Re: Fire Wire Solid vs. Stranded

[ABLE1 <someone@xxxxxxxxxxx>]

On 10/30/2015 5:45 PM, doug wrote:
>
> "ABLE1" <someone@xxxxxxxxxxx> wrote in message
> news:NyPYx.23345$bG2.5135@xxxxxxxxxxx
>> Bob,
>>
>> I can see that THHN would be acceptable in conduit.  Back in the day most
>> older
>> schools had 120vac bells.  I pulled one a couple of years ago that
>> was that way.  There were just pull stations and they were a hot loop on
>> 120vac.
>> It was so old it had whiskers and a cane.
>>
>> It has always been my belief that you had to use solid since if using
>> stranded
>> you would have perfect supervision on just one strand if others were
>> broken.
>> But, then when it went into alarm that one strand could not handle the
>> load
>> and the system would fail.  With solid that would not happen.
>>
>> Les
>>
>
> This link explains when and why it was changed to allow stranded scroll down
> to Sec.760-71(a)
>
> http://ecmweb.com/content/illustrated-changes-1996-necode-part-4
>
>
> Doug
>

Thanks Doug,

Changed in 1996!!  Wow, that is very interesting.
Not that I will change my practice of installing solid, but I will now
not question anyone that does.  Well maybe I will a little bit.

Again thanks for filling in the blanks.

Give yourself a pay increase for excellent research abilities.

Les