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Date Posted: 08:45 07/16/05 Sat
Author: Arthur N Cotsonika
Subject: Re: Bonding Conductor for a hydromassage bathtub
In reply to: Dean Austin 's message, "Re: Bonding Conductor for a hydromassage bathtub" on 13:16 01/31/05 Mon

>>>>>At the December meeting there was a question during
>>>>>the code panel asking if the bonding conductor
>could
>>>>>be a 8 AWG stranded conductor or does it need to be
>>a
>>>>>solid conductor. Tom Lichtenstein stated that
>>section
>>>>>680.74 requires the conductor needs to be copper
>and
>>>>>not smaller than 8 AWG solid. I just wanted to get
>>>>>other thoughts.
>>>>
>>>>I can't see any "gray" in this Code section. I think
>>>>that the intent is to have the ampacity of a min. #8
>>>>and the structural integrity of a solid conductor
>>>I feel that the code says solid for a reason.
>>>Structual strength and resistance to any chemistry.
>>>The gage of wire is not for current carrying
>>>capabilities.
>>I agree with Phil and George. Their is a purpose for
>>a solid conductor in this application. The wording of
>>the code is quite clear. It states "solid" and how
>>can you interpret a stranded conductor out of the word
>>'solid'.
>According to 680.74 the words are "not smaller than" a
>#8 soild. This is a direct reference to size not
>conductor properties. I my opinion with no chemicals
>present a stranded conductor would meet the Code.


MRC 2003

Section E4104 Bonding

E4104.3 Methods of bonding.

1. Common Bonding Grid. The parts specified in
E4104.1 above shall be connected to a common bonding grid
with a solid copper conductor, insulated, covered, or bare,
not smaller than 8 AWG. Connection shall be made by ...

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