Greetings Anthony (et al), For more information on American Wire Gauge (AWG) and its current capacity my go-to is a book called Reference Data for Radio Engineers.
Sadly my copy was lost in a fire several years ago. Regards Paul On Fri, Dec 19, 2025, 17:38 Rubin Bennett (he/him) < [email protected]> wrote: > I'm going by memory here and I am most definitely not an electrical > engineer. > > Short version is the inverter is the magic in the equation, and it will > limit its draw on the batteries to what the whole package is engineered for > (including battery leads). The inverter determines the draw on the > batteries and will insulate the battery leads from bursts that would > overheat them, generally using capacitors. Like a PSU in a server or > workstation, the rating is for bursts not sustained output, and the way > they handle busts is (usually) capacitors. > > > Sent from my mobile device, please excuse any typos! > ------------------------------ > *From:* Vermont Area Group of Unix Enthusiasts <[email protected]> on > behalf of Anthony Carrico <[email protected]> > *Sent:* Friday, December 19, 2025 4:51:07 PM > *To:* [email protected] <[email protected]> > *Subject:* Re: UPS wire gauge on a windy day > > On 12/19/25 16:25, Paul Flint wrote: > > Dear Anthony, > > > The batteries are capable of AMPs well in excess of 40 AMPS, but not for > > long. > > True--I guess time (and short wires) must be the key. They spec it at > full power for 2.3 min (and it will produce 33BTU heat during that > time). Somebody must allow you to pull (up to) 62.5Amps through 12AWG > wire for 2.3 min with that amount of heat. I wonder where that is > written down? > > -- > Anthony Carrico >
