Thanks for the advice everyone. These would be sealed AGM batteries. The access
issues are definitely food for thought.
Cheers,
Jerry
On Wednesday, August 1, 2018, 10:30:36 PM PDT, Ray <[email protected]>
wrote:
Never laid on my stomach, I just have kneel pad I use for lots of stuff but it
works good here too. I never get my face that close to the battery any way.
Usually 2 to 3 ft is good.
Ray Walters
Remote Solar
303 505-8760 On 8/1/18 2:21 PM, Glenn Burt wrote:
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Interesting idea, but it looks like to service them you would have to lay on
your stomach and get your face right in there? Not my idea of a good time!
-Glenn
From: RE-wrenches <[email protected]> On Behalf Of Ray
Sent: Monday, July 30, 2018 3:32 PM
To: [email protected]
Subject: Re: [RE-wrenches] Batteries in 4' tall crawl space
Article 110.26 covering clearances in front of electrical equipment applies. I
worked on a couple like that, and I didn't like it. Very hard to move the
batteries, and Combined with H2S, you are in what OSHA considers a confined
hazardous space.
Another way to use that crawl space is to build a trap door access from the
floor above. This can work really nicely, and put the batteries right under
the inverter without violating article 110.26. I think I saw a system that
either Allan Sindelar or Windy Dankoff did like that. I've tried it a few
times, and everyone (customers and inspectors) was happy. Here's a pic of some
HUPs in a floor vault just below the inverter:
Ray Walters Remote Solar 303 505-8760
On 7/30/18 8:37 AM, Dana wrote:
Safe working clearance is 6’-8”.
I have been confronted with this issue in the past taking over other’s systems
care. This is a head banger & a major safety issue if something goes bad. If
the batteries are 18-20” tall that only leaves anther 28-30” between bottom
side of the floor joist & the top of the battery. Your face is way too close to
a battery esp. if there is an issue to address.
The installation is bent over back-heavy move situation. I am assuming you have
a dirt or gravel floor to move across?
It seems like a good use of space up front but the reality of the install
plagues you down the road.
If it is WLA batteries it is the worst of situations.
Even if this is not inspected, please avoid this situation.
----------------------------------------------------------------------------
Dana Orzel Great Solar Works, Inc.
C - 208.721.7003 [email protected]
Idaho Contractor - # 028765 Idaho PV # 028374
NABCEP # 051112-136 www.solarwork.biz
"Responsible Technologies for Responsible People since 1988"
P Please consider the environment before printing this email.
From: RE-wrenches <[email protected]> On Behalf Of
Jerry Caldwell
Sent: Saturday, July 28, 2018 6:10 PM
To: [email protected]
Subject: [RE-wrenches] Batteries in 4' tall crawl space
Wrenches,
I have a customer who wants to have batteries installed in a 4' tall crawl
space / short basement. Are there any accessibility code issues with installing
batteries in a crawl space? Does the NEC address this?
Thanks,
Jerry Caldwell
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