actually Ive been told its the other way.Originally posted by: Gillbot
I do it. I've been told you can use the power strip coming out of the UPS but never attach the power cord of a UPS to a power strip or surge supressor.
EDIT: Then again, I have a frankenstein "homeade" UPS also so the manufacturer would me me.
I use these: http://www.tractorsupply.com/w...oducts/600/3223657.jpgOriginally posted by: LOUISSSSS
so there really is no way to get more available outlets out of my battery-backup UPS?
other than getting another one?
This will not happen. An MOV's function is not as a switch, not an on-off device. The MOV continuously shunts current from all voltages over it's rated voltage spec (well above 120V), which it should (for correct function of the surge protector) be doing from the UPS output too if the UPS output voltage is above that value. Voltages below it's spec will not be shunted. Obviously I am only thinking of a 110VAC mains line, the MOV will of course be equivalently higher in voltage spec on 220V lines, surge-strip (& UPS) made for those geographic markets.Originally posted by: VirtualLarry
My understanding is that if there is a voltage spike, and you have a surge strip connected to the battery outputs of the UPS, then the UPS will switch to battery (with a small delay), while the surge strip activates its MOVs inside, which attempt to shunt the voltages to ground. However, since it is plugged into the output of the inverter, it ends up shorting out the inverter too! Thus putting a strain on the UPS, overloading it, or possibly even damaging it.
Originally posted by: LOUISSSSS
what i was planning on connecting to it ISN'T a surge protector. more like a power strip; in particular the Monster Power "Outlets to go 3" http://www.amazon.com/Monster-...werstrip/dp/B000ONZTMW.
it clearly says that it isn't a surge protector.
will this be fine to connect to a UPS outlet?
It's possible but unlikely for the sizes of MOVs we'd see in a consumer class UPS or surge protector to fail shorted and then continue to be a short in a live mains AC circuit. If the high voltage current kept flowing the heat density would make it fracture apart, if the current hadn't already tripped the circuit breaker or fuse that even a non-surge protector outlet strip should have. It might be more of a factor with a more current limited supply like that from a smaller UPS, but any UPS working properly (besides this new short) should gracefully shut down if overloaded like this. I may be idealizing too much, there's a lot of junk out there but your typical $50 APC UPS would.Originally posted by: Zepper
There is the potential for an MOV in the strip to fail (supposed to fail in open mode, but can occasionally fail in shorted mode).
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