Need dual dimmer that has separate HOT for each dimmer

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Old 10-29-16, 08:35 AM
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Need dual dimmer that has separate HOT for each dimmer

I am not an electrician, but had a handyman come over. After he told me what i did wrong, I need a dual dimmer with two separate HOT connections (i think this makes separate circuits?). I'm sure im explaining it wrong. The last dimmer I had only had one hot connection for both switches. Not sure if them make such a thing. Thanks for your help.
 
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Old 10-29-16, 08:51 AM
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Easiest is to remove the single gang box, install a double gang old work box, then install two dimmers. You would need to pigtail the power in and have to separate power outs if power comes in at the switch.
 
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Old 10-29-16, 08:57 AM
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What kind of lamps? Most Lutron dual dimmers have a tab that can be broken off so you can feed each one from a separate circuit. For example, the MA‑L3L3 is a dual dimmer for incandescent and Halogen lamps that has the tab. The tab ties the two hot screws together, but if you break the tab off with pliers, you can feed them from separate circuits.
 
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Old 10-29-16, 07:10 PM
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funny, that's the one i bought. only has one hot into the dual switch.
see photos.
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Last edited by PJmax; 10-29-16 at 08:15 PM. Reason: removed duplicate pics
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Old 10-29-16, 07:35 PM
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Sorry, I gave you bad information. You are correct, the MA L3L3 has only a single hot terminal.

Lutron is most of the market in dual dimmers, so your best course of action as suggested by Ray (and since deleted by him..Sorry Ray!) is to remove the single box and install a double gang box so you can use two separate devices.

I do wonder why you have two circuits in a single switch box....not wrong...but a little unusual. Is there some reason you can't just use one of the circuits for both lights?
 
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Old 10-29-16, 07:54 PM
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I've undeleted my post Paul referred to. Please let us know if power comes in at the switch or separate power in at each light.
 
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Old 10-29-16, 08:08 PM
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Original config of 3 gang box:

1 dimmer direct to lights above sink
1 dimmer direct to lights above bath (tied into GFI outlets)
1 dual swich (2 switches in one gang) for bathroom fan and fan light

Config i wanted:

1 dual dimmer for lights above sink and lights above bath
1 timed switch for fan
1 single pole switch for fan light

---------------------------

the two dimmers having seperate hot lines (because one is on GFI curcut) is causing me issues when i have a dual dimmer with only one hot.
 
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Old 10-30-16, 12:24 AM
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Since you already have a 3-gang box I'd suggest adding a single gang box for the fan light switch. That would be simpler than a 4 gang box. Or move the vanity light switch to the vanity.

Thinking about it I like my second Idea better. You could replace your vanity receptacle with a two gang box for a switch and receptacle.
 

Last edited by ray2047; 10-30-16 at 04:22 AM.
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