[SML] ground history

[Stuart Wheaton]

That is GFCI, not just  regular 3 wire edison outlet.

Stuart Wheaton

On 5/17/2021 5:30 PM, Bill Conner via Stagecraft wrote:
> I don't know but 
> https://forum.nachi.org/t/gfcis-code-changes-history-chart/11786 
> <https://forum.nachi.org/t/gfcis-code-changes-history-chart/11786> 
> seems to say later than 60's.
>
> On Mon, May 17, 2021 at 8:05 AM Stephen Litterst via Stagecraft 
> <stagecraft at theatrical.net <mailto:stagecraft at theatrical.net>> wrote:
>
>     Early' 60s, I want to say '63.  It was a year or so before
>     aluminum wire was introduced for residential wiring.
>
>     I learned this when I bought a house from the era and the
>     inspector was pleasantly surprised to find ground wires and copper
>     wiring.
>
>
>     Stephen Litterst
>     ETCP - Certified Entertainment Electrician
>     slitterst at gmail.com <mailto:slitterst at gmail.com>
>
>
>
>     > On May 15, 2021, at 8:38 PM, Dan Sheehan via Stagecraft
>     <stagecraft at theatrical.net <mailto:stagecraft at theatrical.net>> wrote:
>     >
>     > Anybody know when codes started to require
>     > "Edison" outlets be 3-wire including green wire ground,
>     > as opposed to the former 2-wire hot&neutral only ?
>     > --
>     > ...Dan Sheehan
>     > Fixer of things that break
>     > TD Walpole (MA) Footlighters
>     >
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> -- 
> Bill Conner Fellow of the ASTC
>
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