Daisy chaining extension cords and power strips. Find safe alternatives instead.

Daisy chaining extension cords and power strips Just as long as you don't stick an old nail in the first one because the fuse keeps blowing Jul 12, 2018 · I am adding an ATO, which fills up the power strip. This improper use can result in overheating, electrical fires, or electrical shocks. For sensitive electronics, choose an extension cord with surge protector features, but May 9, 2024 · Often called “daisy chaining,” plugging a power strip into an extension cord is dangerous and generally condemned by protection experts and electricians. Each power strip and extension cord should be connected directly to a wall outlet. Mar 26, 2025 · DON’T “daisy chain” power strips and extension cords—just don’t. Regularly inspect cords for frays, discoloration, or loose connections and replace damaged items immediately. Although the name is pleasant, daisy- chaining is quite dangerous and should be avoided. It’s not hard to estimate the maximum safe load Avoid use of extension cords or multi-outlet adapters. Jul 22, 2025 · Find out why daisy-chaining power strips could pose serious dangers to your safety and devices—what you discover might shock you. Appliances with high amperage draws must be plugged directly into a wall outlet. Follow the intended use per the manufacturer’s instructions. ” Why is this dangerous? “daisy-chaining,” where power strips or surge protectors have been plugged into other power strips and/or extension cords. Avoid daisy-chaining whenever possible. If at any time the surge protector or plug strip is hot to the touch remove and replace the unit. In addition, power strips should not be connected to extension cords to extend their reach. Oct 5, 2020 · Daisy chaining extension cords together can cause internal heating of cords, damage the insulation, and could damage the integrity of the cord. This practice is strictly prohibited by Cal/OSHA and the Office of the State Fire Marshal. It’s a convenient solution when you have limited access to wall outlets, especially in larger rooms or offices. “It increases the risk of overload and fire,” he says. May 31, 2025 · Never plug extension cords or power strips into one another. Plugging multiple cords or strips into one outlet can lead to circuit overloading and increased risk of fire. Sep 17, 2024 · Avoid Overloading: Never plug one power strip into another (daisy chaining), as this can overload the power strip and increase the risk of fire. Here’s what you can plug into an extension cord, power strip, or surge protector: Cell phone charger Laptop charger Coffee maker Tablet charger Table lamp Digital clock Modem Click the link below to view some recently gathered information regarding daisy chaining of power strips and extension cords. Jan 31, 2025 · 'Daisy-Chaining' Power Strips or Extension Cords It might be tempting to plug a power strip into another power strip (or an extension cord) to create a longer reach or power more devices. But before you start linking power strips, it's important Oct 5, 2021 · Where in nec is the codes on these violations - strip outlets,the rules on daisy chaining - , extention cords used permanently ,overloading a 15 amp with other appliances added together like freezers on microwave circuits, over the 80% ,over loading single duplex outlets with multiple strips Feb 28, 2022 · Why Daisy Chaining Is Dangerous Power strips and extension cords are great tools for getting the most out of our electrical outlets. Portable electric equipment. Consult with Facilities Management if additional electrical outlets are needed in your area(s). Instead of daisy chaining for length, buy a thicker gauge extension cord to fit a power strip to. A few power strips or adapters are daisy chained to the surge protector. ) Light extension cords that should have been fused at 10amps or even 5amps, which are instead fused at 13amps, because someone fitted a 'stronger fuse' when the 3000W heater they plugged into it kept causing it to blow Generally, they don't have the same problems as unfused extension cords, but nothings foolproof when there are fools around. However, unlike the charming childhood memories this term might provoke, daisy chaining poses a very acute danger. It’s important to avoid daisy-chaining power strips, especially for high-powered devices like heaters, air conditioners, and kitchen appliances. , not strung together in series or “daisy-chaining”). Jul 2, 2014 · A heavy duty (14ga) extension cord with a single connection was run from the receptacle to the table whereupon the power strip was plugged into it. Facilities - Ensure adequate code compliance for permanently installed wiring and assists in placement of extension cord and power strip usage when needed. I went to walmart and bought an appliance extension cord for my lab. Daisy chaining increases the risk of fire due to overloading circuits. Sep 15, 2020 · Electricians don’t like extension cords or power strips, and they hate daisy chains even more. This can result in an overload, which may cause overheating and fire hazards. To meet power supply needs, extension cords or surge protected power strips are often interconnected, or “daisy chained Nov 13, 2020 · Don’t daisy-chain your power strips/extension cords together. This paragraph applies to the use