RE: NFPA 70 And the 125% Rule

"Lew Hodgett" <[email protected]> wrote in news:539d11cd$0$59816$c3e8da3
[email protected]:

> Having been challenged about the 125% rule when sizing circuits,
> and being too damn lazy to chase it down in NFPA 70 myself,
> passed the challenge along to my son who hasn't acquired many
> of his father's habits, YET.
>
> He is still a relative young-in at 52 so there is still time<G>.
>
> His response as follows:
> -----------------------------------------------------
> Regarding your concern about the 125% rule, this is covered in the
> code.
>
> See 210.19(A)(1)(a), and 210.20(A).
> ----------------------------------------------------

Which apply -- as I have repeatedly explained to you -- only to circuits supplying
*continuous* loads. These sections do not in any way support your contention that *any*
breaker contained in an enclosure is subject to the 125% rule.

On 6/14/2014 11:24 PM, Lew Hodgett wrote:
> Having been challenged about the 125% rule when sizing circuits,
> and being too damn lazy to chase it down in NFPA 70 myself,
> passed the challenge along to my son who hasn't acquired many
> of his father's habits, YET.
>
> He is still a relative young-in at 52 so there is still time<G>.
>
> His response as follows:
> -----------------------------------------------------
> Regarding your concern about the 125% rule, this is covered in the
> code.
>
> See 210.19(A)(1)(a), and 210.20(A).
> ----------------------------------------------------
> Have fun.
>
> Lew
>
>
>
>
>
>
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Wow Lew, Regarding your concern... that's a little tight... this is your
son, or a co-worker?

--
Jeff