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Old 01-17-2012, 06:50 AM   #1
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two industrial ceiling fans on one switch


trying to get two Hampton Bay Industrial 60"ceiling fans to run on one: "FAN 4 SPEED CONTROL" the second fan runs slower than the first. tried series and parallel - same effect. each fan is 1.2 amps. used 14-2. granted: the control reads: "for one fan only" but for many years i've had the same setup in another section of my building that works perfectly fine: same two Hampton Bay Industrial 60" fans - same control ("for one fan only"). i'm thinking the control is faulty and or i should have used 12-2 wire? any ideas? thank you arusillon

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Old 01-17-2012, 07:29 AM   #2
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two industrial ceiling fans on one switch


Faulty control won't make one fan slower than the other. Faulty control should have same effect on both fans. More likely wiring issue or fan issue.

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Old 01-17-2012, 09:05 AM   #3
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two industrial ceiling fans on one switch


Make sure the speed control on each fan is set to high.
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Old 01-17-2012, 01:13 PM   #4
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two industrial ceiling fans on one switch


i worked on the fans a little while ago: took the control off and used a regular toggle switch and realized the fan further away was on reverse!? (can't believe didn't notice that before!) switched it over and then low and behold the other was reversing!? i switched that one and now they are both blowing down and both at the same speed. (i believe i have them wired in series now). with the toggle switch i can get them to blast pretty good but when i put the 4 speed fan control back on it seems i can only get high and low, and the high is not as high as with the toggle switch. my first question is: should i have used 12-2 instead of 14-2? and how can i have this exact same system in another section of my building that works like a champ!? at this point i must get up on a tall ladder and check to see if i was using 12-2 in that old system..? confusidely yours, ar
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Old 01-17-2012, 04:57 PM   #5
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two industrial ceiling fans on one switch


You must use the correct size wire for the circuit breaker that supplies this circuit. If it's a 20A circuit, you must use #12 wire. If it's a 15A, you can use #14. This does not affect the normal operation of the fans; it's a safety issue. The problem is that you must wire them in parallel. All loads in a building are wired in parallel, always. Always.
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