of cord- and plug-connected equipment, including flexible cord sets (extension cords). While this might seem like an easy way to increase available outlets, it significantly increases the risk of overloading circuits. Mistaking a surge protector for a power strip is another. Such an arrangement violates National Electrical Code (NEC) and Occupational Safety and Health Administration (OSHA) regulations because the strip or wall receptacle may become overloaded, resulting in failure or fire. A floor covered in cable spaghetti isn’t just ugly; this kind of daisy chains set-up is a serious fire hazard. Oct 9, 2017 · This is a term that refers to power strips and/or extension cords being plugged into other power strips and/or extension cords. Extension cords, surge suppressors, and power strips are commonly used at the University. At first glance, daisy chaining connecting multiple power strips together seems like a clever solution to plug more devices in. Due to an unstable power supply caused by voltage drops, the electronics may melt or malfunction. Mar 14, 2021 · However there are no power sockets near there so I had to daisy chain two extensions cords to deliver power to my solder station and fan. everyone had power but the discussion started as to whether we were in violation of some code, statute or ruling and it has gone downhill from there. Daisy chaining multiple power strips together One of the most dangerous yet Daisy chaining is the practice of connecting multiple power strips or extension cords together. Jun 21, 2023 · However, daisy chaining surge protectors is a risky move that can lead to serious electrical hazards. Electrical Cords: Electrical cords are used in almost every part of our lives. Daisy-chaining power strips 7 or loading multiple cords into a single outlet can be convenient, but it’s fraught with safety risks. Another common solution is to create a “mixed daisy chain,” interconnecting extension cords and power strips. While it might seem like a convenient way to get more power connections, it’s An extension cord, power strip or surge protector is only to be plugged directly into an outlet (not another extension cord, power strip or surge protector i. This is called “daisy-chaining” and can overload the circuit creating a potential fire hazard. Apr 10, 2024 · Running an extension cord off a power strip is known as ‘daisy-chaining’ and runs the risk of overloading the maximum capacity the power strip and wall power outlet can handle. Would it be safe to use another power strip and plug this one into it? I know its generally not recommended to daisy chain multiple power strips to not overload the circuit but in this case it is only used as an extender for my other power strip. However, facilities should use caution when substituting fixed building power with temporary power sources such as power-strips and extension cords. Is it a safe solution? POWER STRIPS & DANGEROUS DAISY CHAINS: According to NFPA, electrical fires consistently rank among the top 5 causes of commercial building fires. They must also meet the requirements of §1910. Daisy chaining power strips or using extension cords as permanent wiring is considered a fire code violation (one that we find all the time). It’s one of the most common violations OSHA cites during site inspections. Page 1 of 1 Most facilities were not built with enough fixed wiring that is needed for everyday operations. There are engineers and electrical experts online that will tell you that you can safely plug power strips together (“daisy chain”) or use power strips with extension cords. Power strips are not designed to be used this way, and it’s not worth the risk. Daisy chaining refers to the practice of connecting two or more extension cords or power strips together, often due to a lack of available outlets. One of the reasons is the supply of readily available electrical outlets is inadequate in some buildings, especially older ones. So I’m not sure what to think about this. To prevent electrical fires in the workplace, follow the do’s and don’ts below. The main power strip will have a bunch of stuff plugged in tho (pc, standing desk, and a few Feb 26, 2024 · What is daisy-chaining? Daisy-chaining is when multiple devices are plugged into and drawing power from a single socket. Daisy-chaining is especially common in older buildings (like ours),where limited outlets cause employees to link multiple power strips together or create "mixed daisy chains" of extension cords and surge protectors to increase access and/or reach greater distances. But daisy chaining’that is, connecting two or more extension cords or power strips together to gain additional outlets and/or length’is a very bad idea because it can overload circuits and cause fires, especially if you mix extension cords and power strips. Extension cords are TEMPORARY USE ONLY (<90 days). That's when it gets dangerous because you are doubling the draw on the 16-gauge cord. Mar 26, 2025 · Overloading power strips and extension cords is a common but dangerous practice that can lead to fires, electrical damage, and safety hazards. Can become a trip hazard Jan 13, 2025 · Furthermore, the daisy chaining of power strips and extension cords may damage the connected electronics. To meet power supply needs, extension cords or surge protected power strips are often