[SML] ground history

Stephen Litterst litterst.stagecraft at gmail.com
Mon May 17 12:02:50 UTC 2021


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



> On May 15, 2021, at 8:38 PM, Dan Sheehan via Stagecraft <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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