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Hey electricians... Big Al 08-24-2006
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Posted by Big Al on August 24, 2006, 1:37 am
Friend of mine just had 400 AMP 3 phase put in his shop. It's 208 volts. He
has a machine that says 230 Volts on the name plate. The machine has an
autoformer in it for 208 or 230 volts. (The machine is actually 400 volts,
it's from Italy, the autoformer bumps the input to 400 volts to run it.) The
city inspector says he has to have the name plate re-stamped to read 208
volts since that's what is actually connected to it. Anyone ever hear of
this?

Al



Posted by David Martel on August 24, 2006, 8:42 am
Al,

So, what's the problem? Remove the tag, carefully hammer out the old
stamp, or fill the old stamp with solder, restamp with the new voltage, and
reattach.
Local laws are different in different locales. This is an easy fix which
will satisfy the local inspector.

Dave M.



Posted by glenn P on August 24, 2006, 5:58 pm
Absolutely correct.

The rated input should be clearly & permanently marked on it. Someone might
connect it to 400V otherwise...

> Friend of mine just had 400 AMP 3 phase put in his shop. It's 208 volts.
> He
> has a machine that says 230 Volts on the name plate. The machine has an
> autoformer in it for 208 or 230 volts. (The machine is actually 400 volts,
> it's from Italy, the autoformer bumps the input to 400 volts to run it.)
> The
> city inspector says he has to have the name plate re-stamped to read 208
> volts since that's what is actually connected to it. Anyone ever hear of
> this?
>
> Al
>
>



Posted by Mark Lloyd on August 24, 2006, 6:19 pm
wrote:

>Absolutely correct.
>
>The rated input should be clearly & permanently marked on it. Someone might
>connect it to 400V otherwise...
>

How about 208/230V?

>> Friend of mine just had 400 AMP 3 phase put in his shop. It's 208 volts.
>> He
>> has a machine that says 230 Volts on the name plate. The machine has an
>> autoformer in it for 208 or 230 volts. (The machine is actually 400 volts,
>> it's from Italy, the autoformer bumps the input to 400 volts to run it.)
>> The
>> city inspector says he has to have the name plate re-stamped to read 208
>> volts since that's what is actually connected to it. Anyone ever hear of
>> this?
>>
>> Al
>>
>>
>
--
Mark Lloyd
http://notstupid.laughingsquid.com

"Democracy is two wolves and a lamb voting on what
to have for lunch. Liberty is a well armed lamb
contesting the vote." - Benjamin Franklin

Posted by John on August 25, 2006, 4:40 pm
>
>>> Friend of mine just had 400 AMP 3 phase put in his shop. It's 208 volts.
>>> He
>>> has a machine that says 230 Volts on the name plate. The machine has an
>>> autoformer in it for 208 or 230 volts. (The machine is actually 400
>>> volts,
>>> it's from Italy, the autoformer bumps the input to 400 volts to run it.)
>>> The
>>> city inspector says he has to have the name plate re-stamped to read 208
>>> volts since that's what is actually connected to it. Anyone ever hear of
>>> this?

I don't know your city code, but that's a strange requirement. What is the
purpose of this label?

If there is a 110-120V fan in the shop, would your friend have to measure
the line voltage (let's say it is 118V) and relable the fan 118V? What if
the voltage drops to 116V during heavy load?

Maybe easier to just attach a voltmeter to each equipment.



--
Posted via a free Usenet account from http://www.teranews.com


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