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builder-f4n4tic t1_j1dygka wrote

Dimmer switches can be switched out with single poles. I'm really confused by that group of twisted black wires. Did it just have a wire nut on it?

Three way switches have an extra wire.

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TheRealRacketear t1_j1ebgqk wrote

Could be another branch that feeds off of this box.

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Affectionate_Cronut OP t1_j1er4wo wrote

There's no switched outlet in the room, so it's not that. Beyond that, I have no clue.

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ImFuckinUrDadTonight t1_j1gn0yh wrote

If you are curious, turn off the circuit breaker, separate the black wires, and see what doesn't work.

I'd guess it's a nearby outlet (non switched)

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generalducktape t1_j1eyun6 wrote

That's constant power feeding another switch or plug the single wire the output to the light

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Affectionate_Cronut OP t1_j1dzd4s wrote

The dimmer switch had 2 black single wire leads coming from it, one was wired to the single black wire, and the other was wired to the pair of black wires twisted together. The house is a modular built and wired in Canada, if that makes a difference.

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AverageAndNotJoe t1_j1eptqn wrote

The single black was most likely the light and the twisted pair was likely the branch line. The switch sits in the middle to be a switch/interrupt of the power.

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rfc2549-withQOS t1_j1gzouh wrote

Sigh. In Europe, the colour coding would help - switched wires have a different colour.

It seems like the 2 blacks are basically the live wire passing thru that .. wall box?

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