interconnected, or “daisy chained,” to readily provide more outlets and/or to reach greater distances. OSHA has some clear regulations when it comes to using power strips and daisy chaining, also known as multi-plugging. Apr 29, 2025 · However, daisy-chaining a surge protector can make it less effective or even useless during a power surge because the extra load can prevent it from working properly, leaving your devices unprotected. Feb 6, 2025 · Why daisy chaining extension cords creates serious risks Daisy chaining, or connecting multiple extension cords together, is perhaps the most dangerous yet prevalent mistake homeowners make. Daisy-chaining of extension cords is not generally allowed (see above), however, extension cord sets may be daisy-chained to provide power. Jun 9, 2025 · If you’re dealing with limited outlet space in your home, office, or workshop, you may have considered the convenience of using a Daisy Chain Power Strip. When electricity travels through these connection points, it generates heat that can Feb 2, 2021 · The above are four conditions that need to be met when daisy-chaining power strips, extension cords, and surge protectors at home. Conclusion Power strips should not have other power strips and extension cords attached. Yes but the limiting factor is the load capacity of the power strip. Daisy Chaining This is a term that refers to power strips and/or extension cords being plugged into other power strips and/or extension cords. Today, you can buy high-end power strips that support a half dozen or more devices at once and include surge protection circuits so you can’t overload them even if you try. Jun 22, 2010 · For the last seven years, I have used an extension cord on a permanent basis to power my lights, water pumps, heaters, and air pumps because my basement has few outlets and isn't finished. # Using as perm anent wiring # Using unapproved extension cords # Overloading power capabilities of the cord during temporary use # Daisy chaining (plugging one extension cord into another and another, etc. Apr 20, 2018 · During inspections, power taps that are plugged into other power taps (daisy-chained) should be removed, because such arrangement is prohibited. 403 & 1910. Jun 6, 2016 · What is daisy chaining? “Daisy chaining is the practice of plugging multiple extension leads together, or plugging many multi-socket adaptors into a single socket. The reason is because it makes it very easy to overload a circuit. Jan 24, 2020 · This blog discusses fundamental electrical safety requirements outlined in the Fire Code to ensure safe and compliant electrical installations. Understanding these common mistakes could prevent a devastating electrical fire in your home. Apr 6, 2023 · Daisy-chaining is one thing to avoid. When to Use an Extension Cord Mar 23, 2022 · Make sure the power strip and outlet can support the load. I'm sure that there's some UL studies or articles that may enlighten you Jun 27, 2023 · Daisy-chaining means connecting multiple power strips together, which can overload the circuit and cause a fire hazard. , microwave, coffee maker, refrigerator, etc. Personally I feel an extension cord (as long as it’s in good working order) is safer and a better practice than daisy-chaining power strips to each other. May 2, 2025 · Do not "daisy chain" power strips or extension cords. It significantly increases the risk of overloading the circuit and causing a fire. Jun 25, 2023 · Another way to avoid daisy chaining is to use extension cords instead of power strips. Obviously, everyone does this anyway. Aug 3, 2025 · Connecting power strips together, a practice often referred to as chaining power strips, is another dangerous activity that amplifies the risks associated with daisy-chaining extension cords. DO NOT DAISY-CHAIN or plug surge protectors/power strips/extension cords together, due to risk of overloading the circuit and potential fire hazard. Jun 2, 2024 · Avoid Daisy Chaining: Never plug multiple power strips or extension cords into each other, as this can easily lead to overloading and electrical fires. Why is daisy-chaining dangerous? Daisy ‍ Common Misconceptions Many people mistakenly believe that extension leads or power strips can serve as permanent solutions or that daisy-chaining extension cords or plugging multiple extension cords together are safe. Jan 21, 2024 · Understanding Daisy Chaining What is Daisy Chaining? Daisy chaining refers to the practice of connecting multiple power strips or extension cords together in a series, allowing you to extend the reach of your electrical outlets. Appliances, Extension Cords, Power Strips, Surge Protectors – Certified By an Independent Testing Laboratory, Such as: Jul 25, 2025 · In conclusion, while the temptation to extend your reach by linking extension cords is understandable, the risks associated with daisy-chaining extension cords are significant. The electrical load for this strip should be evaluated for overloading. Jul 6, 2022 · Possible OSHA violations for misuse of UL listed power strips, surge protectors, and homemade electrical cords in shops and construction Electrical Safety- Daisy Chaining Introduction “Daisy chaining” is the connection of two or more extension cords or power strips. Dec 9, 2014 · I can't think of any obvious electrical problem with daisy chaining strips especially with multiple low power applications. Some cable overheating can occur locally where the cords bunch up and where plugs work loose. 