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Discussion Starter · #1 ·
I have a 240 volt 50 amp electric kiln with a 3 prong plug. I have a 4 prong outlet for a dryer I would like to use. The kiln has 2 hots and the ground hooked up. Can I hook the new 4 prong cord up and just leave the neutral disconnected? Of course I don't want to burn down the house and wanted an expert opinion


Thanks!
 

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The rating on the dryer receptacle is 30 amps, and the kiln is rated for 50.
You can not use the dryer receptacle.
 

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I am a little confused about that because on one place on the kiln it says 50 amps and another place it says 25 amps
Well you better figure that out for sure! Look on the rating plate of the kiln where it lists voltage, current, and probably wattage.
 

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See below. At the top it says 25 amps, but down below it says 50 amps. Its a cress model 328J kiln but I couldn't find much online.
It requires 25A. The lower label is on the Kiln Sitter, which is a completely separate device made by a separate company and installed as part of the kiln. The Kiln Sitter is a timer and automatic shutoff (using pyrometric bars) for the kiln, and the 50A rating is it's maximum allowable load. The upper nameplate is for the kiln itself, and says 25A.

Use a 4-wire cord and leave the neutral (white) disconnected.
 

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The hots are interchangeable. Just make sure the ground goes to the frame.
 
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