what type of extension cord for AC

HazyDays65

Active Member
so its safe as long as the cord is rated 15 A and i stay under like 25 ft? i think thats the shortest they might have 12... either should be fine?? Thanks for the help
Go with12ga if possible, 14 might get warm at 25 feet depending on extension cord . If you can hard wire a outlet even better.

Even most of those orange heavy duty looking extension cords are 16 and 14ga. Good luck
 

loftygoals

Well-Known Member
9000 BTU will use just under 10A at 110V.

You need 2.5mm (14 AWG) twin core and earth flex cable which will carry 27A upto 30m (98 feet) before you lose over 5% of your voltage. If you need more than 100 feet then you'd need 4mm (12 AWG) to keep your voltage up.
 

StashToker

Well-Known Member
9000 BTU will use just under 10A at 110V.

You need 2.5mm (14 AWG) twin core and earth flex cable which will carry 27A upto 30m (98 feet) before you lose over 5% of your voltage. If you need more than 100 feet then you'd need 4mm (12 AWG) to keep your voltage up.
Strait from the book. But I try to account for overpull and cords, so say 75 feet for residential receptacles.
 

SPLFreak808

Well-Known Member
Lmao, its an extension cord guys. They put the amperage rating on there so you guys dont need to worry about wire guage ect. Just simply pick the length you need and never take the cords load past 80% thats all.

You can have 2 15amp cords, one is 10ft the other is 30ft but both rated at 15a. Notice how the 30ft cord is thicker? They have already accounted for the rated amperage load by using heavier guage wire. As long as you have atleast 20% headroom then you will be fine.
 

Toaster D

Well-Known Member
I think you'll be pushing it. Two 1000w lights adding AC, any fans or dehumidifiers? Not to mention anything else that might be on the circuit in the bedroom. I know you have two outlets, but I just went through a similar incident with two myself.
 
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