Quick Answer: How many watts can a 12 gauge extension cord handle?

Matching Extension Cord to Load

Extension Cord Wire Gauges, Amperage Rating, and Wattage
#18 5 Amps 600 Watts
#16 7 Amps 840 Watts
#14 12 Amps 1,440 Watts
#12 16 Amps 1,920 Watts

1 more row•26-May-2021

How big is a 12 gauge extension cord?

  • We also allowed for up to a 5% voltage drop—which some people might consider too high. With that being the case, only one of our recommendations hit that level, the 100-foot 12-gauge extension cord with a full 15A draw. This might be an unusual application for some, but we felt it represented a great scenario.

How many watts can 12 gauge wire handle?

General Purpose Cords

14 – Wire 12Wire
Recommended 80% Wattage Load: 1440 watts (120 volts). Max Wattage Load: 1800 watts (120 volts). Recommended 80% Wattage Load: 1920 watts (120 volts), 3840 watts (240 volts). Max Wattage Load: 2400 watts (120 volts), 4800 watts (240 volts).
Recommended For Recommended For

Can an extension cord handle 1500 watts?

Extension cords usually can‘t handle high current

Medium-sized space heaters draw around 1,500 watts and 12.5 or more amps. That is what most extension cords can barely handle. The rating for your extension cord could be anything between 10-15A.

Which is better 12 or 16 gauge extension cord?

16Gauge Cords: Any 16gauge cord between 0 and 100 feet long will adequately handle tool loads up to 10 amps. 12Gauge Cords: If your tool load is between 10 and 15 amps and the length of the cord is 50 to 100 feet, you need a 12gauge cord to safely power any tool. This is a great extension cord for many purposes.

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How many watts can a extension cord handle?

As the cord gets longer, the current carrying capacity of the cord gets lower. For example, a 16 gauge extension cord less than 50 feet in length can power a 1625 watt (W) appliance. A 16 gauge cord that is longer than 50 feet in length can only power an appliance up to 1250W.

Should I use 12 or 14-gauge wire?

If you’re wiring a circuit on which there are both lights and outlets, or you just aren’t sure which wire gauge to use, you can’t go wrong by choosing a 12gauge wire. It’s not quite as flexible as a 14gauge wire, and it costs a bit more, but it’s always a safe choice on a 15- or 20-amp circuit.

How many outlets can be on a 15 amp breaker?

Technically, you can have as many outlets on a 15 amp circuit breaker as you want. However, a good rule of thumb is 1 outlet per 1.5 amps, up to 80% of the capacity of the circuit breaker. Therefore, we would suggest a maximum of 8 outlets for a 15 amp circuit.

What is the best heavy-duty extension cord?

Here are the best extension cords:

  • Best overall: Coleman 14 Gauge 100 Ft. Extension Cord.
  • Best with a power strip: Anker Power Strip Extension Cord.
  • Best heavy-duty extension cord: Watt’s Wire 14-Gauge Extension Cord.
  • Best indoor extension cord: Iron Forge Cable Extension Cord.

What happens if you overload an extension cord?

Extension cords can overheat and cause fires when used improperly. Overheating is usually caused by overloading or connecting appliances that consume more watts than the cord can handle. Damaged extension cords can also cause fires. Extension cords should only be used temporarily.

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What is a heavy-duty extension cord?

Heavyduty extension cords are suitable for drawing 10 to 15 amps of power. These are always grounded extension cords that include a third wire and plug prong for grounding and have plugs with three slots for accepting grounded appliance cords. Uses: tools and heating appliances drawing up to 15 amps of power.

What does 12 gauge extension cord mean?

The “12” represents the gauge wire rating (or wire diameter), and the “3” means it has three wires (or conductors) inside. The lower the gauge number the thicker the conducting wire(s) inside the extension cord and thus the greater flow of electricity.

How far can you run 12 gauge wire on a 20 amp circuit?

Originally Answered: How far can you run 12 gauge wire on a 20 amp circuit? About 400 feet. After that voltage drop is a factor and the gauge will have to be increased or the voltage increased.

What is the best outdoor extension cord?

  • BEST ALL AROUND: Iron Forge Cable 100 Foot Outdoor Extension Cord.
  • BEST FOR LIGHT DUTY: FIRMERST Flat Plug 1Ft Extension Cord.
  • BEST FOR HEAVY DUTY: US Wire and Cable Extension Cord.
  • BEST FOR OUTDOORS: UltraPro Double Insulated Cord.
  • BEST DESIGN: Cordinate Fabric Braided Cord.

Does an extension cord use power if nothing is plugged into it?

The extension cord will not use any electricity if nothing hook up. if it is damaged, and the ground is wet, it is grounded and will lose some electricity.

How many watts is 15 amps?

A 15 Amp breaker can handle up to 1,800 Watts. A 20 Amp breaker can handle up to 2,400 Watts.

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Do extension cords charge slower?

An extension cord on the AC input to a charger will have no effect based on the fact that they are designed to run from 100–220V and draw very little current. An extension cord on the output of the charger will probably have some effect based on wire size of the cords.

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