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

An electrical device that converts alternating current (AC) to direct current (DC), a process known as rectification.

Allows current to flow in one direction only. Used for rectification, over-voltage protection, and in logic circuits.

Material that resists the flow of electric current. Used to protect and separate conductors, ensuring safety and efficiency in electrical systems.

Support system for insulated electrical cables used for power distribution, control, and communication. Provides an alternative to open wiring or conduit systems.

A thick strip of copper or aluminum that conducts electricity within a switchboard, distribution board, substation, battery bank, or other electrical apparatus.

Provides a return path for electrical current in an AC circuit and is connected to the ground at the electrical panel. Helps complete the circuit and manage voltage levels.

Stores energy in a magnetic field when current flows through it. Used in filters, transformers, and energy storage systems.

Transfers electrical energy between two or more circuits through electromagnetic induction. Used to step up or step down voltage levels in power systems.

An enclosure that contains electrical connections, intended to protect the connections and provide a safety barrier.

Instrument for measuring the potential difference, or voltage, between two points in an electrical or electronic circuit.

A device used to measure the current in a circuit. Must be connected in series with the measured circuit without interrupting the flow.

A protective tube or similar enclosure in which electrical wires are run. Provides protection from impact, water, and chemical vapors.

A conductor inserted deep into the earth to provide an electrical connection to the ground. Offers a reference point for circuits and a return path for electrical faults.

A modular block with multiple terminals that enables the connection of wiring without splicing or physically joining the ends.

A device installed in electrical systems to protect the insulation and conductors from the damaging effects of lightning.

Material that permits the flow of electric charges in one or more directions. Commonly used in wires and cables to transport electricity.

Converts light energy into electrical energy using the photovoltaic effect. Used in solar panels to generate electricity.

A device that controls the use of electrical power to equipment, usually an electric motor. It provides a safe method for starting and stopping the motor.

Limits the flow of electrical current in a circuit. Often used to divide voltages or limit current to safe levels in electronic devices.

Stores and releases electrical energy in a circuit. Used to smooth out fluctuations in power supply and as filters in electronic circuits.

Generates electrical power by converting mechanical energy to electrical energy via alternating current. Used in vehicles to charge the battery and power the electrical system while the engine is running.

A device used to measure electrical resistance. Directly indicates the resistance in ohms.

Used by utility companies to measure the consumption of electrical energy by residential and commercial customers.

Instrument used to measure the power in watts of any given circuit. It indicates the rate of energy conversion.

Semiconductor device used to amplify or switch electronic signals. Found in almost all electronic devices for computing and amplifying.

A device that shields electronic equipment from sudden surges in electrical power. Prevents damage to devices due to voltage spikes.

Converts direct current (DC) to alternating current (AC). Used in renewable energy systems and mobile power applications.

A multi-function instrument that can measure voltage, current, and resistance. Essential tool for troubleshooting electrical and electronic systems.

Maintains a constant voltage level automatically. It's used in power supplies to steady the voltage to the desired value.

Electrically operated switch that uses an electromagnet to mechanically operate a switch. Used to control high power circuits with a low power signal.

Manually or automatically operated electrical component that can complete or interrupt the flow of electricity in a circuit.

A device that quickly breaks an electrical circuit when it detects a ground fault or current leak, offering protection against electric shock.

Automatically interrupts electrical flow in a circuit when it detects an overload or fault. Used to protect electrical circuits from damage.