20 Best 400 Watt Inverters [2024]

Are you looking for the best 400 watt inverters? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 400 watt inverters.

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1 400W Car Power Inverter DC 12V to AC 110V Car Charger with 4.8A Dual USB Car Outlet Adapter 400W Car Power Inverter DC 12V to AC 110V Car Charger with 4.8A Dual USB Car Outlet Adapter
2 Ampeak 400W Power Inverter 4.8A Dual USB Ports 2 AC Outlets Car Inverter DC 12V to AC 110V 11... Ampeak 400W Power Inverter 4.8A Dual USB Ports 2 AC Outlets Car Inverter DC 12V to AC 110V 11...
3 400W Car Power Inverter, DC 12V to 110V AC Converter with 2 Charger Outlets and Dual 3.1A USB Ports... 400W Car Power Inverter, DC 12V to 110V AC Converter with 2 Charger Outlets and Dual 3.1A USB...
4 VOLTCUBE 400W Power Inverter 12V DC to 110V AC Converter with 4.8A Dual USB Car Adapter with 2... VOLTCUBE 400W Power Inverter 12V DC to 110V AC Converter with 4.8A Dual USB Car Adapter with 2...
5 400W Power Inverter DC 12V to 110V AC Car Charger Converter with 4.8A Dual USB Ports and 2 AC... 400W Power Inverter DC 12V to 110V AC Car Charger Converter with 4.8A Dual USB Ports and 2 AC...
6 400W Pure Sine Wave Power Inverter DC 12V to 110V AC Car Plug Inverter Adapter Power Converter with... 400W Pure Sine Wave Power Inverter DC 12V to 110V AC Car Plug Inverter Adapter Power Converter...
7 400W Power Inverters for Vehicles - DC 12v to 110v AC Car Inverter Converter, 6.2A Dual USB Charging... 400W Power Inverters for Vehicles - DC 12v to 110v AC Car Inverter Converter, 6.2A Dual USB...
8 400W Power Inverter DC 12V,Output 110V-120V AC Car Inverter with USB Car Adapter 400W Power Inverter DC 12V,Output 110V-120V AC Car Inverter with USB Car Adapter
9 400W Car Power Inverter - DC 12V to AC 110V, Car Vehicle Inverter with 4.8A Dual USB, Dual AC... 400W Car Power Inverter - DC 12V to AC 110V, Car Vehicle Inverter with 4.8A Dual USB, Dual AC...
10 Krieger 400 Watt 12V DC to 110V AC Car Power Inverter, Modified Sine Wave, 2 Outlets, 2 USB Ports,... Krieger 400 Watt 12V DC to 110V AC Car Power Inverter, Modified Sine Wave, 2 Outlets, 2 USB...
11 BESTEK 400W Car Power Inverter with 2 AC Outlets and 5A 4 USB Charging Ports DC 12V to AC 110V Car... BESTEK 400W Car Power Inverter with 2 AC Outlets and 5A 4 USB Charging Ports DC 12V to AC 110V...
12 BESTEK 400W/500W DC 12V 110V Inverter with 4 USB Charging Ports, Power Converter with 2 AC Outlets... BESTEK 400W/500W DC 12V 110V Inverter with 4 USB Charging Ports, Power Converter with 2 AC...
13 Wagan EL2610 Gray 400W Pro Pure Sine Wave Power Inverter Wagan EL2610 Gray 400W Pro Pure Sine Wave Power Inverter
14 PowerDrive PWD400 400 Watt Power Inverter 12v DC to 110v AC with 2 Outlets 2 Ports PowerDrive PWD400 400 Watt Power Inverter 12v DC to 110v AC with 2 Outlets 2 Ports
15 BESTEK 400W Car Power Inverter DC 12V to AC 110V Car Adapter with 5A 4 USB Charging Ports BESTEK 400W Car Power Inverter DC 12V to AC 110V Car Adapter with 5A 4 USB Charging Ports
16 PowerBright 400 Watt Power Inverter, DC 24V to 120V AC Car Inverter, Modified Sine Wave with 120V AC... PowerBright 400 Watt Power Inverter, DC 24V to 120V AC Car Inverter, Modified Sine Wave with 120V...
17 Peak PKC0BO 400-Watt Tailgate Power Inverter Peak PKC0BO 400-Watt Tailgate Power Inverter
18 Tripp Lite 400W Car Power Inverter with 2 Outlets & 2 USB Charging Ports, Auto Inverter, Ultra... Tripp Lite 400W Car Power Inverter with 2 Outlets & 2 USB Charging Ports, Auto Inverter, Ultra...
19 Go Power! GP-400HD Heavy-Duty Modified Sine Wave Inverter - 400 Watt / 12V Go Power! GP-400HD Heavy-Duty Modified Sine Wave Inverter - 400 Watt / 12V
20 SYLVANIA - 400W Continuous / 800W Peak Power Inverter | DC 12V to 110V AC Power Car / RV Converter,... SYLVANIA - 400W Continuous / 800W Peak Power Inverter | DC 12V to 110V AC Power Car / RV...
SaleBestseller No. 1
