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What are wires & why are they important?
What are electrical wires used for?
What is an electrical wire?
What does the color of a wire mean?
A wire is a flexible, round, bar of metal. Wire is commonly formed by drawing the metal through a hole in a die or draw plate. Wire gauges come in various standard sizes, as expressed in terms of a gauge number or cross-sectional area. Wires are used to bear mechanical loads, often in the form of wire rope.
Jan 25, 2024 · The purpose of electrical wire is to transport electricity from a source to a target that requires it, such as: appliances, power outlets, and light fittings. This is achieved through the use of the conductor within the wire that is made from a metal with good electrical conductivity.
The neutral wire serves as a return path for electrical current while the ground wire provides a path for electrical current to earth. Since electricity flows from source to destination and back, each wire serves a specific need to ensure the loop is maintained.
Wires are pieces of metal that transport electricity. They are usually flexible which makes them easier to use. These electrical conductors are key to all electrical devices, from the electric circuit board in a computer to the transformer in a neighborhood, or even the electrical transmission system carrying electric power hundreds of ...
- NM Cable. Best for: Interior use in dry locations. Often called “Romex” after one popular brand name, nonmetallic (NM) cable is a type of circuit wiring designed for interior use in dry locations.
- UF Cable. Best for: Underground wire for outdoor fixtures. Underground Feeder (UF) is a type of nonmetallic cable designed for wet locations and direct burial in the ground.
- THHN/THWN Wire. Best for: Wiring inside of conduit in exposed, often unfinished, areas of the home. THHN and THWN are codes for the two most common types of insulated wire used inside conduit.
- Low-Voltage Wire. Best for: Circuits requiring 50 volts or less. Low-voltage wiring is used for circuits typically that require minimal voltage, such as landscape lighting wires, sprinkler system connections, bell wires (for doorbells), speaker system wires, thermostat wires, or anything else that requires 50 volts or less.
Jun 1, 2023 · So what does the neutral wire do? This guide will explain. What Is a Neutral Wire? The neutral wire is typically the white wire accompanying the black wire in an electrical circuit. Its purpose is to act as the path for unused electricity back to the electrical circuit.
A wire’s color tells you the purpose of the wire. The NEC references the white conductor as the grounded conductor, the green or bare as the equipment grounding conductor, and the other colors as the ungrounded conductors. Typically, white wire is neutral wire and green or bare wire is ground wire.
