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Folding@Home: 24 hour stats - February 18, 2009

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Originally posted by: GLeeM
Originally posted by: Markfw900
and my network printer
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My old color laser printer used to kick the breaker when it started printing (lots of other stuff on the circuit too).

They take a bit of juice to get going and warm up.
Click to expand...

Thats the funny part. It wasn;t printing, but shortly after I did print a few things, and it didn;t blow. Its just very odd. The printer is a Phaser 850, and does take a lot of juice.

Typical Power

Continuous printing 220 watts per hour

Idle 180 watts per hour
 
I love the Xerox Phaser solid ink laser printers! We have a few at work, and as long as we print 1500+ pages/month, we get them for free (we buy the ink blocks). I think one of them gets 8000pages/month. I hated when older toner printers would explode. So much cleaning...
 
It does seem like it shouldn't be any issue for 12 gauge wire to do 20 Amps. And your brother is right (IMO). Breakers do age and can develop 'hair triggers' over time. Especially after they have been tripped a few times.

Remember that if you run just slightly over 15 amps, a breaker can take anywhere from seconds to hours to trip. They only trip immediately when you are way over the setpoint. Home power circuit breakers are not precise devices.

-Sid

(If you can get to the wiring close to the box, touch the wire insulation. You should not feel any significant warming of the conductors.)
 
I do believe that your brother is correct Mark. If you were running close or at 15 amps on a 15 amp breaker, then it is becoming weak. It doesn't take long. Breakers and wire should be run at an 80% max per load. You should put a 20 amp breaker on a #12 wire and then with an 80% load rate will give you 16 amps. The reason for the percentage is to make sure that the wire and/or the breaker doesn't overheat.
 
Thanks Guys, I think that is what I will do. The breaker doesn't seem warm now, just after it has tripped.

Still odd that its so intermittant, when the load is so constant.
 
Originally posted by: Markfw900
Typical Power

Continuous printing 220 watts per hour

Idle 180 watts per hour
Click to expand...

Not sure what my watts were, but it did "sleep" so I think it was very low at idle, thus the surge at start of printing.

And after reading about breakers getting weak, I bet this is also my case!
 
Welcome Aboard GarmaZed!

It's great that you're going to be part of our TeAm

-Sid

And a BIG welcome to AnandTech as a whole. :beer:
 
Originally posted by: Insidious
Welcome Aboard GarmaZed!

It's great that you're going to be part of our TeAm

-Sid

And a BIG welcome to AnandTech as a whole. :beer:
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I agree and a warm welcome to the team! 🙂

 
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