400W Car Power Inverter DC 12V to AC 110V Car Charger with 4.8A Dual USB Car Outlet Adapter
  • 2022 Upgraded Version 400W Power Inverter: This correction wave car power provides 400 watts continuous DC to AC power and 600 watts of instantaneous...
  • Charge 4 Devices Simultaneously: Features dual 110V AC outlets and 4.8A/dual USB ports, which provides up to 4X faster charging speed, it can charge...
  • Low Noise & Compact Design: Built in silent automatic temperature-controlled cooling fan helps reduce heat and prevent shortages. Durable metal...
  • Safety Protection: Built-in fuse to protect your device, Auto shut off surge protection that guards against : high current, over heating and short...
  • 2-Year Warranty: GELOO aim is to provide HIGH-QUALITY PRODUCT & COMPLAINT-FREE CUSTOMER SERVICE. We provide 24 months warranty and after-sale customer...
SaleBestseller No. 2
Ampeak 400W Power Inverter 4.8A Dual USB Ports 2 AC Outlets Car Inverter DC 12V to AC 110V 11...
  • Introducing our upgraded Ampeak 400W power inverter, designed with your convenience and safety in mind. Enjoy continuous power for your electronics...
  • With two fast-charging 2.4A USB ports and two AC outlets (110V), you can charge multiple devices simultaneously, ensuring you always have enough power...
  • Advanced Safety Features: 11 safety features to protect your devices and inverter from overload and overcurrent
  • Optimal cooling technology: Two smart, quiet cooling fans start automatically if the load exceeds 280W or the temperature exceeds 104℉, ensuring...
  • [30 days no reason to return and 18 months customer service]: If there is any problem in the process of using, you can ask us for help and give you a...
Bestseller No. 3
400W Car Power Inverter, DC 12V to 110V AC Converter with 2 Charger Outlets and Dual 3.1A USB Ports...
  • 【DC to AC Inverter】: NDDI premium 400W car power inverter with 2 AC outlets,dual quick charging 3.1A USB ports and 1 DC cigarette lighter socket,...
  • 【Portable Size】: 7.48x 5.1x 2.55inches, Light Weight: 0.88 lb (400g). 21.65Inches cables, Our car Inverter unique design is more scientific and...
  • 【Multi-Protection】:Car converter made of insulation and ABS fire resistance material, and helps reduce heat and prevents shortages, built-in fuse...
  • 【Widely Use】: Power Inverter converter will solve your charging problems on the road, running equipment for travel. An excellent choice for a long...
  • 【Our Service】: NDDI car power inverter offer 24 hours customer service support for your 100% satisfaction.Our goal is to supply the best...
Bestseller No. 4
VOLTCUBE 400W Power Inverter 12V DC to 110V AC Converter with 4.8A Dual USB Car Adapter with 2...
  • 【POWERFUL INVERTER】:This power inverter provides 400 watts of continuous DC to AC power and 800W peak power to two independent AC outlets for...
  • 【DUAL USB PORTS】: 2 USB ports (2.4A each, max. 4.8A) for powering USB compatible devices, such as smartphones and tablets.
  • 【DURABLE AND STYLISH DESIGN】: Fashionable aluminum honeycomb structure is durable and looks great too. What’s more, it provides great heat...
  • 【SAFE FOR APPLIANCES AND BATTERIES】: 2x30 amps (60 amp max) built-in replaceable fuses protect your device and low noise cooling fan prevent...
  • 【A WORTHWHILE PURCHASE】: The Voltcube 400W car inverter comes with high-quality and gold plated metallic alligator clips, user manual, cigarette...
Bestseller No. 5
400W Power Inverter DC 12V to 110V AC Car Charger Converter with 4.8A Dual USB Ports and 2 AC...
  • 【Upgrade 400W Power Inverter】Provides 400 watts continuous DC to AC power and 600 watts of peak power.This car power inverter features dual 110V...
  • 【Fast Charging】Dual 110V AC outlets can charge larger devices such as laptops and tablets or plug in a new adapter for more charging needs; 2 USB...
