On 12/10/2013 7:54 PM, Danny D'Amico wrote:
On Tue, 10 Dec 2013 20:54:12 -0600, Irreverent Maximus wrote:

Some units will use a cord plugged into a receptacle. Usually
this is only for control voltage, but in his case the control
power supply also powers the blower.

The electrical code in the US demands that the furnace have
a permanent connection to the power source...no plugs allowed.
But when I asked the electrical inspector if I could put a plug
on it so I could run it from a generator, he said, "no problem".
The electrical code is very strict...except when it isn't.


He might have a disconnect
that he has not noticed. Usually this is required, but if in
eyesight of the panel I don't think it is in this case.

I'll look again tomorrow, by following the power wires, to see
where they go - and if there is a shutoff switch that I didn't
see yet.

It's dark and cold downstairs now, so I'll wait for daylight where
I can snap better pictures for you.