1 Answer. Unless the new dimmer is specifically marked with LINE and LOAD or similar, it doesnt matter which wire goes to which screw/pigtail in a simple two wire switch or dimmer. Since your new switch can be used as a three way, the instructions should say which screw should not be used.
Where do the wires go in a dimmer switch?
Wrap the ground wire around the green screw at the bottom of the standard switch. Wrap one of the black wires around one of the brass screws at the side of the standard switch. Attach the other black wire to the other brass screw on the standard switch. Push the new switch into the switch box.
How do you wire a dimmer switch?
2:343:57How to Install a Dimmer Switch (Single Pole/Three Way - YouTubeYouTubeStart of suggested clipEnd of suggested clipStart by wiring the bear ground wire from the house to the green ground wire on the three-way switchMoreStart by wiring the bear ground wire from the house to the green ground wire on the three-way switch screw on a wire nut and tighten it. Down.
Does it matter which wire goes where on a 4 way switch?
More videos on YouTube It doesnt matter which traveler wire goes on which bottom screw. Then connect the two travelers from the other 3-way switch to the top screws on the 4-way switch. Another key point is it doesnt matter which traveler wire you attach to which screw.
How do you know which wire is hot on a light switch?
Place the prong of the multimeters black wire on the bare metal on the end of a white wire, then read the meter. If you get a reading, the black wire is hot; if you dont, the black wire isnt hot.
How do you wire up a 2 Way 4-way switch?
2:268:25How to wire 4 way intermediate light switch - YouTubeYouTube
What happens if you reverse line and load light switch?
Heres what happens when somebody wires a GFCI receptacle with the load and line wires reversed: The GFCI will work, in the sense that you can plug in a hair dryer and the hair dryer will blow hot air. If the load and line wiring gets messed up, a ground fault (radio in the tub) wont trip the GFCI.
How do you wire a 3 wire to a 4 wire switch?
Connect the ground wire of the 3-wire cable to the ground wire of the 4-wire cable. Connect the black wire of the 3-wire circuit to either the red or the black wire of the 4-wire circuit. The red and black wires are thehot wires. Either wire can be used to power a circuit.
What are the four wires in a light switch?
A light switch has 4 wires sometimes – 2 white and 2 black wires. The whites are connected together with a short third wire; which is called a pigtail, connecting to the silver screw on the pull chain fixture.
What happens if you put a non dimmable LED bulb in a dimmer?
If you install a non-dimming LED bulb in a circuit with a dimming switch, it will likely operate normally if the dimmer is at its 100% or fully on. Dimming the bulb, will likely cause erratic behavior such as flickering or buzzing and ultimately may cause damage to the bulb.