4 days ago · “Daisy-chaining”—plugging multiple cords or power strips together—creates unnecessary resistance and heat. DO NOT use a power strip as a substitute for fixed wiring. Surge protectors, power strips, or extension cords are not a substitute for permanent wiring. DO NOT connect a power strip to extension cords. 305 (g) (1), Use of flexible cords and cables. Sep 24, 2025 · By using a single, well-designed power strip like this, you avoid the dangers of daisy chaining while still meeting all your charging and power needs. Jun 2, 2024 · Avoid Daisy Chaining: As mentioned, connecting multiple power strips together, known as daisy chaining, is a dangerous practice and should be avoided. Use surge protectors with circuit breakers built in and power strips with overload protection. Nov 5, 2024 · "Daisy-chaining" is when multiple power strips or extension cords are connected to one another. 1-48 of 383 results for "daisy chain extension cord" Results Check each product page for other buying options. Many a time, we have no choice but to extend the length of one power strip or surge protector using another extension cord in order to reach far-flung wall A/C outlets. Daisy chaining usually occurs when there are not enough established outlets to meet electrical needs. The supply of available electrical outlets or receptacles in some older buildings may be insufficient, which encourages some homeowners to interconnect surge- protected power strips and/or extension cords. The problem with daisy chaining power strips is that the internal wiring for each individual outlet is rated far lower than the power strip overall. Imagine a chain where each link is an extension cord, all plugged together to bring electricity to a distant point. Follow all safety codes, regulations, and standards according to OSHA, NFPA, and UL. ) To meet power supply needs, extension cords or surge protected power strips are often interconnected, or “daisy chained,” to readily provide more outlets and/or to reach greater distances. Doing so can lead to overloading and pose a fire risk. The Code trail that would prohibit that, is: 2012 Life Safety Code, section 19. Me personally, I put computers on their own power strip then daisy chain all the odd power adapters as needed to get all of them fed. Another common solution that is ofter used is to create a “mixed daisy chain,” by interconnecting several extension cords and surge protectors or power strips in series. 303 in Letters of Interpretation. Feb 27, 2019 · But when you say “What would be the appropriate standard for a daisy chain” I’m assuming you are referring to an extension cord (or power strip) plugged into another extension cord (or power strip). May 22, 2025 · Power strips: Power strips offer multiple outlets in one unit, allowing you to connect multiple devices without daisy chaining. com The emphasis needs to be on safety when using a power strip and/or an extension cord. Oct 30, 2025 · Despite popular beliefs, it is actually not dangerous if you decided to daisy chain surge protectors and extension cords to each other. Another common solution that is often used is to create a “mixed daisy chain,” by interconnecting several extension cords and surge protectors or power strips in a series. Oct 7, 2013 · A search of the internet and of Spiceworks has led me to believe that plugging one power strip into another is either very harmful or perfectly alright. Purpose: The purpose of this policy is to reduce the risks of electrical fires and safety hazards associated with improper use of extension cords and power strips. 5. Explore the safety of daisy-chaining power strips, discussing extension cords, surge protectors, and electrical safety. Oct 29, 2024 · More than 3,300 home fires start from power strips and extension cords each year. A surge protector hooks up to each extension cord. This practice, known as daisy-chaining power strips, is a major electrical safety hazard and can lead to overloading outlets, damage to your electronics, and even fires. This creates a series of electrical connections that can overload the circuit, leading to power surges, sparks, and even fires. According to Luby, though, this practice is a bad idea. Mar 28, 2024 · Furthermore, daisy-chaining power strips and extension cords create a daisy-chain effect, compounding the risk of overloading and creating a hazardous situation. Extension cords or surge protected power strips are often interconnected, or “daisy chained,” to readily provide more outlets and/or to reach greater distances. 