Do not put a circuit breaker in a battery box if you have ever seen one in
anger in a dark room they can toss a good set a flaming sparks out that arch
chute !
Not good in a battery box!
A class T fuse bolted on to a terminal is safe, from my understanding they
don't throw a spark when they bu
Also, I think working clearance requirements are relaxed.
Very sensible. Battery packs present a potential for serious problems in the
event of an uninterrupted fault.
IMHO, in the US, we already have far too many complicated code rules on PV
systems. But for battery systems, this exception i
The only problem I've seen was due to a sloped hillside and a riding
lawnmower projectile. These modules are what refer to as the "Cadillac" of
modules. If you have a chance to use them, you should.
On Sun, Aug 10, 2014 at 10:54 AM, Rebecca Lundberg <
rebecca.lundb...@powerfullygreen.com> wrote
Drake,
It seems the code is providing some flexibility for the location of OCPD in
battery circuits. Placement "as close as practicable to the storage battery
terminals" is ok even if that is in an enclosed space (say a battery box) where
the possible accumulation of flammable gases may occur.
Dic
Hi Jesse,
I'm curious about what you are seeing. We've seen better performance than
that on arrays with those modules, but don't have module-level monitoring
available on any of our systems. Does it look like there is a bipass diode
failure with the shattered modules (probably covered under warran
Hello Wrenches,
I'm studying the NEC for a rectification exam, and came across this
little gem. Can anyone explain what the following code rule is saying
from 240.21 H, (Overcurrent Protection, Location in the circuit)?
(H) Battery Conductors. Overcurrent protection shall be
permitted to be i
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