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Thread: Extension Cable Reel Making - DIY Video

  1. #1
    Supporting Member RCTURKA's Avatar
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    RCTURKA's Tools

    Thumbs up Extension Cable Reel Making - DIY Video

    Hi, my new tool.


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  2. The Following 3 Users Say Thank You to RCTURKA For This Useful Post:

    Jon (02-10-2021), terryjs (02-08-2021), Toolmaker51 (02-15-2021)

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    Love the job.

    Remember to be careful using reels with anything that draws a bit of current though


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    NortonDommi (02-16-2021)

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    Thanks RCTURKA! We've added your Extension Cord Reel to our Extension Cords category,
    as well as to your builder page: RCTURKA's Homemade Tools. Your receipt:




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    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by terryjs View Post
    Love the job.

    Remember to be careful using reels with anything that draws a bit of current though

    Did a sewer snake entangle an extension, or coil of wire create heat by induction?
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  7. #5
    Supporting Member jdurand's Avatar
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    ah yes, derate a LOT if still on the reel, used in the sun, or you're just accident prone

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    Toolmaker51 (02-15-2021)

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    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by jdurand View Post
    ah yes, derate a LOT if still on the reel, used in the sun, or you're just accident prone
    Alarming. I wondered which was the signal; smell, smoke, flames, sparks?
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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    Supporting Member NortonDommi's Avatar
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    "Remember to be careful using reels with anything that draws a bit of current though" - I got a major dressing down from an electrical design engineer I know when he saw me using a coiled up extension cord with only a few feet run out. Something I had done for many years without a thought. Induction apparently causes a lot of overheating, fires and shorts, something I'd not heard about and nobody had ever pointed out.
    Toolmaker51 it may have been when the tool stopped working?

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    Toolmaker51 (02-16-2021)

  12. #8
    Supporting Member jdurand's Avatar
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    A big part is just heat dissipation. Wires are rated to run in free air.

    So, under USA code:

    Derate if more than a few wires in a raceway (conduit/wire tube).

    Derate if in a warm area.

    Derate if load is over 80% duty cycle.

    Derate if inspector is having a bad day.


    So, when we installed our off-grid solar here I had to use rigid conduit (water pipe) but since it goes through the attic to the roof the wires had to be derated 20% for heat. Solar panels are assumed to be 100% duty cycle, derate another 20%.

    Also the ground wire can not have any junctions from the stake to the battery controller. I just slipped by not having to use a ground wire the same size as the battery cables, that would have HURT my wallet!



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    Toolmaker51 (02-16-2021)

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