  • 【Double protection mechanism】Smart chip + built-in fuse double protection mechanism.Safe charging design provides protection against, overheating,...
  • 【Portable design for journey】iPhone-sized design ideal for use on vacations, work trips, and camping. 24 inch cigarette lighter plug makes the...
  • 【Smart Premium Cooling Effect】Durable metal housing provides advanced protection from drops and bumps.Built-in silent automatic...
Bestseller No. 6
400W Pure Sine Wave Power Inverter DC 12V to 110V AC Car Plug Inverter Adapter Power Converter with...
  • 400W Power Inverter: BYGD Newly upgraded car power inverter provides 400 Watts continuous DC to AC power and 800 Watts peak power with 2 AC power...
  • Fast Charging: Car power inverter features dual 110V AC outlets and 2 USB ports. 4.8A/dual USB ports can automatically detect your devices to deliver...
  • Silent Cooling Fan: Smart Chips and Built-in very silent temperature-controlled cooling fan help reduce heat and prevent shortages. A durable metal...
  • Multi-Protection: Durable metal housing provides advanced protection from drops and bumps. Built-in 2 fuses to protect your device, safe charging...
  • Wide Applications: Great for charging smartphone, string lights, laptop, breast pump, CPAP machine, nebulizer, game console, kindle, TV, DVD...
Bestseller No. 7
400W Power Inverters for Vehicles - DC 12v to 110v AC Car Inverter Converter, 6.2A Dual USB Charging...
  • 【Pro Chaser Power Inverter Basics】: Our inverter produces 400 Watts continuous DC to AC power and 800 Watts instantons power, with dual 110V AC...
  • 【Ideal for Road Trips】: Plug-in & go drawing power from Cigarette Lighter Socket Charger. The 6.2A dual USB ports can be used to charge appliances...
  • 【Portable Design】: The compact cellphone-sized design ideal for carrying around in vehicles. The 30 inch (75 cm) cord allows the inverter to reach...
  • 【Built-in Safety Protection】The built-in fuse provides full protection against short-circuit, over-load, low-voltage, over-voltage &...
  • 【Durable Metal Housing】Durable metal housing provides advanced protection from drops and bumps. Evenly colored housing with neat laser print on...
Bestseller No. 8
400W Power Inverter DC 12V,Output 110V-120V AC Car Inverter with USB Car Adapter
  • Provides 400 Watts continuous DC to AC power, featuring 2 AC outlets and 1 USB ports for multi-purpose charging.
  • Dual 110V AC outlets for charging larger devices such as laptops and tablets, USB charging port for powering USB compatible devices. High Surge...
  • Compact Size, Light Weight, and High Efficiency: ideal design for use on vacations, work trips, and camping.
  • Multi-Protection: Safe charging design provides protection against overheating, under and over voltage charging, short circuiting, overloads, and...
  • Built-in Cooling Fans help reduce heat and prevent shortages. Durable metal housing provides advanced protection from drops and bumps. 12-Months...
Bestseller No. 9
400W Car Power Inverter - DC 12V to AC 110V, Car Vehicle Inverter with 4.8A Dual USB, Dual AC...
  • 【Pro Chaser Power Inverter Basics】: Our inverter produces 400 Watts continuous DC to AC power and 800 Watts instantons power, with dual 110V AC...
  • 【Ideal for Road Trips】: The 4.8A dual USB ports can be used to charge appliances such as kindles, cellphones, iPads, tablets, cameras, air pods...
  • 【Portable Design】Portable cellphone sized design and the 30 inch (75cm) long cord provide long reach for versatile uses. Ideal for road trips,...
  • 【Built-in Safety Protection】The built-in fuse provides full protection against short-circuit, over-load, low-voltage, over-voltage &...
  • 【Note & Warning】Place the inverter in a cool & dry location for its best performance. The power inverter generates the same lethal AC power as a...
Bestseller No. 10
Krieger 400 Watt 12V DC to 110V AC Car Power Inverter, Modified Sine Wave, 2 Outlets, 2 USB Ports,...
