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It depends on the gauge of the wire, the length and the total current draw of the appliances. You said "heavy duty outdoor extension cord" so I'll assume 12 gauge wire. You can run a MAXIMUM of 20 amps for a MAXIMUM of 100 Ft on that wire. If the current draw goes up, so should the wire size. If the distance goes up, so should the wire size. 10 Ga wire - 30 amps for 100 Ft.

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18y ago
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3mo ago

The maximum recommended length for an electric extension cord is usually around 100 feet for household use, although shorter lengths are better for higher-powered tools or appliances. Exceeding this length can result in voltage drop and potential overheating of the cord, leading to a fire hazard. It is important to match the cord's length and gauge to the power load of the device being used.

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13y ago

A standard manufactured length for an extension cord is 100 feet of #12 wire. On construction sites extension cords are longer but the wire in that cord is upsized. The extension cords on construction sites can be up to #10 or #8. It all has to do with voltage drop and the amount of current the device needs that is plugged into the cord. For extension cords around the home one 100 foot cord is about the maximum you would want to go. If you plug another cord into the first one the device that you want to use may not operate due to low voltage.

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Q: How long can you run an electric extension cord?
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How do you use an extension cord to temporarily run the filter?

To temporarily run a filter using an extension cord, make sure the cord is rated for outdoor use and the appropriate length. Plug the extension cord into a nearby grounded outlet and then connect it to the filter. Avoid using indoor extension cords or daisy-chaining multiple cords together to prevent electrical hazards.


Why should you not plug a surge protector into an extension cord?

Plugging a surge protector into an extension cord can overload the circuit and increase the risk of a fire hazard due to the excessive energy draw from multiple devices. The extension cord may not be rated to handle the electrical load necessary for a surge protector, leading to overheating and potential damage to the devices connected.


Can you plug a refrigerator into a surge protector?

If you mean that the (heavy duty) extension cord has a wire size of #14 or #12 wire in it and that the length is not over 50 feet then you will have no trouble running a refrigerator. Keep in mind that you only use extension cords as a temporary measure and that they are not to be used as replacements for permanent wiring.


Is it safe to use 3 heavy duty extension cords together?

Yes, the use of an extension cord is safe, as they have been underwriter laboratory tested. An extension cord is meant to be used as a means of bringing power to a portable device for a temporary period of time. They should only to be used as a temporary fix until a permanent installation can be installed.


What kind of extension cord to use for a freezer?

It is recommended to use a heavy-duty, grounded extension cord for a freezer to ensure safety and prevent overheating. Make sure the cord is rated for the same voltage as your freezer and check the wattage capacity of the cord to handle the power requirements of the appliance.

Related questions

How do you use an extension cord to temporarily run the filter?

To temporarily run a filter using an extension cord, make sure the cord is rated for outdoor use and the appropriate length. Plug the extension cord into a nearby grounded outlet and then connect it to the filter. Avoid using indoor extension cords or daisy-chaining multiple cords together to prevent electrical hazards.


Why did Atticus Need the extension cord in to kill a mockingbird?

Atticus needed the extension cord to provide light to read in the evenings since the electricity in his house was limited. This allowed him to continue reading and working on his cases at night.


Does implantable defibrillator use ac or dc current?

DC, unless you run an extension cord.


Why should you not plug a surge protector into an extension cord?

Plugging a surge protector into an extension cord can overload the circuit and increase the risk of a fire hazard due to the excessive energy draw from multiple devices. The extension cord may not be rated to handle the electrical load necessary for a surge protector, leading to overheating and potential damage to the devices connected.


Could your singer sewing machine run more slowly if you are using an extension cord with it?

No it will not run more slowly. The power runs through it just as fast as you would normally. Same with all machines and all brands. I also have a singer sewing machine and i use a extension cord and it works normally.


Can you use an extension cord for a window air conditioner?

Yes, but be sure it is of sufficient rating to handle the current. Air conditioners typically use a large amount of electrical current, and so the ampere rating of the cord needs to be high enough not to cause appreciable heating or failure of the cord. Also, the longer the extension cord, the heavier its gauge needs to be, as its resistance goes up in direct relationship to its length. If the resistance of the extension cord gets too high, the compressor motor will see insufficient voltage to start up reliably and will run poorly or not at all. Look for an "appliance extension cord" when you go to the store. They are easily distinguishable from ordinary lamp extension cords by their heavier weight cable and they're almost always equipped with a 3-prong plug and receptacle. Keep the extension cord run from the outlet to the air conditioner as short as practical -- less than 12 ft (4 meters), if you can.


Can you use an extension cord with a window air conditioner unit?

Yes, but be sure it is of sufficient rating to handle the current. Air conditioners typically use a large amount of electrical current, and so the ampere rating of the cord needs to be high enough not to cause appreciable heating or failure of the cord. Also, the longer the extension cord, the heavier its gauge needs to be, as its resistance goes up in direct relationship to its length. If the resistance of the extension cord gets too high, the compressor motor will see insufficient voltage to start up reliably and will run poorly or not at all. Look for an "appliance extension cord" when you go to the store. They are easily distinguishable from ordinary lamp extension cords by their heavier weight cable and they're almost always equipped with a 3-prong plug and receptacle. Keep the extension cord run from the outlet to the air conditioner as short as practical -- less than 12 ft (4 meters), if you can.


Can you plug a refrigerator into a surge protector?

If you mean that the (heavy duty) extension cord has a wire size of #14 or #12 wire in it and that the length is not over 50 feet then you will have no trouble running a refrigerator. Keep in mind that you only use extension cords as a temporary measure and that they are not to be used as replacements for permanent wiring.


Is there an extension for unemployment in Texas now?

if you are on unemployment now and it will run out by the end of feb 09" can you have an extension on it. and if so how long


How many appliances can you run from an extension cable at once?

The total load applied to an extension cord is governed by the wire size of the cord. As the extension cord is usually plugged into a wall receptacle. The breaker protecting the receptacle is rated at 15 amps. The total wattage is limited to 15 x 120 volts = 1800 watts. Check the nameplate on the appliances to see what the wattage draw totals. This will give you the answer, any amount that adds up to the total of 1800 watts.


Is it safe to use 3 heavy duty extension cords together?

Yes, the use of an extension cord is safe, as they have been underwriter laboratory tested. An extension cord is meant to be used as a means of bringing power to a portable device for a temporary period of time. They should only to be used as a temporary fix until a permanent installation can be installed.


What can I do about new Friedrich air conditioner's cord which is 2 feet too short looks ugly in reaching outlet does a 9' extension cord risk harming the unit violate the warranty?

I don't know about the warranty, but the unit will run fine using an extension cord IF you buy one that is heavy-duty. Look for a cord that is 12 gauge or even 10 gauge. If you use a 14, 16, or 18 gauge cord (these may be too small), the unit could be damaged.