Then i use various lengths 14 3 gauge 5 20 cords to branch out to whatever needs powering.
What gauge extension cord for 1500 watt heater.
This is because a space heater no matter what size draws a high amount of electricity and can overload a circuit or overheat an extension cord thus causing an electrical fire.
Then i use a 25ft 12 3 gauge 5 20 cord for longer runs from that.
14 gauge can handle shorter runs up to 15 amps.
The 1500 watt heater at 120 volts will require 12 5 amps.
16 gauge up to 10 amps.
I use the flat style 25ft 10 gauge 30 amp generator extension cord l14 30p to four 5 20r from the generator into the house.
Extension cords range anywhere from 18 gauge to 10 gauge with 10 gauge being the thickest.
12 gauge 20 amp extra heavy duty major appliance cord beige model 568.
6 ft 12 3 heavy duty 3 outlet lighted sjtw indoor outdoor extension cord by watt s wire short yellow 6 12 gauge grounded 15 amp three prong power cord 6 foot 12 awg 4 8 out of 5 stars 1 529 20 48 20.
If you have a power strip that is rated at 1875 watts or more that will work as long as you never plug anything else into it.
14 3 sjtw 15 amp 125 volt 1875 watt 3 wire appliance power tool cord black model ps615143 5 65.
Lower gauge aka thicker wires allow more electrical current to flow through the extension cord making lower gauge cords better for larger appliances and tools that need a lot of juice.
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Further complicating the issue is the length of the extension cord.
I am wondering if it is better to use a 12 gauge extension cord instead of a 14 gauge which is adequate for a 12amp electric lawn mower at 50 ft i.
In longer extension cords the resistance of electrical current is higher and the potential for overheating is greater.
A 5 ft long heavy duty extension cord powering a table saw rarely overheats but a 50 ft long extension cord of the same wire gauge may well be undersized.
For safety always plug a space heater directly into the wall outlet using the electrical cord on the space heater and never use a power strip or extension cord.
Amps is usually how u judge what thickness of wire to use.
I was wondering if i can use a 14 gauge extension cord 50ft 15 amp 125 volt 1875 watt in my 8 amps 1000 watts tool thank you very much in advance 1.
A 13 amp cord will overheat.
View replies 2 dawn.
I always err on the side of caution but here s some rough safe numbers.