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Plug wired to compressor

streetglider

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May 17, 2014
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137
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Painesville, Ohio area
I purchased a BelAire 60-gallon compressor that needed a 240V circuit. I generally don't fool with electricity and the thought of fooling with a 240V circuit convinced me to hire an electrician. The way he wired it up to the plug always concerned me a bit. The wire on both ends is very loose and the 3-prong plug covered with black tape continues to disconnect from the receptacle. I would like to put together a better plug and wire. Any suggestions? Can I do it myself or is there somewhere I should take it to have it professionally made. I am more mechanically inclined and can follow most repair manual instructions. Here are some pics of it.
 

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wyliesdiesels

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Modesto, CA
yikes :shocking:

is your electrician's company name Hacked Electricity, LLC? :Violent:

you should ask for a refund. that is definitely poor quality :headshake

that plug is made to be used with cordage NOT liquid tite conduit

what is the HP rating on the motor?

will need that info to size the cordage...

If the HP is more than about 3, it will need to be hardwired to a disco, unless panel is in sight of and not more than 50' from compressor
 
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mm08822

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NJ
So your "electrician" is a hack. That entire needs to be ripped out back to the pressure switch.

Go buy some 3 wire SO or SJ cordage at the box store. Post a pic of the motor nameplate to determine cord wire gauge. It will either need to be #14 or #12.

Then you can make up a cord re-using the plug and wire back into the pressure switch.
 
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streetglider

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Painesville, Ohio area
It looks like the compressor has a 5 HP rating. The panel is directly behind the compressor. The compressor and electricity to my shed are the only things on it. I use the electricity in the shed for a light and occasionally to charge an ATV battery.
 

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streetglider

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Painesville, Ohio area
Yes, it's real and, yes, I paid him. He assured me it was fine and, as I have admitted, I didn't have the necessary knowledge to dispute his assurances. In the past, relying on a professional has worked for me more often than not.
 

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mm08822

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So your "electrician" is a hack. That entire flexible conduit needs to be ripped out back to the pressure switch.

Go buy some 3 wire SO or SJ cordage at the box store. Post a pic of the motor nameplate to determine cord wire gauge. It will either need to be #14 or #12.

Then you can make up a cord re-using the plug and wire back into the pressure switch.
Above edited based upon subsequent nameplate info provided.

Based upon motor nameplate info, this should be wired with #10s. Be it with 10-3 SO or SJ cord or #10 thhn in flexible conduit. What size conductors are in the wall and CB size in panel?

The plug and recept is not rated for 5hp and should be eliminated.

If the panel supplying this compressor is within sight (and less than 50') then a local disconnect is not needed and conductors can be spliced in the outlet box needing a cover plate with 3/4" KO to attach cord or flex conduit. A local disconnect could be a more convenient way to effectively make these splices using the line and load lugs of the disco.
 
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