Questions tagged [extension-cord]

For questions about extension cords -- i.e. lengths of flexible cord terminated in a cord-mounted receptacle or receptacles on one end and a plug on the other. They are used to bring power temporarily to a location where permanent receptacles are not available or for appliances that need to be mobile over large areas.

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3answers
56 views

Getting various non-zero voltages between neutral and ground on daisy-chained extension cords

Backstory: I am running power (temporarily) to a workshop through a 25' and a 50' extension cords. I was worried about the voltage drop over this length so I was measuring voltage to see if it ...
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0answers
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Faults/current leak in an ungrounded electric setup (connected to a grounded setup)

I'm troubleshooting the wiring from our neighbor's house. His electric setup is ungrounded. Our house, pending an "official" installation, gets its electricity via a ~30M cable (3x1.5mm2) ...
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54 views

Does the NEC have a table for oversizing wire for extended lengths?

I have a very long property with no power at the back. I'm trying to get a 13A reciprocating saw out there to do some demo work. The cable would need to be ~250'. Does the NEC have a table that ...
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73 views

Extension Cords needed, can't find

I have moved into an older home. All of the outlets are two prong only. Is there an extension cord that will plug into the wall with a 2 prong, but has 3 prongs in the extension part? If not, how am I ...
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4answers
402 views

Garage door opener will not close unless the wall button is held

I do not know if this could cause the problem or not but it is hooked up to an extension cord (not sure what size). There are two garage doors plugged in with extension cords. One is working but it is ...
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5answers
168 views

The plug for my laptop is slowly changing colour, is it still safe to use until I get a new one?

So, right now my charger plug, that connects into the extension cord is slowly changing colour and it looks like it has small bumps, I can’t really tell though. Is it because i’m using an extension ...
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My inflatable hot tub says “don't use with an extension cord”… but can I?

Sadly they don't explain WHY not to use it with an extension cord. I wonder if it's to do with the risk of having such connections outside in the elements? The cord it comes with is 7m long, and ...
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169 views

Making an extension cord

I went into home depot to get an extension cord that was 5 foot 14 gauge. I couldn't find anything that small in that gauge and I asked the employee for his recommendation. He told me to just make my ...
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3answers
316 views

Extension Cords - Electrical Hazards & Safety

We are looking at purchasing a Residence that has a Home Office Area attached to it. It is Commercially zoned in a Canadian Province. Upon doing a walk through, we noticed an extension cord layout ...
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42 views

How do I prevent water from getting in my landscape spotlight extension cord

If I plug a two prong outdoor spotlight into a three prong grounded extension cord would water getting into the empty hole in the three prong cause the circuit to trip?
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592 views

My house is flooding and I have things plugged into an extension cord that is getting wet what do I do

I'm freaking out because the extension cord that has a lot of things plugged into it is on the floor this whole place is concrete floors and it's flooding or sleeping in and it's right there right ...
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396 views

Two appliances with connection cords sharing power outlet

I have my dishwasher and my garbage disposal fed from two separate electrical circuits but sharing the same power outlet under the sink. I broke off the tabs on the outlet and connected it to two ...
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92 views

Powering a Window Air Conditioner — 10' 12/3 SJTW extension cord vs new outlet?

TL;DR: Is it fine to use 10' 12/3 extension cord or should I really have an electrician come out & install a new outlet? I recently installed 8,000 BTU window air conditioner (the LG LW8016ER). ...
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106 views

Electrical Appliance Killing Extension Leads

I've got a circular saw that has been responsible for damaging a total of three extension leads. Not in the typical sharp bit cutting the cable you may have expected. I've had the saw for a year and ...
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1answer
1k views

Extension cord reel - (Red) Reset button not staying down

I have the below cord reel, rated 1000watt rolled and 3500watt extended. It was working great until someone used it to power a welder. The person told me that it stopped working a few times and he ...
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37 views

What size and type of wire do I need for a long run?

I'm a DJ and need to power five 20A amplifiers. Since the wall receptacles in most clubs and outdoor events to not have sufficient power to make them sound good. I need a 50 foot length and a 100 foot ...
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2k views

okay to use fatter/longer extension cord than spec'd for power tools?