  • KRIEGER POWER INVERTER - 400 Watts Modified sine wave power inverter, converts 12V DC to 110V AC Power. Connect DC battery cables directly to your...
  • DIRECT CIGARETTE LIGHTER ADAPTER - Run your AC electrical devices with this inverter which plugs into your cigarette lighter or connects directly to a...
  • ULTRA SILENT THERMAL FAN & USB CHARGING PORTS – 2 USB Charging Ports (2.4A each) and Dual 110V AC Outlets for Charging Larger Devices up to 400W
  • ADVANCED PROTECTION - Tested, Validated and Approved for both Its Safety and Performance. ETL Approved Under UL STD 458 and CSA std C22.2
  • WHAT YOU WILL GET - 3 Year Parts & Labor Warranty, 400W Power Inverter, Cigarette Lighter Cord, Battery Clip Cables, Specialized Customer Service Team...
SaleBestseller No. 11
BESTEK 400W Car Power Inverter with 2 AC Outlets and 5A 4 USB Charging Ports DC 12V to AC 110V Car...
  • BESTEK Advantage: America's #1 power inverter brand. Provides 400W continuous DC to AC power and 1000W instantaneous power, featuring 2 AC outlet and...
  • Multi-Protection: Built-in replaceable 30A/32V*2 fuses and cooling fan for safety and easier maintenance. Full protection and auto-shutdown keep your...
  • Fast Smart Charging: Two 110V AC outlets for charging larger devices such as laptops and tablets, 2 USB charging ports (0-2.4A) for powering USB...
  • Ultra Compact and Lightweight: iPhone-sized design ideal for use on vacations, work trips, and camping. 24 inch cigarette lighter plug makes the power...
  • What You Get:1 x BESTEK 400W Car power inverter, 1 x User Manual, 2 x Battery clamps, 1 x Cigarette lighter plug cable. (18-Months Warranty).
Bestseller No. 12
BESTEK 400W/500W DC 12V 110V Inverter with 4 USB Charging Ports, Power Converter with 2 AC Outlets...
  • BESTEK-Leading Brand in America: Powerful Dominator& pioneer in Power Inverters'R&D and innovation. Enjoy a reputation of Best Seller in this industry...
  • Comprehensive New Upgrade Version: BESTEK focus on every details' upgrading. Diamond-like quality with high performance, extraordinary texture and...
  • Noise Elimination& Multi-functional: A breakthrough in eliminating the noise from the built-in cooling fan, all-round ventilation system to dissipate...
  • Safety Protection: Built-in fuses to avoid overload/current/voltage/heat/short circuit, etc. Matte indicator light reduces driver’s sight...
  • Best Solution Service Provider: BESTEK's customer service covers 23 countries and areas around the world. 18 months warranty and easy to reach...
SaleBestseller No. 13
Wagan EL2610 Gray 400W Pro Pure Sine Wave Power Inverter
  • Perfect for recharging devices on the go and for people with mobile lifestyles
  • Plug the inverter into the 12V DC socket (up to 150W) or attach directly to the vehicle battery with the alligator clamps (included)
  • Provides 400W continuous power and 800W peak surge power
  • Safety features such as overload, overheat and low battery protection
  • Designed to be efficient, the pure sine technology allows appliances to recharge faster, save energy costs and extend the life of appliances
Bestseller No. 14
PowerDrive PWD400 400 Watt Power Inverter 12v DC to 110v AC with 2 Outlets 2 Ports
  • 400W continuous power - powers AC devices like a blender or laptop up to 400 watts using your truck or car battery
  • Two 3-prong AC outlets - power smartphones or tablets and other devices
  • Dual ports - standard 2.4A USB and 3.0A USB-C(TM) to power or charge handheld video games or other devices
  • Removable ATC fuses - easy to replace
  • This inverter includes a 12 volt plug and compatible 36-inch cables to convert 12V DC power from your vehicle battery into 110V AC power
SaleBestseller No. 15
BESTEK 400W Car Power Inverter DC 12V to AC 110V Car Adapter with 5A 4 USB Charging Ports
  • BESTEK Advantage? America's #1 power inverter brand. Provides 400W continuous DC to AC power and 1000 watts of peak power
