Launch Slideshow

Temporary Construction Power Box

Temporary Construction Power Box

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    Job Site Temporary Power Box

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    Quest PowerDry 4000 Dehum with Quest Air Mover fans running in the background drying a house in framing after a rain.

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    This style power panel gives us lots of room to have plenty of guys on the job all plugged in.

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    The labels help to quickly identify the plug you'll need.

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    We mounted it on a piece of 3/4" plywood and covered it with some leftover Tyvek Flexwrap for longevity.

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    These 220V plug are for our portable dehumidifiers and air conditioners.

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    The 50Amp 220v is for our Quest Electric Heater. I don't like propane inside the house, and I don't like running the clients furnace.

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    Be sure to give yourself plenty of 20Amp 110v plugs!

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DISCLAIMER: ELECTRICITY IS DANGEROUS! USE GOOD JUDGEMENT! ONLY USE A LICENSED ELECTRICIAN TO BUILD AND INSTALL THIS JOBSITE POWER BOX.

If you build or remodel homes for a living you've definitely encountered times when the crews didn't have enough power. This is especially true when you condition your houses during construction. I'm a big fan of Quest Construction Dehumidifiers, Air Conditioners, and Electric Heaters (the heaters run at either 30 or 50 Amps!). Couple that with a 220V cabinet saw for my finish carpentry crew, several miter saws, two compressors, and a half dozen makita chargers and you can quickly max out a small temp power service!

I thought I'd share how we bring a portable power panel to our jobs to get everyone connected. First, here's the video overview.



Here's the parts list you'll need to make one for yourself. It's going to run about $1000-1200-ish for the parts but this power panel should provide many years of use. Tim Hill my Project Manager made this parts list for this particular panel box:

Fittings for conduit to panels

  • 110' 4 ga. 3 conductor with ground aluminum "service entrance cable"
  • Lastly, you'll want a 45 degree position hand truck to make it manageable getting to/from the job site and to set it up onsite.

By the way, if you buy from the Amazon links above I'll get a small commission on your sale which helps support my blogging habit!).

Let me know if you build one, and I'd love any tips/tricks you've found with temp power for your job sites.

Risinger Homes is a custom builder and whole house remodeling contractor that specializes in Architect driven and fine craftsmanship work. We utilize an in-house carpentry staff and the latest building science research to build dramatically more efficient, healthy and durable homes.

Be sure to check out my video blog on YouTube, and follow me on Twitter @MattRisinger You can also check out my new Amazon Store with Matt Risinger approved items.