1 for utilities. Relocatable power taps are for temporary use and should not take the place of permanently installed receptacles. Apr 29, 2022 · Ensure extension cords are properly rated for their intended use and meet or exceed the power needs of the appliance being used. Relocatable power taps are not intended to be series connected (daisy chained) to other relocatable power taps or to extension cords. This prolonged activity could increase the chance of fire and electrical shock to the end user. Check for lab certification and wattage limits on extension cords and power strips and make sure you are not overloading the circuit. This practice significantly increases the risk of electrical fires by creating resistance points at each connection. While extension cords are approved only for temporary use with portable appliances, power strips and surge suppressors may be used permanently if UL listed and in good condition. Dedicated outlets: Install additional outlets in your home to eliminate the need for extension cords altogether. For example, you might plug one power strip into an extension cord, and then plug another power strip into the first power strip, and so on. The interconnection of cord sets must be protected from damage and may not directly rest on a surface likely to become wet. If you need more reach, use a single cord long enough for the task or set up a temporary power distribution box. Jul 28, 2025 · Can you plug multiple power strips into a single outlet? The simple answer is no, you should not plug multiple power strips into a single outlet. e. 15', grounded, rated for 1875W and I think it was $9. When you daisy chain surge protectors, you’re essentially connecting multiple power strips together. Daisy chaining refers to connecting multiple power strips or extension cords together in a series. Nov 19, 2018 · Does OSHA mandate extension cords cannot be plugged into each other? OSHA references 1926. I. Daisy chaining is usually a result of inadequate access to power outlets and can lead to overloaded circuits and fire risk. To prevent a third mistake, you need to learn what types of appliances are and aren’t compatible with multi-plug tools. Most of the cheap ones aren't rated for higher currents, and they are all pretty cheaply built. Nov 17, 2025 · Understand the crucial safety risks of daisy-chaining power strips and extension cords. Remember that daisy chaining power strips together is not safe for many reasons. Nov 18, 2002 · Power strips are not designed for high power loads such as space heaters, refrigerators and microwave ovens, which can easily exceed the recommended ampere ratings on many power strips. DO NOT route the cord of a power strip through walls, windows, ceilings, floors, etc. See full list on portablepowerguides. If you chain a bunch of power strips together to give yourself unlimited outlets in a room, you can easily plug in more power than the wiring and/or the circuit was made to handle. Extension cords are designed to provide power to a single device, so they are less likely to overload the circuit. I'm wondering how big a sin it would be to daisy-chain another power strip off this one, as long as I don't exceed 15 amps in total (my power strips, extension cord and GFCI outlet are all rated at 15 amps). 1 requires compliance with section 9. By understanding the risks and taking appropriate precautions, you can protect your home and business from electrical hazards. Power Strips and Dangerous Daisy Chains The supply of readily available electrical outlets is inadequate in some older buildings. This refers to interconnecting multiple power strips and/or extension cords. I have a power strip that I need to extend the cable of. Get expert solutions for safe power distribution. Jan 23, 2025 · Avoid daisy-chaining extension cords or power strips together. Oct 23, 2024 · Avoid daisy chaining: While you can plug an extension cord into a power strip, avoid daisy chaining multiple power strips and extension cords together. It is important that they are in good condition prior to each use. If any part of the extension cord is “hot” while in use, this may be an indication that the cord is being overloaded and powering equipment beyond its rated capacity. Some examples include plugging multiple extension cords into each other or plugging an extension cord into a power strip instead of a wall socket. This is a common and frustrating reality for many of us. INSTALLATION DO NOT series connect (daisy chain) a power strip to other power strips. Aug 13, 2025 · Daisy chaining extension cords means connecting one extension cord into another, and then potentially another, to extend the reach of your power source. Requirements for Power strips, Surge suppressors, and Electrical Extension cords Per the Office of the State and University Fire Marshals, the following regulate these devices: The reason it is suggested not to 'daisy chain' extension cords together is because most people don't pay attention to amps and length so they might have a 75' 12-gauge cord and a 50' 16-gauge cord and just plug them together and try to pull 20 amps on the line. Staying under wattage limits, avoiding big appliances on shared strips, and checking for heat or damage keeps you out of trouble. " Plugging a powerstrip into a powerstrip or current tap is a breach of the UL guidelines and makes the installation non-compliant. Feb 3, 2025 · What is a daisy chain? Learn daisy chaining meaning, how to safely use power strips, surge protectors, and monitors without causing overloads. Find safe alternatives instead. 1. May 17, 2025 · Avoid daisy-chaining multiple power strips or extension cords to reduce electrical failure risk. . You're also adding some resistance, but that is usually trivial. While these convenient devices help us power our increasingly connected lives, many of us are unknowingly creating serious safety hazards. gvxp pdwj zmi oojbxkv unaxu okfxxl ibikib yvnvgg ucduw gawpj uewrxi omyiblw avjw sqkn nsnxevb