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Discussion Starter #1
How long has it been NEC mandated for residential services to have one conductor grounded?
 

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Discussion Starter #3
I changed services from the '20's that were bonded to the water main. Originally required,don't know.
The oldest services I THINK I saw were late 30's and they were 2-wire one conductor was grounded.
 

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For the longest time, Services... and everything about them... was per the Poco.

It didn't hit EUSERC until 1945 -- and fatalities with the Brothers -- that they realized grounding was really an issue.

You can look through the back threads, but EUSERC got started when war plant were killing the Brothers.

Yes, it's that basic.

1945

It, the fiasco, was a learning experience for EVERY Electrical Engineer.

Yes, they had a massive con-fab over the fatality.

It was only after the confab that EUSERC was founded...

With SCE at the head of the list.

PG&E right along side.

EUSERC has spread across all of the Western States.

At a fundamental basis: EUSERC demonizes ungrounded Services.

You can get such a Service -- but ONLY upon application.

( Paper mills, chemical plants, etc. )
 

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Watt Pusher
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2,502 Posts
For the longest time, Services... and everything about them... was per the Poco.

It didn't hit EUSERC until 1945 -- and fatalities with the Brothers -- that they realized grounding was really an issue.

You can look through the back threads , but EUSERC got started when war plant were killing the Brothers.

Yes, it's that basic.

1945

It, the fiasco, was a learning experience for EVERY Electrical Engineer.

Yes, they had a massive con-fab over the fatality.

It was only after the confab that EUSERC was founded...

With SCE at the head of the list.

PG&E right along side.

EUSERC has spread across all of the Western States.

At a fundamental basis: EUSERC demonizes ungrounded Services.

You can get such a Service -- but ONLY upon application.

( Paper mills, chemical plants, etc. )
This IS a back thread. Just like every other thread these days it seems.

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