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Does home electric wiring have anything to do with the wattage my computer pulls? - Page 3

post #21 of 27
I don't know...

If a heat gun (or hair dryer) causes the lights to dim in your house (or even in one room) I suggest that you inspect the breakers in your house; it is a possibility that your breakers are weakening. Unless you are performing interrogations in the basement using outlets of light sockets, nothing in your house should dim unless the house is woefully out of code.

I worked as an electrician years ago before I returned to the BDU's....

Anywho...

I would recommend on of these:



This model is discontinued, but I have two of these running my desktops at home. One day the power went out, and I didn't even realize it. Then the Back Up alarm started sounding and I had to shut down my work until the power came back on.

My son on the other hand, went beserk... since he didn't plug his monitors into the Back Up, they went black.He had to plug his monitors in to save his data shut down his computer.
    
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post #22 of 27
Australia has 240v/50hz service with standard outlets rated at 15, 20, 25 and 32 amps...

at 240v/50hz, 15A is more than 2400w... but yes, duckie is right on the use of the word Circuit, as the duplex receptacles are not independently powered...
Edited by LiNERROR - 3/12/11 at 11:32pm
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post #23 of 27
Quote:
Originally Posted by DuckieHo View Post
Doubtful. Each wall socket does not have a dedicated 12AWG wiring and breaker.

You might mean 2400w from a standard a circuit.
That's probably what I mean, I'm no electricion
post #24 of 27
Make sure you are on a circuit breaker with a minimal amount of other high-amperage devices and you should be fine.
Edited by PhillyOverclocker - 3/13/11 at 9:25am
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post #25 of 27
Quote:
Originally Posted by joemaniaci View Post
Depends on if your house is up to code, on whether or not it can do it safely. I think there are some areas where an outlet only has to allow 10 amps, but 15 amps should be for most outlets. The fact that a hairdryer can cause the lights around the house to go dim is a bad sign. Last place I lived I RMA'ed a motherboard a month and it did the same thing, but with the washer and dryer. Since moving out of there, no power related issues since.

Now if when she turns on the hairdryer, justthe bathroom lights dim, then hopefully it is a localized issue. Which is probably normal since I wouldn't be surprised if bathroom outlets deliver less amperage for water safety reasons.
Per N.E.C., bathrooms are required to have a GFCI receptacle on a dedicated 20 Ampere circuit.
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post #26 of 27
Quote:
Originally Posted by LiNERROR View Post
In the USA, and other places with 60hz 120v service, a 15 amp circuit can carry only a total of 1440 watts before the breaker trips which is 80% capacity... A 20 amp circuit can carry only a total of 1920 watt... with 220v supplies being able to pull up to 2880 and 3840...



this is where your efficiency comes in... your 80% rated PSU requires 1200w AC to product 1000w DC... so you'd be looking at 825w for that 750w MAX load...

your average hear dryer is around 1200-1400 watt... the bathroom light is on the same circuit normally as the outlet... i would hope your PC is not on the same one...
Actually, a 20 Ampere breaker will trip at 20 Amperes.

Circuits must be rated at 125% of continuous load (three hours or more) which means the breaker must be rated at 80% of the conductor ampacity.
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post #27 of 27
Quote:
Originally Posted by Arctucas View Post
Per N.E.C., bathrooms are required to have a GFCI receptacle on a dedicated 20 Ampere circuit.
lol, I bet that is specifically in place for hair dryers.
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