How to wire this dimmer switch? it expects two blacks but there’s one white and one black

dimmer-switchelectrical

I have an existing standard light switch that controls a single two-plug outlet. I would like to replace the switch with a dimmer switch.

The dimmer instructions expect two black wires and two white wires (and a ground) in the box, but there is only a single white and a single black (and a ground). The white wire and black wire come from the same larger white wire, where the first layer of sleeve has been removed to show the two of them.

How do I wire this up correctly?

Instructions
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Wall Box
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Dimmer Switch
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Best Answer

I have an existing standard light switch that controls a single outlet. I would like to replace the switch with a dimmer switch.

You can't

It is a code violation to put a dimmer on a receptacle.

Because, you (or the next guy) could plug any appliance in there, and some appliances like to burst into flame when dimmed.

If you really, really have to do it, then one company makes special sockets for that purpose. They are keyed to reject normal plugs. They will accept a special plug, which you then install on your lamp. The special plug is able to plug into normal sockets.

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