  • Dual 110V household electrical outlets provide enough power for your laptop, digital camera, TV, fan, refrigerator, game console, DVD/Blu-Ray player,...
  • 5A/ 4-Port USB charging ports make this power inverter ideal for charging your phones, tablets, and other USB-powered devices
  • Built-in replaceable 30A/32V*2 fuses and cooling fan for safety and easier maintenance. This power inverter has over voltage, overload, over-current,...
  • Comes with 2. 3ft car cigarette lighter plug and 2ft black/red battery clips to plug into your cigarette lighter or connect directly to your vehicles...
Bestseller No. 16
PowerBright 400 Watt Power Inverter, DC 24V to 120V AC Car Inverter, Modified Sine Wave with 120V AC...
  • 400W CAR POWER INVERTER - 400 Watt continuous power, 800 Watts peak power, the ML400 modified sine wave inverter converts 24V DC to 120V AC power...
  • DIRECT CAR CIGARETTE LIGHTER - This car inverter features a car cigarette lighter adapter & a dual 3-prong 120 Volt AC outlets for powering multiple...
  • THERMAL CONTROLLED COOLING FAN - Microprocessor controlled inverter that runs cooler with a built-in cooling fan. It is housed in an anodized aluminum...
  • MULTI-PROTECTION - This heavy duty inverter has all the protections that you will need. Overload, over-voltage, under voltage, high temperature and...
  • WE GOT YOU COVERED - You can’t go wrong with Power Bright! We believe in our product and quality and we offer the warranty that proves it – “1...
Bestseller No. 17
Peak PKC0BO 400-Watt Tailgate Power Inverter
  • Higher power mobile powerstrip for more versatile tailgating and for vehicle use
  • Three 110/120 volt AC outlets
  • Two USB power outlets
  • Short circuit protection
  • High/low voltage protection
Bestseller No. 18
Tripp Lite 400W Car Power Inverter with 2 Outlets & 2 USB Charging Ports, Auto Inverter, Ultra...
  • CONVERT 12V DC POWER TO 120V AC POWER: 400W Inverter w/ 2 AC outlets and 2 USB ports provide 800 Watt of peak power, great for charging laptop,...
  • VERSITILE, FAST CHARGING: The PV400USB features two AC outlets, a 2.1A USB port and a 1.0A USB port. Perfect for smartphones, laptops, tablets, GPS...
  • EASY TO USE: DC jack plugs into the cigarette lighter socket in your car, truck, boat or RV; or Battery Cables connect directly to the battery (always...
  • PREMIUM SAFTEY FEATURES: built-in 40 amp fuse to protect your device. Safe charging design provides protection against overheating, under and over...
  • HIGH QUALITY WITH 1-YEAR WARRANTY: Durable housing provides advanced protection from drops and bumps. Integrated cooling fan helps reduce heat and...
SaleBestseller No. 19
Go Power! GP-400HD Heavy-Duty Modified Sine Wave Inverter - 400 Watt / 12V
  • Easy solution for small power loads
  • Plug it into your vehicle's lighter socket for a quick supply of portable power, whenever you need it
  • Output: 400 Watts; two outlets
  • Input: 12 volt
  • Dimensions: 6.3" x 4.3" x 2.6"
SaleBestseller No. 20
SYLVANIA - 400W Continuous / 800W Peak Power Inverter | DC 12V to 110V AC Power Car / RV Converter,...
  • Fast Charging | Provides up to 400 watts continuous DC to AC power and 800 watts of surge power. The perfect way to charge a cell phone, tablet, game...
  • Modified Sine Wave | This fast charging Modified Sine Wave inverter features two 110V AC outlets and 2 USB ports to allow for charging or powering up...
  • Plug and Play | Connect the SYLVANIA 400W Inverter 12V DC plug into the cigarette lighter port to provide 120V AC output to conveniently power small...
  • Compact | Convenient for road trips, vacations, work trips, camping, RVs, Compact size allows for easy storage in your vehicle or RV.
  • Include In The Box | Power Inverter, Clamp Cables for Battery, o-clips for motorcycle battery, user instructions.

