If you plug a light duty extension rated at 5 Amp into the wall, then plug a 15 amp surge protector into that, you should not draw more than 5 amps total. Electric fireplaces should only be plugged directly into a standard electrical outlet. Plug space heaters directly into a wall outlet. • You do NOT plug anything else into the same power outlet as your refrigerator. Does a Disintegrated Demon still reform in the Abyss? There are also here (Netherlands) companies who do not allow a power strip connected to another power strip. Power Strips or Surge Protector? I love everything from software to hardware, Windows to Linux, Computer to Phone, and everything in between. Sorry to disagree with the closing reason. Power strips, multi-outlet adapters, and uninterruptible power supplies (UPSs) are acceptable. Do not plug an extension cord or power strip into it. But I did, and everything seems to running fine. @Kurja (I copied your edit to my answer as a comment): Apart from heating cables or connectors, a primary safety concern with an extension plugged into an extension of any type is that overall resistivity can become so large that even a full short at the furthest end of the cable may not trip a breaker. Want to improve this question? Update the question so it's on-topic for Electrical Engineering Stack Exchange. When is it better to use the backquote, `(…), and when to use (list …)? Is it OK to plug a fridge into a power strip? i want to run two aquarium lights off one timer so what if i plugged the timer into the strip and then plugged the extension cord into the timer and plugged two lights into that? Use this to make sure none of your cables or power strips are getting too warm. It may take things a long time to reach their final temperature. current is most important, sum up all devices you connect on that extension cord AND all devices on extension connected to the the first extension cord. You are right about lots of warnings being written everywhere on the subject. Not able to add fulfillment if Cart Line count is one in Sitecore Commerce 9. 1 decade ago. If the power strip needs to be at the end of the circuit, plug the extension cord into the wall outlet, and then plug the power strip into the receptacle end of the extension cord. If the power strip needs to be at the beginning of the circuit, plug the extension cord into one of the outlets on the power strip. A downloadable PDF depicting the Flexible Cord Examples below is also available. Recently, I have been very plain and simply, running out of outlets. You can do it with surge protectors and power strips as well. Instead of buying an extension cord, get a power strip with a cord of sufficient length. rev 2021.2.10.38546, The best answers are voted up and rise to the top, Electrical Engineering Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Don't forget when you switch on an extension cord (either by plugging it in, or by using a switch if there is on), ALL devices will be powered on at the same time, using possibly some additional extra current. 2 Answers. Ideally, you should not create a chain of power cords rather you should invest in a surge protector that has enough outlets and a cord length of your need. The main reason is that people tend to either connect lots of computers to it (and in the past CRT monitors), or even worse, people connect coffee machines or other high current devices. I'll add some information to what Michael and Peter wrote in their good answers. To save my battery can I plug my iPad pro charger with prongs into an extension cord to reach wall outlet while using? Model: EX6120|AC1200 Dual Band WiFi Range Extender Message 1 … If you have several appliances that need to be plugged into an electrical outlet (such as having a desk with a computer, lamp, printer, etc), but find that there is no wall outlet nearby, you may have thought of plugging an extension cord into the nearest wall outlet, and then using a power strip to connect to the extension cord, making several new outlets available. . Is it Safe to Plug an Extension Cord Into a Power Strip? The timer pulls 15 amps and I'd like to plug the timer into an extension cord rated for 13 amps, then into the power strip. An example of acceptable extension cord use would be a custodian using one with a vacuum to clean a hallway carpet. Thoughts? Relevance. If your refrigerator is too far from the power outlet, move your refrigerator or have a electrician install a plug closer to your refrigerator. Show me the reaction mechanism of this Retro Aldol Condensation reaction. Also, do not connect multiple extension cords together. Another potential problem is that if the outlet is equipped with an earth-leakage circuit breaker safety device, that may also trip "on it's own" as the current in neutral wire is diminished due to excessive resistivity in the circuit. The danger (if there is any) is that something will overheat and fail or start a fire. Do not overload your extension cord. To be honest, I do it all the time. Do not use an adapter. Simple and hopefully foolproof. [closed], I followed my dreams and got demoted to software developer, Opt-in alpha test for a new Stacks editor, Visual design changes to the review queues, 2021 Moderator Election Q&A - Question Collection, Is it possible to repeatedly use a schottky diode at its surge current without damage. Wondering if the range extender can be plugged into an extension cord or power strip, or does it have to be plugged directly into a wall outlet? Space heaters must be plugged directly into a wall outlet, which can handle a higher wattage, and should be the only item plugged into that wall outlet. If you have questions about the amount of equipment that may be plugged into an outlet or power strip, contact EH&S. I have been running various multiple extension cords setups for ages, without the slightest problem. Can a Hydra make multiple opportunity attacks at once? Since you are a technology enthusiast, you simply MUST have a thermal imaging camera or thermal imaging adapter for your mobile phone. In this article, we will look into the difference between a power strip and an extension cord, and the right choice for your intended purpose. Improper use of flexible and temporary wiring such as extension cords, multi-outlet adapters, uninterruptible power supplies, and power strips can present both fire and electrical shock hazards. How can a technologically advanced species be conquered by a less advanced one? You may overload the circuit which can cause a fire. However, there are some things to keep in mind: If you only plug low current devices into the extension cord there should be no problem. I have an extension cord with 3 outlets on it. We had a few in for testing that the users had complained the remotes did not work. Improper use of flexible and temporary wiring such as extension cords, multi-outlet adapters, uninterruptible power supplies, and power strips can present both. Just a bit of context, I am a technology enthusiast. If you’re looking at a power strip, then it is simply an extension cord with multiple outlets to plug into. It allows a 3-prong plug to be plugged into … Average people, sadly, have very little understanding of how electricity works: they confuse power, voltage and current all the time, let alone knowing what Ohm's law or Joule's law are! Power strips can easily heat up so the material melts. Never use a three to two prong plug adapter! temporarily to plug an extension cord to a power strip, but never a power strip to an extension cord. To power all of the equipment I use, I use a pretty expensive surge protector, with 12 outlets on it. This latter is particularly important to calculate heating. Does this property characterize the odd primes? This plugs into a wall outlet and is considered a power strip even though it doesn’t have a cord. From the piano tuner's viewpoint, what needs to be done in order to achieve "equal temperament"? If you only have two prong outlets, contact Facilities Management & Construction for assistance. How to decline politely? "Normal" people could watch my setups and cower in terror (if they are sane), or they could do the same and burn their house down, because they can't tell the electrical difference between a 4W power pack and a 1500W toaster! The higher the amperage, the more heavy duty extension cord you will need. Also consider external factors (like the heat from the sun) when calculating the maximum load, I once had a thermal fuse trip inside a rolled up cable when it was using less than 1A (at 220V). from the sun), make sure the cable is fully unrolled (meaning not bundled), since warmth cannot spread (updated according comment of FerryBig). Maybe, I thought, I could plug some of the things on my surge protector into the extension cord, and then the extension cord into the surge protector. In any case, you need to keep the total current requirements of everthing plugged into the surge protector and extension cord below the rating of the surge protector. The NEC and most local electrical codes, in fact, do not permit the use of one extension cord or power strip plugged into another. Of course, extension cords, plugs, sockets and similar "electrical connection things" follow Ohm's law and Joule's law. And it’s also against OSHA and NEC regulations. A surge protector extension cord can be used long-term without the risks presented by linking two incompatible components together, and can be used in tandem with some power strip mounts to create temporary wall or ceiling power outlets. Also make sure that your smart plug isn’t so heavy that it’s weighing down the extension cord and making the connection loose. 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