Attaching Air Compressor To Junction Box


For very small needs (which I'm assessing your stated needs as) a portable tank (3-5 gallons - 12-20 liters or so) which you either fill up at an air station or pump up with a standing bicycle pump is probably more sensible than a compressor.

If you work out fittings for it and you really want only a liter or two, most plastic soda/pop/carbonated beverage bottles bottles are good for 160 PSI / 11 bar or so, though longevity will be better if you stick to 100 PSI/7bar or so. A standing bicycle type pump will fill one of those in short order.

A third alternative would be an airbrush type/size compressor, but they don't typically do 100+ PSI.

Or, evidently, someone makes a thing targeted at exactly this market - more of a "blower" than a "compressor" but that being the desired end result....

Not associated with, owner of, or recommending any specific products shown,...

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You could attach the box to the bottom of the joist, but you'd have to rotate it in such a way that the joist was perpendicular to clamps.

The problem with this is that if you finish the ceiling with drywall, the box will stick out quite a bit (~2").

The standard approach, is to attach the box to a 2x4 that is installed between the joists. The box will be attached to the 2x4, the same way as if you attached it to the bottom of the joist.

You'll set the 2x4 back from the joist edge about 1" (assuming 1 1/2" deep box).

Then if you install 1/2" drywall, the box will basically be flush with the drywall face.

Alternatively, you could simply purchase a different box. They tend to be fairly cheap, so purchasing a box with an external mounting bracket may be an...

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This article describes a way to create a quiet air compressor, sufficient for tire filling, drying air flow needed parts and even applying automotive paint. All you need is a refrigerator or freezer at 110 volts (the more the better) with a compressor and air tank with pressure gauge, safety valve and air hose with a length of several meters.

It is very important to disconnect the coolant from the refrigeration system. Many stores do it for free (and writes data services in the inventory). It is also a good way to test the compressor

Once all the gas is released from the system, you need to cut copper pipe. In a closed compressor module has one outer and one inner tube. Trim them using a special tool. If circumcision is necessary to leave the copper tube of sufficient length. Try not to turn this part upside down.

Insert the power cable in the cable harness, all the wires were in separate connectors on the capacitor. Mark the wires and connectors with...

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Actually, R134/a (is BORDERLINE Environmentally safe, as most 'Air Duster', Sports Horn, and Even most aerosol products are pressurised with it.. But I well understand your concern, having been a Firefighter/Haz-Mat-II warm-zone first responder.

To the author, I also would HIGHLY suggest bringing a salvage refrigerator to a HVAC contractor, to have the refrigerant safely extracted. (vacuum pump system) (since it could be R12, which is still illegal to vent.) and leaving the system sealed at least 20 minutes before allowing venting to the atmospheric level. I haven't read further into the instructable, But also drain as much of the refrigerant oil as possible, and replace it with air-compressor oil, which will not foam, and cannot be contaminated like the refrigerant oil does. (But NEVER more than the amount you drain! as this will get oil into the output air.)

One note to HVACPro, Not entirely unwise, as most compressors are essentially the same inside, as...

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FAQ for Wiring Detached Building

New breaker box in a detached garage. 1

230v table saw for use in your detached garage. 3

Run electric to Pole Barn. 4

Rewiring Garage, what size wire to run?. 4

Wiring Garage 60ft from House. 5

Plastic or Metal Conduit?. 5

Wiring a detached garage. 6

Load center for attached garage. 8

Wiring in a pole barn. 9

Electrical service for shed/workshop. 10

Source (

· QUESTION - How do you run a new breaker box in a detached garage from the existing breaker box in the house?

· Answer - If your current breaker box is 200 amps then it is fairly simple. Install a 30 amp breaker (house box (a)) to run the garage (b) box outlets. Depending on the distance from box a - b use a suitable gauge wire for...

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