Glossary

Electrical Terms

Alternating current (AC): Electron (charge) flow in two directions, usually alternating back and forth numerous times per second. The electrical grid provides alternating current.

Alternator: A device that generates AC electricity by passing magnetism past coils of wire.

Ammeter: A device that measures amperage (current).

Ampacity: The maximum amount of current that a wire or device can carry safely, without getting damaged.

Amperage: Also called current, the rate of charge flow in circuits, measured in amperes, or amps (A).

Ampere-hour: Commonly called amp-hour (Ah), a unit for the amount of charge that is transferred by a steady current of one amp for one hour; used to measure battery capacity.

Balance of system (BOS) ...

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