Electricity Vocabulary Ch2-Ch6

A two-to-three wire device which makes it possible to use a grounding wire in a two socket outlet.

An automatic device for stopping the flow of current in an electric circuit as a safety measure.

A sudden discharge of electricity through a part of the body.

A safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level.

In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth.Electrical circuits may be connected to ground (earth) for several reasons.

A residual-current device is most commonly known as a Ground Fault Circuit Interrupter (GFCI),Ground Fault Interrupter (GFI) or an Appliance Leakage Current Interrupter (ALCI).

An electrical circuit that is not complete.

1. occupational Safety and Health Administration (OSHA) is a federal organization (part of the Department of Labor) that ensures safe and healthy working conditions for Americans by enforcing standards and providing workplace safety training.

In a device, an electrical circuit of lower resistance than that of a normal circuit, typically resulting from the unintended contact of components and consequent accidental diversion of the current.

1. an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.

1. a unit of electric current equal to a flow of one coulomb per second.

A material through which electric current can pass. In general, metals are good conductors. Copper or aluminum is normally used to conduct electricity in commercial and household systems.

An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in a plasma.

The unit of frequency; one hertz has a periodic interval of one second

An electric current flowing in one direction only.