Re: Liability & responsibility of electrician?

>>>
>>>>
>>>>
>>>>>The voltage declared indicates that the service is, indeed, delta.
>>>>
>>>>Nonsense. 245VAC could *easily* be a [nominal] 240V single-phase service.
>>>
>>>Yes, it could be, but we're talking about industrial machinery, generally
>>>powered by three phase. I have serious doubts that a single phase CNC
>>>would contain a $4,000 board when you can buy the machines for that amount
>>>of money.
>>>
>>>I'm convinced the wiring in question is three phase. The only remaining
>>>question is whether it's delta or wye. Considering wye reads 208 volts leg
>>>to leg, I'm pretty sure its delta. You?

>>
>>
>> The point is that a measurement of 245V, in and of itself, is not proof of
>> 3-phase delta service. I measure 243V between the two legs of my residential
>> service, and I'm quite sure that it's only single-phase.

>How ever, it is most likely originating from a 3 phase source via a
>single phase xformer.

What's that got to do with the price of oats in China?

Posted by Jamie on July 8, 2009, 7:51 pm

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krw wrote:

> On Wed, 08 Jul 2009 18:39:31 -0400, Jamie
>
>

>>Doug Miller wrote:
>>
>>

>>>
>>>
>>>>
>>>>
>>>>>
>>>>>
>>>>>
>>>>>>The voltage declared indicates that the service is, indeed, delta.
>>>>>
>>>>>Nonsense. 245VAC could *easily* be a [nominal] 240V single-phase service.
>>>>
>>>>Yes, it could be, but we're talking about industrial machinery, generally
>>>>powered by three phase. I have serious doubts that a single phase CNC
>>>>would contain a $4,000 board when you can buy the machines for that amount
>>>>of money.
>>>>
>>>>I'm convinced the wiring in question is three phase. The only remaining
>>>>question is whether it's delta or wye. Considering wye reads 208 volts leg
>>>>to leg, I'm pretty sure its delta. You?
>>>
>>>
>>>The point is that a measurement of 245V, in and of itself, is not proof of
>>>3-phase delta service. I measure 243V between the two legs of my residential
>>>service, and I'm quite sure that it's only single-phase.

>>
>>How ever, it is most likely originating from a 3 phase source via a
>>single phase xformer.

>
>
> What's that got to do with the price of oats in China?

I don't know about oats, but I hear the price of rice is up!

Posted by krw on July 8, 2009, 9:16 pm

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On Wed, 08 Jul 2009 19:51:13 -0400, Jamie

>krw wrote:
>

>> On Wed, 08 Jul 2009 18:39:31 -0400, Jamie
>>
>>

>>>Doug Miller wrote:
>>>
>>>
>>>>
>>>>
>>>>>
>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>The voltage declared indicates that the service is, indeed, delta.
>>>>>>
>>>>>>Nonsense. 245VAC could *easily* be a [nominal] 240V single-phase service.
>>>>>
>>>>>Yes, it could be, but we're talking about industrial machinery, generally
>>>>>powered by three phase. I have serious doubts that a single phase CNC
>>>>>would contain a $4,000 board when you can buy the machines for that amount
>>>>>of money.
>>>>>
>>>>>I'm convinced the wiring in question is three phase. The only remaining
>>>>>question is whether it's delta or wye. Considering wye reads 208 volts leg
>>>>>to leg, I'm pretty sure its delta. You?
>>>>
>>>>
>>>>The point is that a measurement of 245V, in and of itself, is not proof of
>>>>3-phase delta service. I measure 243V between the two legs of my residential
>>>>service, and I'm quite sure that it's only single-phase.
>>>
>>>How ever, it is most likely originating from a 3 phase source via a
>>>single phase xformer.

>>
>>
>> What's that got to do with the price of oats in China?

>
>I don't know about oats, but I hear the price of rice is up!
>

I figured that you were talking through your ass again.

Posted by Jamie on July 9, 2009, 6:14 pm

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krw wrote:

> On Wed, 08 Jul 2009 19:51:13 -0400, Jamie
>
>

>>krw wrote:
>>
>>

>>>On Wed, 08 Jul 2009 18:39:31 -0400, Jamie
>>>
>>>
>>>
>>>>Doug Miller wrote:
>>>>
>>>>
>>>>
>>>>>
>>>>>
>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>The voltage declared indicates that the service is, indeed, delta.
>>>>>>>
>>>>>>>Nonsense. 245VAC could *easily* be a [nominal] 240V single-phase service.
>>>>>>
>>>>>>Yes, it could be, but we're talking about industrial machinery, generally
>>>>>>powered by three phase. I have serious doubts that a single phase CNC
>>>>>>would contain a $4,000 board when you can buy the machines for that amount
>>>>>>of money.
>>>>>>
>>>>>>I'm convinced the wiring in question is three phase. The only remaining
>>>>>>question is whether it's delta or wye. Considering wye reads 208 volts

leg

>>>>>>to leg, I'm pretty sure its delta. You?
>>>>>
>>>>>
>>>>>The point is that a measurement of 245V, in and of itself, is not proof of
>>>>>3-phase delta service. I measure 243V between the two legs of my

residential

>>>>>service, and I'm quite sure that it's only single-phase.
>>>>
>>>>How ever, it is most likely originating from a 3 phase source via a
>>>>single phase xformer.
>>>
>>>
>>>What's that got to do with the price of oats in China?

>>
>>I don't know about oats, but I hear the price of rice is up!
>>

>
> I figured that you were talking through your ass again.

That's a matter for opinion and apparently, yours don't count!

Posted by krw on July 9, 2009, 7:56 pm

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On Thu, 09 Jul 2009 18:14:53 -0400, Jamie

>krw wrote:

>> On Wed, 08 Jul 2009 19:51:13 -0400, Jamie
>>
>>

>>>krw wrote:
>>>
>>>
>>>>On Wed, 08 Jul 2009 18:39:31 -0400, Jamie
>>>>
>>>>
>>>>
>>>>>Doug Miller wrote:
>>>>>
>>>>>
>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>>The voltage declared indicates that the service is, indeed, delta.
>>>>>>>>
>>>>>>>>Nonsense. 245VAC could *easily* be a [nominal] 240V single-phase service.
>>>>>>>
>>>>>>>Yes, it could be, but we're talking about industrial machinery,

generally

>>>>>>>powered by three phase. I have serious doubts that a single phase CNC
>>>>>>>would contain a $4,000 board when you can buy the machines for that

amount

>>>>>>>of money.
>>>>>>>
>>>>>>>I'm convinced the wiring in question is three phase. The only remaining
>>>>>>>question is whether it's delta or wye. Considering wye reads 208 volts

leg

>>>>>>>to leg, I'm pretty sure its delta. You?
>>>>>>
>>>>>>
>>>>>>The point is that a measurement of 245V, in and of itself, is not proof of
>>>>>>3-phase delta service. I measure 243V between the two legs of my

residential

>>>>>>service, and I'm quite sure that it's only single-phase.
>>>>>
>>>>>How ever, it is most likely originating from a 3 phase source via a
>>>>>single phase xformer.
>>>>
>>>>
>>>>What's that got to do with the price of oats in China?
>>>
>>>I don't know about oats, but I hear the price of rice is up!
>>>

>>
>> I figured that you were talking through your ass again.

>
> That's a matter for opinion and apparently, yours don't count!

That is a matter of fact, though you wouldn't know a fact if it bit
you where you talk.

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