How to replace a sparking or melted light switch safely
Failing wall switches often develop loose connections that cause dangerous arcing, flickering lights, and melted plastic. Replacing the faulty switch yourself restores safe electrical continuity without requiring an expensive electrician, provided you shut off the power at the breaker first and wire the new switch securely.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1toggling the breaker off and on to test
- 2leaving it alone temporarily and using a headlamp
- 3taking apart the switch to inspect the wiring and terminals
- 4Turning off the breaker and temporarily taping the exposed wires
- 5Attempting DIY rewiring and switch replacement without professional training
- 6Replacing the old remote accessory receiver switch with a standard 3-way wall switch.
- 7Calling customer service for compatibility recommendations
- 8Hiring an electrician
- 9Using an electrical tester or multimeter to identify live wires
- 10Using special connectors for mixing aluminum and copper wires
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“I turned me light on to my bathroom and the lights started flickering and I could hear popping from behind the plate going to the switch.”source ↗
“Roommate said she was lying in bed when the closet light came on, the went to touch the twitch but it was already off, shocked her (said her hand still felt sore 30min later so, yeesh) and was sparking.”source ↗
“The lightswitch itself is so obviously melted that i just took it off and just taped the wires for now as an immediate safety thing.”source ↗
“Genuine, i have like $40 right now i just got divorced, i cannot pay an electrician and i also cannot have no power to half my home, so.”source ↗
“Well lo and behold I gave up due to losing sunlight from my window and tired of fooling with it for tonight. Hooked everything back up screwed it back into the wall with its plate and it’s working just fine again? Idk gents.”source ↗
“Have/had this weird switch in my garage to my outdoor spotlight over my driveway. It was being used as a 3 way switch. This switch was always glitchy and would cause the spotlights to turn themselves on.”source ↗
“Then, one day I was trying to figure out what’s this switches story and hit that on off sliding switch and it stopped working entirely.”source ↗
“Can I just replace it with a regular 3 way switch?”source ↗
“I want to replace the remotes with a more traditional wall control, so I called the customer service and they told me that the Hunter 99815 would work. However, after getting it, it has 3 wires.”source ↗
“I don't want to have to rewire this house for 3 wires just to have a wall control, so does anyone have any suggestions on what I can do?”source ↗
“When we took it apart there was 1 copper and 1 silver attached to the box and the 2 other copper were free roaming 😅”source ↗
“My spouse and I wanted to switch out our dimmer pitch switch to the Leviton SureSlide dimmer switch, but we were surprised to find all of this.”source ↗
“I pulled the back off of the outlet and have no clue on how to go about replacing it with a standard light switch. It only has this one wire leading to it.”source ↗
Where this came up
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