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#113300 - 09/28/04 05:02 PM running 240v baseboard heater on 120v
convert240120 Offline
first timer

Registered: 09/28/04
Posts: 1
Can I safely run a spare 240v electric baseboard I have from a 120v receptacle, assuming I install a plug-in cord on the heater?

Don't care if it doesn't hit its 240v heat output; I just need a little heat in the garage workshop and don't have 240 out there.

#113301 - 09/28/04 09:03 PM Re: running 240v baseboard heater on 120v
superheat Offline

Registered: 03/23/04
Posts: 440
Extensions are temporary watch out for over heating.
"Experience comes from doing not watching"

#113302 - 09/28/04 09:05 PM Re: running 240v baseboard heater on 120v
MTeator Offline
"I am the Ipeman"

Registered: 05/05/03
Posts: 7622
I don't know what codes apply that would prevent you to do that, so I'll let an electrician answer you on that


a 240V heater running off 120V will only output 1/4 of it's rated wattage. A 1000 watt 240V baseboard for instance will only put out 250W of heat on 120V. Not much heat. (Figures according to Cadet documentation)

You'd probably be better served with a portable unit with a fan to distribute the heat faster.
so long and thanks for all the fish.

#113303 - 09/28/04 09:07 PM Re: running 240v baseboard heater on 120v
Arnold Offline
Helpful Electrician

Registered: 07/09/02
Posts: 5000
Loc: United States
For about $15, you can buy a 120-volt space heater. A 240-volt heater on a 120-volt circuit will produce only a tiny amount of heat.
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