Electrical Career Terms

Circuit

A closed loop that allows electricity to flow.

Conductor

A material that allows the flow of electrical current.

Voltage

The electrical potential difference between two points in a circuit.

Amperage

The strength of the electric current in amps.

Resistance

A measure of the opposition to current flow in an electrical circuit.

Grounding

The process of transferring surplus electricity to the earth to prevent damage.

Transformer

A device that changes the voltage of electrical energy.

Fuse

A safety device that interrupts the flow of electricity to protect circuits.

Breaker

A switch that automatically stops the flow of electricity in an overload situation.

Busbar

A metal strip that conducts electricity and connects multiple circuits.

Load

The amount of electrical power used by a device.

Continuity

The uninterrupted flow of electricity through a circuit.

Insulation

A protective material that prevents the flow of electricity.

Watt

A unit of power equal to one joule per second.

Amp

Short for ampere, the unit of measure for electric current.

Overcurrent

A condition where the load current exceeds the rated limit.

Short Circuit

An unintended path in a circuit that allows current to flow, potentially causing damage.

Outlets

Points in a circuit where electrical devices can be connected.

Trenching

The process of digging trenches to lay electrical cables.

Voltage Regulator

A device that maintains a constant voltage level.

Relay

An electrical device that opens or closes circuits electronically.

Panel

A box containing electrical meters and circuit breakers.

Grommet

A protective ring for wiring that prevents wear and damage.

Voltage Drop

The reduction in voltage in an electrical circuit.

Phase

The distribution of electrical power across multiple conductors.

Schematic

A representation of an electrical circuit using symbols.

Capacitor

An electronic component that stores and releases electrical energy.

Diode

A semiconductor device that permits current to flow in one direction.

Circuit Breaker

A device that automatically cuts the power in the event of overload.

Safety Switch

A switch that disconnects power to protect against electrical hazards.

Heat Sink

A component that absorbs and dissipates heat generated by electrical devices.

Wiring Diagram

A diagram that illustrates the connections and layout of an electrical system.

Arc Fault

An electrical fault that occurs when electricity jumps through the air.

Load Center

The main distribution point for electrical circuits in a building.

MC Cable

Metal-clad cable used for electrical wiring in various installations.

Stranded Wire

Wire made from multiple smaller wires twisted together.

Romex

A brand of non-metallic sheathed cable commonly used in homes.

Thermostat

A device that controls the heating or cooling systems in a building.

Wire Stripper

A tool used to remove insulation from electrical wires.

Screwdriver

A hand tool used to turn screws and fasteners.

Pliers

A hand tool used for gripping objects and twisting wires.

Electrical Tape

A type of tape used for insulating electrical wires and connections.

Plumb Level

A tool used to check if something is vertical or aligned straight.

Safety Gear

Appropriate clothing and equipment to protect against electrical hazards.

Circuit Tester

An instrument used to verify the presence of electrical current.

Probe

An electrical measuring device used for testing and troubleshooting.