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PSU needing 2 wall outlets? - Page 4

post #31 of 36
Why install another receptacle. You could just buy a ups or surge protector. No need for more receptacles, unless you need them at different locations in the room.

If the circuits are dedicated which like Arctucas mentioned ( which I doubt ) crossed neutrals give nuisance tripping. This is rather common, at least in my experience when Home Owner's mess around in electrical panels.

I'm not sure about the Electrical Code in Canada but in some areas around here, you can get what is called a "piggy back breaker".
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post #32 of 36
Most manufactures make "twin" breakers, that is, two circuit breakers in one unit that fit a single space in the panel. You would still need to run three-wire cable (sized appropriately, of course) to each of the receptacles in question.

Also, the panel should be one rated to use twin breakers.

EDIT:

Big Frank beat me to it.
Edited by Arctucas - 2/2/11 at 3:11pm
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post #33 of 36
Thread Starter 
Well thanks all, helped with some issues.
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post #34 of 36
Quote:
Originally Posted by BigFrank View Post
I don't know if they auto sensor. They would require some type of smart ballast inside the PSU. But most are rated 120/240v.
Power supplies with active PFC have a DC-DC converter between the bridge rectifier and primary charge capacitor, which boosts whatever the input voltage is (~80VDC to ~220VDC, corresponding to 90VAC to 240VAC) to about 400VDC before it hits the primary switchers.
post #35 of 36
Quote:
Originally Posted by kiwwanna View Post
My base board heaters have 240V going into them. last year I got geothermal heating uints and no longer use the 240v (capped in the walls) but I'm not sure how the plugs work and how or what outlet I'd have to wire.
Its pretty easy to convert it to a usable 240v plug. Just make sure breakers are turned off. Purchase a 240v socket-

Uses two hots and one ground.
Then purchase the appropriate cable to hookup to the psu-

Your psu will be run a little more efficiently and there will be no more popped breakers. But if in doubt contact a electrician!
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post #36 of 36
you will most likely have to run an extra hot from your panel to achieve 240V. you cant simply install a NEMA 6-15R receptacle without providing 2 hots. You would have to install one of these piggyback breakers or a regular 2 pole 15amp breaker. Since this is 120/240v you can not share neutrals like in a 3phase system. If you use the piggaback breaker, you can use the existing neutral as a hot since NEMA 6-15p just has 2 hots and a ground without a neutral. This would avoid running new wire to the receptacle location. BTW your breaker should not be tripping with your computer on. I would only put a max of 7-8 receptacles on a single 15amp breaker.
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