Aluminum soffit pot light installation help

jay_haitchDecember 7, 2009

I want to add extra outdoor pot lights (non IC) in the soffits. They are ventilated prepainted aluminum. I want to add fixtures in two areas: attached garage which is unfinished, so I can access the existng NMD wire, and front of the house where I hope to take power off an existing pot light. Current fixtures are Juno TC2 6 inch.

1. I assume I must use a remodel housing non IC type fixture? I can cut the aluminum with tin snips.

2. How do I run wire from the existing pot light for the front of the house? How can I access the existing pot light?

3. Can I run armoured cable along the soffit to the next light? I assume NMD would not have enough physical protection to just be laying on top of the soffit panel.

4. I want to insulate the garage at some point. Can I use a junction box in the future attic space as long it's above the level of proposed insulation? I don't think it's approved to have insulation over a junction box.

I want to try as hard as I can not to have to remove the aluminum to do these additions. The front soffits are 20 ft high, so I hope to minimize the amount of time I'm clambering up a 28 ft ladder. Thanks!

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spencer_electrician

The existing can light should have 3 or 4 screws near the face of it to unscrew and push the can into the soffit. Then you can get to the junction box and hopefully send a fish tape or fiberglass rods to the hole for the new light. If you have attic near by, it is a lot easier. Just push a fish tape or sometimes the wire itself towards the house and go to the attic to hopefully find it there.

Keep your junction box above the insulation. No need for armored cable, just romex is fine.

You might have a hard time attaching a remodel can to a flimsy thin aluminum surface. If it will hold a self tapping screw, maybe screw the lip of the can to the aluminum. May also have to use construction adhesive. The tension clips are not going to have much to grab like they do in a sheetrock ceiling.

    Bookmark   December 10, 2009 at 10:22PM
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jay_haitch

Great tips. Thanks! I forgot about the fibreglass rods. I've seen but never used them. I also wouldn't have thought about construction adhesive. Glue & screw, just like woodworking :) I'll have to wait till spring now though. I have no interest in being 20 ft up a ladder in -25C.

    Bookmark   December 10, 2009 at 11:49PM
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mike_kaiser_gw

Those fiberglass fish sticks are a nice thing to have but they can be a little expensive for occasional use. They sell little reflectors on a stick for the end of the driveway for about two bucks. Just cut off the reflector and you have a simple fish stick

    Bookmark   December 11, 2009 at 11:32AM
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jay_haitch

That's a fabulous idea! I've got them at my driveway edge right now. I think that would work better than fish tape, but it would make sense to have both available. Thanks again.

    Bookmark   December 11, 2009 at 11:26PM
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