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Update - Motor Wire and Protection Chart  
 
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Here’s an update to our December 8 newsletter that provided you with a Motor Wire and Protection Chart. Based on your comments, Mike has updated the chart to include Fuse Protection.

Click here to download it - print it out, give it a go, and if there’s further feedback let us know.

Note: Voltage drop is not an NEC requirement

 

 

 

 
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Mike Holt Enterprises of Leesburg, Inc. 3604 Parkway Blvd. Suite 3 Leesburg, FL 34748
"... as for me and my house, we will serve the Lord." [Joshua 24:15]
Comments

  • 240.6 tells that "Additional standard ampere ratings for fuses shall be 1, 3, 6, 10 and 601. Note that for small motors, for example 1/2HP, 460V, 3-ph, FLC = 1.1A. I think that for those cases, the correct OCP shall consider the use of the small-ampere rating fuses mentioned in 240.6

    Jacob Mendelovici  December 30 2015, 9:34 pm EST

    • Reply from: Mike Holt   December 31 2015, 8:02 am EST
    You are 100% correct, I'll be sure the corrected file get uploaded as soon as the office is open.
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