I want to buy an electric chainsaw, rated at 15A (125V). Manufacturer specifies max 50' extension cord (no gauge spec). There are 50' 14 gauge extension cords that are rated at 15A/125V. Could I use a ...
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1answer
137 views

Is it safe to connect two extension cords to reach 75 feet to a generator?

For my generator? It's a duromax xp4850eh with one of those 240v L14-30 outlets. The inlet is about 75 feet away from where I want the generator to sit outside. Because of voltage drop concerns, I ...
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2answers
839 views

3-socket replacement extension cord end? [closed]

I have an extension cord on a retractable reel, and it has a molded-on end with three sockets, like this: Unfortunately, the quality of the sockets isn't great -- at least a couple of them are quite ...
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5k views

Floor outlet protruding under a rug

I have an in floor outlet (under a rug) and I don't want the plug sticking up under the rug. Can I cut off the plug of an extension cord and directly wire it in with the wires of the outlet? Thanks in ...
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89 views

Constant amps maximum

I did some wiring and want to make sure i calculated it all safely. I have a 30 amp breaker, single phase 240volts wired to a dryer outlet, don't know the awg of that as it's in the walls and has been ...
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1answer
155 views

Activating hot water recirculation pump in garage via extension cord under kitchen sink

I have a hot water recirculation pump installed near the water heater that is located in the garage which provides instant hot water via dedicated 1/2" copper pipes. Although I have a timer that ...
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1answer
90 views

Extension cord female end-3 plug end [closed]

I was needing to replace female end on extension cord. The existing female end is made to accept 3 plugs on that end. Do replacement ends like that exist or will it have to be converted to just a ...
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3answers
3k views

Passing a generator extention through a wall for use in a power outage

When the power goes out and I use my generator I am currently running an extension cord through a cracked door from the garage into the house, down the basement stairs and to my sump pump (which is ...
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1answer
3k views

Is it okay to regularly turn off lamps (2) via a power strip rather than their individual switches?

Okay, full disclosure: I know next to nothing about electronics. Just trying out my first little amateur diy project: adding lights to my vanity. So here goes my question. I just bought 2 little ...
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63 views

120/240 circuit extension

I have a 3-wire 120/240 V circuit running to my garage to an l14-30 outlet for an arc welder. Occasionally I want to run that arc welder in my basement. My thought is to cut the existing circuit in ...
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1answer
985 views

Is there a type of extension cord I can use with a gutter heater?

I just purchased a gutter heater (yes I know it may not actually work), and the user's manual said not to use an extension cord. We don't have any outlets within the 6 foot range of the cord on the ...
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3answers
1k views

Ends of 25' 12/3 and short 14/3 extension cords get warm with 1500W heater

I've 'tested' three listed extension cords, one at a time, by plugging a 4 year old 1500W fanned heater ($10 at Home Depot) into a 20 amp house circuit (no other appreciable load). The cords: orange ...
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1answer
105 views

When to retire aged copper extension cords with intact jackets?

If not abused, do the conductors in extension cords degrade over time? If so, how does one determine when they need to be retired?
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160 views

Extension cords flexible in cold weather

25+ year old 14/3 extension cord. Blue jacket. Still nice and flexible. Jacket stamped "-50C". Surprisingly, it is also stamped "SJTW-A". I thought flexible-in-cold carried the E, not the T ...
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339 views

Plugging household device into T-Blade extension cord does not work

I have a 50Amp to 15/20Amp T-Blade extension cord. Here is the link. The 50Amp end is plugged into an unused Stove outlet. When I plug in a surge protector the extension cord does not seem to work. ...
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1answer
151 views

Illegal power connection, how should I handle this situation?

I saw a yellow (old flat style) extension cord wired to a power pole way above the meter and then the cord dropped to the front of the structure and was wired to the base of an unmounted porch light. ...
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2answers
240 views

Should a metal inline junction box on an extension cord be grounded?

I have a 12 gauge stranded wire extension cord, but I could not find a switch that I needed to connect in the middle. So, I used a regular wall switch and box. My question is, should I simply connect ...
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150 views

Can I safely use a #12 extension cord on a 15A circuit temporarily for extended periods?

