Which wire is hot on 4 wire?
Black – Hot Wire (first phase) Red – Hot Wire (second phase) White – Neutral Wire. Green or Bare Copper – Ground Wire. Phase 1 or Line (L1) = Black. Phase 2 or Line 2 (L2) = Red. Phase 3 or Line 3 (L3) = Blue. Neutral (N) = White.For wires that will be 120, 208 or 240 volts, the following electrical wire color codes are used: Phase 1 – Black; Phase 2 – Red; Phase 3 – Blue; Neutral – White; Ground – Green, Green with Yellow Stripe, or Bare Wire.The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.L1, L2, and L3 are live lines; the neutral wire returns current to complete the circuit. Color codes vary by region. For example, in the U. S. Europe, they may be brown, black, and gray. They don’t all carry the same voltage to ground.Single Phase AC · BLACK or RED = Phase , Hot or Line, (L) · WHITE = Neutral (N) · GREEN = Earth Conductor “Protective earth” (PE) Three Phase AC · BLACK = Phase 1 or Line, (L1) · RED = Phase 2 or Line 2, (L2) · WHITE = Phase 3 or Line 3, (L3) · WHITE = Common Neutral (N) (Used in Two Lines System Only) · GREEN = Earth .
Which wire goes into L?
What colour wire goes to L & N? In new, single-phase electrical circuits in the UK, the live (L) wire is brown, and the neutral (N) wire is blue. The earth wire is green and yellow. Live wire colour Nowadays, the standard indicates that, in single-circuit installations, the colour brown should be used. This cable is labelled as L. This colour also identifies the first live cable (L1) in a three-circuit installation, the following cables being black (L2) and grey (L3).Since 1965, the cable colours already described – e. L1), brown (L2) and grey (L3), blue for the neutral conductor (N) and yellow-green for the protective conductor (PE) – have become established in electrical engineering as well as in building services.For neutral wires, the standard colors are white or grey. Hot wires, which carry current, are commonly colored black or red. Ground wires, used for safety purposes, are typically green, green-yellow, or bare (without insulation).Since 1965, the cable colours already described – e. L1), brown (L2) and grey (L3), blue for the neutral conductor (N) and yellow-green for the protective conductor (PE) – have become established in electrical engineering as well as in building services.
Which wire is always hot?
Black Wire: Hot First, you should always be aware of which wires may pose a safety hazard. Black, red, white with black or red tape will always indicate a hot wire. The term “hot” means these wires carry a live current from your electric panel to the destination. In all circuits, black wire is used for power. Any black wiring is considered hot, or live, meaning there is power running through it.
Which wire is L1 and L2?
L1 is the hot wire. It carries 120V to the components. L2 is the neutral wire. L1 and L2 are the wires which go to and from the power source. L1 is the hot wire. It carries 120V to the components. L2 is the neutral wire.L stands for live which is one of the wires in alternating current we use in homes. L is where your live wire should attach to. From L1 you run the live wire to the lamp or whatever you are switching.
How to wire a light switch L1, L2, L3, L4?
Sometimes there are 2 L1 and L2 terminals, sometimes there are L1, L2, L3, L4 terminals. The important part is the L1 and L2 labels, these should connect to the L1 and L2 of one of the 2-way switches. Then the other two terminals attach to L1 and L2 of the other 2-way switch. Wiring a Two Way Switch When L1 is on L2 would be off.