Glossaire électrique

The reduction in voltage in an electrical circuit between the source and load.

English: Voltage Drop

The maximum current a conductor can carry continuously under specified conditions.

English: Ampacity

American Wire Gauge - a standardized wire gauge system used in North America.

English: AWG

National Electrical Code - the standard for safe electrical design and installation in the US.

English: NEC

The ratio of real power to apparent power in an AC circuit.

English: Power Factor

The total opposition to current flow in an AC circuit, including resistance and reactance.

English: Impedance

The opposition to current flow in a conductor, measured in ohms.

English: Resistance

The opposition to AC current flow due to inductance or capacitance.

English: Reactance

All circuit conductors between the service equipment and the final branch-circuit overcurrent device.

English: Feeder

The circuit conductors between the final overcurrent device and the outlet(s).

English: Branch Circuit

A material that allows electric current to flow through it easily.

English: Conductor

An AC power system using one alternating current.

English: Single Phase

An AC power system using three alternating currents offset by 120 degrees.

English: Three Phase

A unit of area equal to 1000 circular mils, used for large conductor sizes.

English: kcmil

Multiple conductors connected in parallel to increase current-carrying capacity.

English: Parallel Conductors