Re: [RE-wrenches] Remote battery disconnects

2023-02-03 Thread jay via RE-wrenches
As 480.7(B) says single and double homes, that going with the mike holt literal interpretation to me says that even if you have a remote power shed it would still require the remote disconnect. As that section doesn’t say that the power system is in the house or not. (A) doesn’t apply as the b

Re: [RE-wrenches] Remote battery disconnects

2023-02-03 Thread Jason Szumlanski via RE-wrenches
The visible load break disconnect thing really needs to die. We no longer have problems with AHJs, but both of our local utilities still require them for PV systems over 10kWac (after a short stint where they were not required). It's a bizarre requirement and actually creates a potential safety pro

Re: [RE-wrenches] Remote battery disconnects

2023-02-03 Thread August Goers via RE-wrenches
It’s been fun watching this (at times) rather lively discussion. It’s been making me think about the differences between NEC 480 Storage Batteries vs 706 Energy Storage Systems. If I can boil it down, it seems like the offgridders are frequently working with systems that are custom assembled inclu

Re: [RE-wrenches] Remote battery disconnects

2023-02-03 Thread Jason Szumlanski via RE-wrenches
Just a quick comment about flipping breakers randomly. This also applies to AC-coupled systems. There should be zero risk of flipping breakers in random order. These devices are there to prevent overcurrent and disconnect circuits safely under load. If there is a specific order in which breakers mu