One more thing about not meeting code. Check your insurance policy. If
you make a claim for damage and that damage was caused by something
illegal, e.g. not to code, they might be able to opt out of paying.
Peri
------ Original Message ------
From: "EVDL Administrator via EV" <[email protected]>
To: "Electric Vehicle Discussion List" <[email protected]>
Sent: 07-Mar-16 11:06:08 PM
Subject: Re: [EVDL] What You Need To Know To Wire A Garage EVSE
On 7 Mar 2016 at 14:36, Jan Steinman via EV wrote:
Y'mean like the cord and plug I wired to go into the dryer outlet¦
with a
15 kW generator on the other end? :-)
OK, now THAT'S a hazard.
I'm pretty middle of the road on electrical safety - not careless, but
not a
nervous nellie either. I've had plenty of shocks, and as far as I can
tell
they've only affected my brain, which I rarely need anyway. :-\
Still, I really try to be careful with stuff that can kill me (or
someone
else) if I do it wrong. And with this, you have to do everything
right, and
in the right order, and every piece has to work right, or really bad
things
can happen.
Chances are that 99.99% of the time it'll all go fine. It's what can
happen
that 0.01% of the time that bothers me. If something went wrong with
the
main breaker and it didn't open (it happens, though not often), or I
got
confused or distracted, it's bad enough that I could fry my inverter or
start a fire when the power came back on. It's much worse that I could
electrocute some lineman trying to get the power back on (or knock him
off
the pole or ladder with a shock).
The other thing that I wouldn't want to use is that double-male cable.
(I've
heard people call these "suicide cords." I call them "sticks sharpened
at
both ends.") Don't keep it with the extension cords!
It's not just me, though I know I can be pretty disoriented when I'm
half
asleep. If Margaret called me when I was away, asking how to get the
power
back on or put the house back on the mains, would I be able to get
every
step right to talk her through it without being there?
I use a Square D subpanel. It has two main breakers interlocked by a
steel
lever, so only one breaker can be on at a time. You feed one breaker
from
the mains, the other with your backup power. Anybody can use it
safely,
even in a dark cellar. It cost me less than $100 and was definitely
worth
it for the peace of mind.
Don't get me wrong, I think it's a great idea to use your EV (or a
batch of
former EV batteries) for household backup power. But if it doesn't cost
much
or take much effort to do it right, why do a hack job with a stick
sharpened
at both ends?
David Roden - Akron, Ohio, USA
EVDL Administrator
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