Mark or Sue wrote:

"Generic Male Homosapien" wrote in message
...

Why not just add another breaker box next to that one. One that will
hold a dual breaker for your 220. Of course you will have to tap off
the main to get the power to that box, and unless you know what you
are doing, you might want to hire an electrician for at least that
part of the job.


I think this is the best answer. Challenger breakers are no longer made.
They may have ceased before the twin breakers were even available. You can
buy listed "classified replacements" from Cutler-Hammer (their CL line I
think). To do this legally, you need to use twin breakers that are listed
for your panel. I don't think you'll find any, but there are many that will
fit (Siemens, GE, CH-BR). But just because they fit doesn't mean they won't
catch on fire.

Good point about the unavailabilty of "legal" twin breakers for the Challenger.

Put in another 8 or 16 slot panel next to the one you have and feed it with
6-3 on a 60A breaker. You'll have to move two breakers from the existing
panel to this sub to free up space for the 60A double pole.

Sounds like the best approach and fairly simple to do.

Good job on the load calculation, looks like you did it right. You do not
need a larger service at this time, but a hot tub will put you over.

Thanks. I like to know what I have even if I eventually call in an electrician
to do the job.

--
Mark
Kent, WA