[Woodworkers] OT-Electrical

[John McCaskill via Woodworkers]

Thanks, Steve. 

Good answer. I'll keep that in mind when I replace mine. 

John


A life? Cool! Where can I download one of those from?


On Aug 2, 2017, at 1:05 PM, Brandon Jackson <mrjackson at gmail.com> wrote:

> Is the UPS shutting off or going in to battery mode?
> If it's shutting off you need a new UPS as the batteries are shot.
> If it's going into battery mode you may be able to adjust the sensitivity of the cut over voltage.
> 
> Your printer is drawing a lot of power at power on, they all do. This is causing a voltage drop (you probably see the lights dim if they're on the same circuit) just enough for the UPS to think it's a power loss or brownout and it switches to battery.
> 
>> On Wed, Aug 2, 2017 at 1:16 PM, John McCaskill via Woodworkers <woodworkers at lists.sawdusters.org> wrote:
>> Curious. Why isn't a 500 VA UPS OK? In my case it has to power only the computer and monitor for less than a minute before my natural gas generator and transfer switch automatically kicks in, so run time is really not a factor for me. 
>> 
>> Are they less reliable, more cheaply built, don't have a life as long as a 1000 or 1500 VA unit? Or is it just the capacity? 
>> 
>> I have my inkjet printer plugged into a separate 300 VA UPS. 
>> 
>> John
>> Everything is always okay in the end, if it's not, then it's not the end.
>> 
>>> On Aug 2, 2017, at 11:49 AM, Steve Bigelow via Woodworkers <woodworkers at lists.sawdusters.org> wrote:
>>> 
>>> No, you don't need a larger circuit breaker. It isn't tripping, so putting a new one in isn't going to help.
>>> 
>>> Do you have the printer plugged in to the UPS? If so, plug it in directly into the wall. You really don't want your printer on your UPS anyway.
>>> 
>>> I have to assume that you are far away from your breaker box...
>>> 
>>> I'm also guessing you have a 375VA or 500VA UPS. Those aren't really worth the $30 -$50 that they cost. You want a 1,000 or 1,500 VA UPS. Even that isn't big enough if you have a laser printer plugged in to it.
>>> 
>>> Regards,
>>> -Steve
>>> 
>>>> On Wed, Aug 2, 2017 at 9:20 AM, Thomas E Lovelace via Woodworkers <woodworkers at lists.sawdusters.org> wrote:
>>>> Of course, a USP is just a UPS in hiding!
>>>> TomL
>>>> > On Aug 2, 2017, at 11:14 AM, Thomas E Lovelace via Woodworkers <woodworkers at lists.sawdusters.org> wrote:
>>>> >
>>>> > I just bought a Brother BW laser printer.
>>>> > Works great !
>>>> > EXCEPT:  when I first turn it on, and a USP is also on line, the UPS will turn off.
>>>> > After turning it back on while the laser is on, all runs well.
>>>> > Seems that the initial power on of the laser  is a bit much for the 15 amp circuit breaker?
>>>> > QuestionL can I swap the 15 amp CB for a 20 amp unit. I realize that the size wiring might be just a tad small for a continuous 20 amp load but the actual load is no where that high . Just for the instant the laser comes on.
>>>> > Can I make the CB swap?
>>>> > Appreciate an opinion from the experts here!
>>>> > Thanks
>>>> > TomL
>>>> > _______________________________________________
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