gerry wrote:
Toller wrote:
The meter has to be for more than 30a; the smallest feed I have ever
heard
of is 60a (but your utility could tell you for sure).

FWIW, some house built in the 1940's had 30A.


I haven't seen a post by the originator clarifying this but the original
post indicated a separate meter for hot water. Such was used on occasion
with a timer for off peak rates. The upper element would be powered by the
regular service and the lower element (bulk heating) by a timer controlled
service feed. We can't know the configuration from here, just guess.

Any water heating with a 30 Amp service would be pretty far fetched. Hard
to believe the lights work!


gerry

I have no idea what amperage the feed is. The shut-off I'm replacing
currently has two, 30a fuses [an electrician I talked to called it a
"double-30" and said it was more of a precaution as most water heaters
these days require a 30a breaker.

Ryan