Hi, I am getting an stationary, 240 volt, 60 gallon air compressor, and need
to know where to put it. Unfortunately, I don't have a garage, and the area
where I work on or park my cars is about 60-70 feet from the house, and the
service panel is even further away. A gas-powered compressor is out of the
question due to price. I don't want to store my compressor outside, or in
the basement. The basement is too humid (though not wet), unlocked, and I
would worry it would rust. Plus getting it down there and out would be a
pain, as there is no bulk head. I will put it on the first floor of the
Here are my options:
Compressor in first-floor storage room, which is about 12-15 feet away from
service panel, which is directly below this room in the basement. Compressor
would then be about 90-100 feet from car/work area and I would run the air
hose out the window.
Compressor in first-floor side entry way, about 35-40 feet from service
panel in basement. Might have to drill holes to run the wire, or run it
along the walls, which could add another 20 feet to the length, unless I ran
the wire through the middle of the floor and not along the wall. Compressor
would then be about 60-70 feet from car/work area.
The Haynes tool book which I read said in situations like this where the
work area is far from the service panel, it is always preferable to put the
compressor as close to the panel as possible, since otherwise there will be
voltage drops and you could trip a breaker or cause a temporary brown out.
Also, I have used 50 ' air hoses in the past at school, with no noticeable
air power loss, so I can't imagine 100' of air hose would make much
Also, what type wire should I use to connect to the service panel? 8 gauge?
And what size breaker? 50 amp? Do I have to ground the compressor, since the
house outlets are not grounded right now, since it is over 100 years old! I
assume the service panel is not grounded as well, so grounding wouldn't give
any benefit, would it? I know the house can run 240 volt appliances, since
there are 240 volt outlets for a dryer, and the range and furnace are also
hard-wired. And both of those are about 35-40 feet from the service panel.