Is it okay to use an outdoor 25 foot 12 gauge extension cord for an outlet to appliance (temporarily) to make sure there will be no overheating of any wires, which will be running on a 15 Amp Circuit (...
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2answers
313 views

Would using a grounded extension cord negate the effects of a ground prong missing from device?

Specifically: I have a PA System with the ground wire missing. It has shocked me in the past and I'd like to use it. Short of a repair (which is coming), would using a grounded extension cord from ...
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1answer
80 views

Exterior Extension Cords

I just moved and from electrical outlet to the road it is roughly 180 feet. In order to clear my driveway with an electric blower I plug in 2 100 ft exterior extension cords. Is it safe for me to do ...
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2answers
11k views

Do I need to worry about rain water getting into the open ground socket?

I have a Christmas lights setup where one extension cord has its ground socket empty and facing upwards. Do I need to worry about rain water potentially getting into the open ground socket? If so, ...
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1answer
6k views

For Christmas Lights, is it safe to run extension cord under garage door?

For Christmas Lights over the garage, the nearest outlet is inside my garage. Is it safe to run an extension cord under the garage door to the outlet? Is there anything I should bear in mind while ...
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4answers
2k views

Electric Lawnmower - Is The Problem With the Mower or the Extension Cord?

I have an electric lawnmower that's about 8 years old. I use a 100-foot extension cord with it that's probably 20 years old. While mowing the other day, I smelled a faint electrical smell. When I ...
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5answers
17k views

What gauge extension cord should I use for dehumidifier in basement?

I run a Frigidaire 50-pint dehumidifier in my basement, which I am currently emptying the bucket once/twice every day since the power outlet is far away from the drain hole in the basement, and the ...
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2answers
4k views

Is it safe to mount a surge protector strip behind a wall-mounted television?

To make my television mount look clean I ran a new extension cord, the tv plug and the cable wire through a wire management system that sticks on the wall. The extension cord is plugged into a 2 foot ...
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4answers
34k views

How safe is it to plug in an extension cord that has a missing ground pin in to a GFCI outlet?

I know it will still provide power and such but what are the potential safety hazards?
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5k views

Usefulness of Cord Reel with 100-ft Extension Cord

I may be missing something, but how useful is a cord reel such as the one pictured with a 100-ft long extension cord? I'd like to think that a 100-ft extension cable with a pretty good gauge (12) ...
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3k views

extension cords: length vs amps

My Ariens snowblower engine manual has this to say about using an extension cord for electric start: Use appropriately sized extension cord (a minimum of 16 gage, 3-wire, 13 amp, no longer that ...
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2answers
9k views

How to run an extension cord through a tight space

There's a space between my hearth and the wall that I can run coax cable through to a TV but it is too tight to get an extension cord through to that TV. It is only about 1/2 inch wide; the hearth was ...
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159 views

Is the recommendation for Gauge 14 cables with 13A devices overly conservative?

I don't get it. Whenever I look at a corded tool at amazon, I see that people are buying the tool with a cable with an incorrect gauge. Here is an example: In this example a 13A mower is "frequently ...
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1answer
2k views

Why does a USA/Canada surge-protected extension lead (110V) trip my circuit breakers in the UK (220V)?

I moved from Canada to the UK and for convenience I would like to use some of my Canadian aquired extension leads (for light power items such as ethernet switches). Problem is that the surge-...
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2answers
4k views

Open appliance which has a flat round disk as a screw head, no recess at all

I bought a 6 way with switches and a 4 way gang extension leads. I bought them online and I found them being closed by these screws with a flat round disk as a head. Now understanding the meaning of "...
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2answers
9k views

Is it safe to pull a continuous 18 amps from a 15 amp outlet?

I have a heater that draws a continuous 18 amps and has a 20 amp plug. I created an extension cord to plug into the wall, however on one end it's a 20 amp receptacle - heater plugged into extension ...
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3answers
69k views

Can I use an extension cord for a mini fridge?

I read a thread earlier basically saying a fridge should not be run on an extension cord. I was curious why that is. And how it would be different than having the same distance ran in the wall to an ...