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Question DetailsAsked on 10/27/2014


11 ft. of 20 amp, 120 volt surface mount elect. circuit extending from exist. junction box on wall to new 2 gang GFCI outlet on same wall in garage (easy access). Will require conduit, fittings, outlet wall box, wiring and wall box cover.

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2 Answers


Probably about $100-150 plus materials.

Good luck!


Answered 5 years ago by Jefferson


Jefferson's answer clearly assumes the existing circuit at the junction box can handle your added load. Since I am from a higher cost area then him, I would have said $150-200 for your described scope - assuming all surface mount, NOT wall box - which name implies, at least to me, flush with wall, which is NOT compatible with surface conduit. Also assumes of course surface conduit is legal in your locale and for this specific application - is in probably most areas, but not allthat I have worked in.

As for parts - I would say about $40-90 parts depending mostly on whether the conduit is plain galvanized conduit or surface-mount architectural wire channel, assuming no changes needed in wiring from junction box to breaker box and that the breaker does not need upgrade. I would not count that this would be the case, because most circuits tend to be loaded to capacity with outlets and such, so adding this outlet might mean the entire circuit has to be upgraded, or a new circuit run for this use. Certainly, if you intend to run 20A devices like power tools off this outlet I would check out what else is on that circuit before counting on adding it to that circuit.

Answered 5 years ago by LCD

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