Having trouble finding a great 400 watt inverters?

This problem is well understood by us because we have gone through the entire 400 watt inverters research process ourselves, which is why we have put together a comprehensive list of the best 400 watt inverterss available in the market today.

After hours of searching and using all the models on the market, we have found the best 400 watt inverters for 2023. See our ranking below!

How Do You Buy The Best 400 Watt Inverters?

Do you get stressed out thinking about shopping for a great 400 watt inverters? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 400 watt inverters, which is why we have assembled a comprehensive list of the greatest 400 watt inverters available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 400 watt inverters that you consider buying. Your questions might include the following:

  • Is it worth buying an 400 watt inverters?
  • What benefits are there with buying an 400 watt inverters?
  • What factors deserve consideration when shopping for an effective 400 watt inverters?
  • Why is it crucial to invest in any 400 watt inverters, much less the best one?
  • Which 400 watt inverters are good in the current market?
  • Where can you find information like this about 400 watt inverters?

We’re convinced that you likely have far more questions than just these regarding 400 watt inverters, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 400 watt inverters, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 400 watt inverters. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 400 watt inverters buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 400 watt inverters currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 400 watt inverters has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 400 watt inverters?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 400 watt inverters.
  5. Customer Ratings: Number ratings grade 400 watt inverters objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 400 watt inverters.
  7. Product Quality: You don’t always get what you pay for with an 400 watt inverters, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 400 watt inverters is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 400 watt inverters information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 400 watt inverters is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What can you run on a 400 watt inverter?

A: – Small televisions (up to 32″) – Blender – Laptops – Cell Phones – Cameras – MP3 Players – Handheld Video Games – Lights/Lamps – Portable Stereos – CD/DVD Players

Q: Who makes the best inverters?

A: Brand: Renogy Model: RNG-INVT-1000-12V-P2 Wattage rating: 1,000 watts

Q: What will a 400 watt power inverter run?

A: TVs: 80 to 300 watts. A 400 watt inverter can also run an air cooler (65W), aquarium pump (25W), cordless drill charger (70W) and a dehumidifier (240W). There are many other appliances and devices that should work, so check the label to see if it will run on this inverter.

Q: What size wire to use on 400 watt light bulb?

A: Wire gauge or size can be found printed on electric cables. You will normally see number series labels such as 12-3 and 14-2: the first number is the wire gauge. Other factors that affect wire size are the length and wire type. If your wiring circuit length is in excess of 50 feet, you will need a larger gauge wire.