: Means any person who employs one or more workers, or a person who is self employed in an occupation.

Excavation: Any man-made cut, cavity, trench, or depression in an earth surface, formed by earth removal.

Experience Rating: A process administered by the WCB usually based on a three year time period, premiums paid and compensation rates.

Experience: Statistical data recording of a company’s accidents or incidents over a specific time period usually expressed in terms of frequency and severity.

Expert witness: A person who is a specialist in a subject, often technical, who may present his or her expert opinion without having been a witness to any occurrence relating to the lawsuit.