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Air compressor on extension cord?

heavychevy1

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Joined
Dec 14, 2011
Messages
107
Location
Fort Bragg, NC
Well I've done some research and I cant really find a solid answer for my problem. I don't have a garage, just a shed that is at one end of my house and the only outside outlet is on the other end of the house. I obviously can't leave the compressor outside and I'm trying to avoid having 150 ft of air line. I have a 100 ft 10g extension cord, just wondering if this would be ok/ safe to use with the compressor? The compressor is an older twin cylinder 4hp 30 gallon craftsman (devilbliss).

I also know damn near close to nothing about anything related to electricity... so please school me. Thank's fellas!
 
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SteveU

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Nov 20, 2006
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1,243
Location
Michigan
Well I've done some research and I cant really find a solid answer for my problem. I don't have a garage, just a shed that is at one end of my house and the only outside outlet is on the other end of the house. I obviously can't leave the compressor outside and I'm trying to avoid having 150 ft of air line. I have a 100 ft 10g extension cord, just wondering if this would be ok/ safe to use with the compressor? The compressor is an older twin cylinder 4hp 30 gallon craftsman (devilbliss).

I also know damn near close to nothing about anything related to electricity... so please school me. Thank's fellas!

I think you would be better off running 100' of air line than trying to run a 100' extension cord. Reason why is you will get a voltage drop thru the line & your motor won't like running on a lower voltage than specified. I have ran 200' of 3/8" air line with HVLP connectors & air tools ran just fine. One caveat, I ran my air thru my metal line before the 200' of hose so the water was already out of it, hooking rubber air line up direct to the compressor you will get more water in the line & should have something set up to catch it on the end.
 

79firebird

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Joined
Aug 19, 2008
Messages
385
Location
Victoria bc
100 feet of 10g should be fine. when i was in the building trade we would run 10g cord for a 3.5 hp compressor and run a skill saw as well as a chop saw no prob. was 150 feet long. Never had a prob used it on about 50 houses tell i left the trade
 

scott37300

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Joined
May 5, 2010
Messages
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Location
Wisconsin
Look at your motor and see how many amps it draws, a true 4HP motor will draw a good amount of amps. It's always better to run more airline and less extension cords.
 
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Torque1st

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Joined
Sep 14, 2008
Messages
5,668
Location
KC Metro, Kansas
Well I've done some research and I cant really find a solid answer for my problem. I don't have a garage, just a shed that is at one end of my house and the only outside outlet is on the other end of the house. I obviously can't leave the compressor outside and I'm trying to avoid having 150 ft of air line. I have a 100 ft 10g extension cord, just wondering if this would be ok/ safe to use with the compressor? The compressor is an older twin cylinder 4hp 30 gallon craftsman (devilbliss).

I also know damn near close to nothing about anything related to electricity... so please school me. Thank's fellas!

What voltage does your compressor require? Post the motor nameplate info and we can tell you more.

Your outlet is probably only 120V.
 

Norcal

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Joined
Mar 16, 2008
Messages
13,769
Since the OP said it was a Sears, we can bet the farm that it is not a "4HP", Sears is the undisputed master of deceitful power claims on their tools.

The compressor motor's amperes @ the rated voltages of 115 or 230V, if dual voltage, would be helpful.....
 
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