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Line is the wire going from a current source into a switch. It's upstream of the switched device(s). Line is always hot. Load is the wire going from the switch to the device. Load will only be hot if the switch is closed. I really don't like using...


A delayed timer switch I am installing requires that a different wire be fastened to the "load wire" than to the "line." How would I determine which is which (both come into box at same side).


Distinguishing between line and load isn't always necessary. For example, a conventional wall switch -- which is a single-pole, single-throw switch -- works equally well whether you attach the live circuit wire -- line-- to the top brass terminal or the bottom because the switch has only two positions -- open or closed.The terminal connections are directional on a double-throw switch, on the ....


# 22 A very quick look at the difference between line and load and how it applies to an endless list of electrical devices. ... How To Wire A Single Pole Light Switch ... Line & Load - Duration: 4 ...


The "line" wire is the one that supplies voltage to the devices from the power line (circuit breaker). The "load" wire is connected to the device being installed. The "neutral" wire complete the circuit to the power panel and provides a return path for the electrical circuit.


One is the line cable that connects to the GFCI's LINE terminals. The other cable connects to the LOAD terminals to bring power downstream to additional outlets and other devices on the circuit. As with the line connections, the hot wire of the load cable connects to the black or brass terminal on the outlet.


The Load wire is always hot (black or red wire) and the Line wire is the one that returns to your fusebox (usually white). Answer above is absolutely wrong written by someone who does not know ...


Line and load refer to the power connections coming into or out of electrical devices in the scheme of your electrical system. It's all relative because, in many cases, the load wire of one device is the line wire of the next device in the circuit. In this way, the terms can generally be thought of as "incoming" and "outgoing."


What Color Is the Load Wire? In a circuit, the main load wire — the live power wire between the switch and power source — is typically black, and the secondary load wire is usually red. Wire colors can vary between circuits, so it is best to remove or turn off power sources before touching them.