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Use two 15 amp CBs for 240 VAC circuit?

FTG-05

Well-known member
Joined
Oct 11, 2012
Messages
1,550
Location
TN
I need a 15 amp 240 VAC circuit for my 3' shop exhaust fan. My local (Madison, AL) does not carry 2 pole 15 amp CBs for my box, but they do carry 15 amp single CB (half size). The switch handles have a small hole already cut into them where it appears you can tie the two breakers together with a small bolt.

The fan requires 6 amps at 240 VAC but is convertible to 120 VAC, but I'd prefer to run it at 240 VAC, if possible - and safe! I have plenty of open CB slots in my shop CB box. I plan to use 14/2 with ground for the wiring.

Can I tie the two switch handles together or should I special order a 2 pole 15 amp CB for this box?

Thanks,
 
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ddawg16

Well-known member
Joined
Jul 11, 2008
Messages
21,005
Location
S. California
I need a 15 amp 240 VAC circuit for my 3' shop exhaust fan. My local (Madison, AL) does not carry 2 pole 15 amp CBs for my box, but they do carry 15 amp single CB (half size). The switch handles have a small hole already cut into them where it appears you can tie the two breakers together with a small bolt.

The fan requires 6 amps at 240 VAC but is convertible to 120 VAC, but I'd prefer to run it at 240 VAC, if possible - and safe! I have plenty of open CB slots in my shop CB box. I plan to use 14/2 with ground for the wiring.

Can I tie the two switch handles together or should I special order a 2 pole 15 amp CB for this box?

Thanks,

What do you mean by half size? As in half the width so you can get 2 breakers into one slot? If so, this will not give you 240Vac. You have to span 2 slots to get 240Vac.
 
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