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Author Topic: Power Cords  (Read 485 times)
chume
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January 10, 2012, 01:38:33 AM
 #1

I have just replaced the power cord on my mining system. It has 2 5770's, a 5850, and a 5670. I am using a 760 watt psu. This is the old power cord.





It was brittle.
What did i do wrong?
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KingLinkTiger
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January 10, 2012, 01:50:23 AM
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Without knowing the complete circumstances of how it broke I would speculate that it could be a faulty cord. I can only think of plastic/rubber getting brittle when exposed to cold, is your miner located in some place that is extremely cool? (ie outside or basement)
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January 10, 2012, 01:57:44 AM
 #3

watts divided by volts gives amps
thus your cord load would be (maximum)
760 / 120 if american = 6.333amps
760 / 240 if other = 3.166amps

cord not overload or heat up, cord (should) handle 10amps easily



another thought is - that plastic goes brittle if exposed to UV (sunlight, hydroponic rig, etc) or other BPA leeching substances like harsh chems (bleach etc)
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January 10, 2012, 02:15:18 AM
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another thought is - that plastic goes brittle if exposed to UV (sunlight, hydroponic rig, etc) or other BPA leeching substances like harsh chems (bleach etc)
only thing I can think of. The cord appears to be in fairly standard household conditions. I'd assume it's been in direct sunlight for a long time.

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January 10, 2012, 02:36:26 AM
 #5

Power chord =  Root + 5th

Por ejemplo, C natural y G natural

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