After thinking about it more this seems ridiculous. You are not running a
machining business, you are building your own machines for personal use.
Why can't you just say you are a machine developer just like any other
business that develops products. Things developed in the labs are not UL
listed or approved and those things are also marked as "not for sale". UL
approval does not come until the final design is tested and made ready for
sale.


John Figie


On Wed, Jul 28, 2021 at 4:24 PM John Figie <[email protected]> wrote:

> My electrical inspector (in WI) never looked at my LinuxCNC machines
> closely but they look like Bridgeports. He was only concerned with the
> building wiring. I would move the machine to a storage unit, and replace it
> with a bench and hand tools, then call the inspector and say you "got rid"
> of the machine because it was too expensive to get it approved.
>
> John Figie
>
>
> On Wed, Jul 28, 2021 at 2:17 PM Ralph Stirling <
> [email protected]> wrote:
>
>> I'm in a bind now.  I just had the electrical wiring I put
>> into my garage shop inspected.  The WA state inspector
>> liked my wiring fine, but balked at the non-UL-listed
>> CNC mill (the main point to my whole garage shop project).
>> He insists it get stamped by one of the *seven* official
>> "approved engineers" for the state of WA before he can
>> sign off on my electric.  I suspect that the field approval
>> would cost considerably more than my entire mill (1998
>> vintage French 5hp spindle, 300x200x300mm travels,
>> $5K).  Didn't matter to him that the new VFD is listed.
>>
>> Any other US-based, especially WA-based LinuxCNC
>> retrofitters faced this problem successfully?
>>
>> Thanks,
>> -- Ralph
>>
>> _______________________________________________
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>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>

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