Can you plug an extension cord into another extension cord?

Asked By: Misael Holzammer | Last Updated: 30th April, 2020
Category: home and garden home entertaining
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If you plug two identical cords into each other, that reduces their current capacity in half and can possibly result in voltage drop and overheating. In general, extension cords should not exceed 100 feet in length. However, by plugging one extension cord into another, the maximum cord length can be easily exceeded.

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Besides, can you use 2 extension cords together?

While stringing together two extension cords can work as a temporary solution, such as in the case of a short power failure, it creates a significant risk when used as a long-term solution. Extended cords reduce the wattage capabilities of each cord and may lead to meltdown and fire.

Furthermore, is it OK to daisy chain extension cords? DON'T plug extensions cords together. It may be tempting to just string them together, but resist the temptation. Extending the length of an extension cord by “daisy-chaining” can lead to overheating the cord by overloading it, creating a serious fire hazard.

In respect to this, why should you not plug one extension cord into another?

Using extension cords properly is critical to your safety. With continuous use over time, an extension cord can rapidly deteriorate, creating a potentially dangerous electric shock or fire hazard. Multiple plug outlets must be plugged directly into mounted electrical receptacles; they cannot be chained together.

Is it bad to plug an extension cord into a power strip?

Because this is hard-wired into the electrical system an extension cord may be plugged into it. This is the only time it is acceptable to plug an extension cord into a power strip. Extension cords are only for temporary use and are not to be left plugged into wall outlets when not being actively used.

20 Related Question Answers Found

How do extension cords cause fires?

Choose the right extension cord for the job, and use it as specified. 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.

Can extension cords be plugged into each other?

If you plug two identical cords into each other, that reduces their current capacity in half and can possibly result in voltage drop and overheating. In general, extension cords should not exceed 100 feet in length. However, by plugging one extension cord into another, the maximum cord length can be easily exceeded.

Can you double up extension leads?

Otherwise, the plug in the wall socket can overheat and possibly cause a fire. Use only One Extension Lead Per Socket – it may sound stupid, but some people plug in an extension lead into an extension lead. They increase the risk of overloading and fire, so, if possible, use a multi-way extension lead.

Are power strips safer than extension cords?

In fact, plugging multiple power strips together, which is known as “daisy-chaining,” is the quickest way to overload your electrical system—and it's also dangerous and violates most fire safety codes. For the same reason, avoid the use of extension cords with power strips.

Why is daisy chaining bad?


Daisy chaining is a term that refers to the practice of plugging a power strip into another power strip. This is dangerous because an excessive amount of power is being drawn from one single wall outlet, which means the power strip or wall receptacle could easily overload.

Are extension cords illegal?

The CPSC website recommends, “Use extension cords only when necessary and only on a temporary basis.” Many local building codes have made permanent use of these cords illegal in homes and businesses.

How can I hide my extension cords?

  1. Measure. Measure the wall to determine the length of the cords you want to cover.
  2. Cut. Cut the base and cord cover to match the length you just measured.
  3. Mark anchor points. Use a pencil to mark the anchor points on the wall.
  4. Mount base.
  5. Lay the cables.
  6. Paint.
  7. Use cable ties.
  8. Conceal with flex tubing.

Are all extension leads surge protected?

Surge protectors look like multi-socket extension leads (or power strips), but don't get the two confused: extension leads do not protect against power surges.

How many things can I plug into one outlet?

Never plug more than two appliances into an outlet at once or “piggyback” extra appliances on extension cords or wall outlets. Use only outlets designed to handle multiple plugs. Know the amount of power you're placing on an outlet or circuit. Some recommend each outlet or circuit should not exceed 1,500 watts.

Are multi plugs safe?


A single plug has a limited power supply capability and will have to supply more current than it is rated for to run all the appliances plugged in to it. To be safe from any danger, use a multi-plug adaptor but do not use all the appliances at the same time.

How do you replace a cord on a plug?

  1. CUT OFF OLD PLUG. Cut end of power cord evenly and clean.
  2. OPEN COVER ENTRANCE. Using a small flat head screwdriver, push the assembly clip toward the cover entrance to open it.
  3. INSERT CORD THROUGH ASSEMBLY CLIP.
  4. PUT CORD IN WIRING CHANNEL.
  5. CLOSE THE NEW PLUG.

What should not be plugged into an extension cord?

Rule two: never plug high power capacity appliances, like space heaters, refrigerators, or microwave and toaster ovens into power strips or extension cords. These appliances have higher power capacity and need to be plugged into a wall outlet directly.

How many watts can a power strip handle?

To determine how many watts of power a power strip can handle, you simply multiply the volts by the amps. Most facilities will run on 120 or 240 volts. For a 15 amp power strip on a 120-volt circuit, the power strip can handle up to 1800 watts.

What is the OSHA standard for extension cords?

Portable electric equipment. This paragraph applies to the use of cord and plug connected equipment, including flexible cord sets (extension cords).

Occupational Safety and Health Administration OSHA.
• Part Number: 1910
• Subpart: S
• Subpart Title: Electrical
• Standard Number: 1910.334
• Title: Use of equipment.

What is daisy chain wiring?


In electrical and electronic engineering a daisy chain is a wiring scheme in which multiple devices are wired together in sequence or in a ring, similar to a garland of daisy flowers. Other than a full, single loop, systems which contain internal loops cannot be called daisy chains.

Can a power strip trip a breaker?

Power Strips & Extension Cords
Don't worry, an extension cord will not trip your circuit breaker! Although using multiple extension cords and power strips throughout the house will increase your chances. The more cords plugged into a power strip, and the more extensions you have, the higher the risk.