Best Generator Extension Cables of 2025

Toby Butcher Avatar
Toby Butcher
Last Updated: 2 Feb 2025

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Generator extension cables are essential accessories for anyone who needs to power their electrical devices from a generator that is situated at a distance. These cables come in various lengths and are designed to safely transfer electricity from the generator to your appliances. They are made of high-quality materials and are built to withstand the rigours of outdoor use. With these extension cables, you can ensure that your power needs are met without compromising on safety or convenience.

At a Glance: Our Top Picks

Ceyodo 50 Amp 15FT Generator Extension Cord Cover #TOP 1
Ceyodo 50 Amp 15FT Generator Extension Cord
ftb score rating icon 9.8
PRO ELEC 10m 4 Gang Surge Protected Lead Cover #TOP 2
PRO ELEC 10m 4 Gang Surge Protected Lead
ftb score rating icon 9.7
Philips Hue Play 5m Extension Cable Cover #TOP 3
Philips Hue Play 5m Extension Cable
ftb score rating icon 9.5

Top 10 Generator Extension Cables

#TOP 1

Ceyodo 50 Amp 15FT Generator Extension Cord

Ceyodo
HKPH-FCD50A15FT
balck
Ceyodo 50 Amp 15FT Generator Extension Cord Cover
Generator Cord 50 Amp 15FT, Generator Extension Cord with Power Inlet Box and Generator Interlock Kit, NEMA 14-50P to SS2-50R STW 6/3+8/1 AWG 125/250V Twist Lock for Generator to House, ETL Listed

The Ceyodo Generator Cord is a reliable solution for your power needs, featuring ETL certification for safe usage. It's constructed from pure copper with a flame-retardant coating, ensuring durability and safety during connections. With a length of 15 feet, you can easily reach your home or outdoor equipment. Additionally, the IP65 waterproof generator inlet box allows for convenient connections from various angles, making setup effortless during emergencies. This extension cord supports both 125V and 250V, catering to different power requirements.

What We Like
ETL certified for safety
Durable copper construction
15-foot length for flexibility
Convenient inlet box design
Supports multiple voltage modes
#TOP 2

PRO ELEC 10m 4 Gang Surge Protected Lead

pll11239
Black
PRO ELEC 10m 4 Gang Surge Protected Lead Cover
pro elec pll11239 10 m 4 Gang Surge Protected Extension Lead - Black

The PRO ELEC Surge Protected Lead is a versatile 10-metre extension lead with four gang sockets, designed for your convenience. Its surge protection feature safeguards your devices from power spikes, ensuring safety during use. The integral neon indicator allows you to easily see when the power is on, providing peace of mind. With a 13 Amp rating, it is suitable for various appliances, making it ideal for both home and office settings. This extension lead offers an efficient solution for your electrical needs.

What We Like
Surge protection for devices
Integral neon power indicator
Long 10-metre cable
Four gang sockets
13 Amp rated for versatility
#TOP 3

Philips Hue Play 5m Extension Cable

915005750101
Black
Philips Hue Play 5m Extension Cable Cover
Philips Hue Play Extension Cable, Black, 5m

The Philips Hue Play Cable is designed specifically for extending the distance between your power supply unit and Hue Play lights. This versatility allows you to position your lights further apart, enhancing your lighting setup. Additionally, it enables you to extend the spacing between each light point, giving you greater flexibility in your room arrangement. With this extension cable, you can create a customised lighting experience that suits your preferences, making it an invaluable accessory for any Philips Hue user.

What We Like
Compatible with Hue Play
Flexibility in light positioning
Enhances lighting setup
Extends distance between lights
#TOP 4

50m 2.5mm 3 Core Outdoor Cable

50m 2.5mm 3 Core Outdoor Cable Cover
50m 2.5mm 3 Core Arctic Yellow Flex Cable 3183AG 20 AMP Rated BS6004 BASEC Approved Outdoor Cable

The Event Distribution Arctic Cable is a robust 50m long extension cable, designed for outdoor use. With a 20 AMP rating, it provides reliable power for various applications, ensuring your devices operate smoothly. Its temperature rating of -40°C to +60°C means you can use it in extreme weather conditions without worry. Made from high-quality materials, this cable offers durability and peace of mind, making it an excellent choice for outdoor electrical needs.

What We Like
High-quality and durable
Suitable for extreme temperatures
20 AMP power rating
Long 50m length
Ideal for outdoor use
#TOP 5

100m 2.5mm 3 Core Arctic Cable

100m 2.5mm 3 Core Arctic Cable Cover
100m 2.5mm 3 Core Arctic Yellow Flex Cable 3183AG 20 AMP Rated BS6004 BASEC Approved Outdoor Cable

The Event Distribution Arctic Cable is a high-quality 100m extension cable, ideal for outdoor use. Rated at 20 AMP, it ensures reliable power delivery for various applications, providing peace of mind when powering your equipment. With a temperature rating ranging from -40°C to +60°C, this cable is built to withstand extreme weather conditions, making it perfect for outdoor settings. Its three-core design enhances safety and efficiency, ensuring that you can work confidently, regardless of the environment.

What We Like
High-quality construction
Suitable for extreme temperatures
20 AMP power rating
Ideal for outdoor use
Long 100m length
#TOP 6

as - Schwabe 61028 25m CEE Extension Cable

61028
H07rn-f 5g6
as - Schwabe 61028 25m CEE Extension Cable Cover
as - Schwabe 61028 Extension CEE 25 m H07RN-F 5G6, 400 Volts, 32 Amp, 5 Pole, IP44 Outdoor Use

The as - Schwabe 25m Extension is a robust extension cable that is perfect for outdoor use. With a length of 25 metres, it features a CEE plug and coupling, allowing you to connect to various power sources easily. Its strong current capability makes it suitable for work in construction and agricultural settings. Additionally, with an IP44 protection rating, it safeguards against dust and splashing water, ensuring reliable performance even in challenging conditions.

What We Like
Durable for outdoor use
Long 25 metre length
IP44 water protection
Suitable for construction work
Strong current capability
#TOP 7

Pro Elec 4-Gang Surge Protected Extension Lead

H4G+2M
White
label '4g 2m'
Pro Elec 4-Gang Surge Protected Extension Lead Cover
Pro Elec H4G+2 m 4-Gang Surge Protected Extension Lead, White, 2 m Lead

The Pro Elec Extension Lead is designed for convenience and safety. With a cable length of 2 metres, you can easily reach distant power sources without hassle. It features four outlets, allowing you to connect multiple devices at once, perfect for home or office use. The UK plug type ensures compatibility with standard sockets, providing you with versatility. Additionally, the surge protection feature safeguards your devices from power spikes, giving you peace of mind while you work or relax.

What We Like
Surge protection for devices
Four outlets for multiple devices
2-metre cable for flexibility
Compatible with UK plugs
#TOP 8

as - Schwabe 10m Industrial Extension Cable

60564
H07BQ-F 5G2.5
10 m
as - Schwabe 10m Industrial Extension Cable Cover
as - Schwabe Extension Cable 10 m H07BQ-F 5G2.5 - With Phase Reverse Plug - 400V, 16A, 5-pole, 6h, 11kW - Industrial Extension Cable - Robust CEE Extension for Outdoor Use - IP44, 60564

The as - Schwabe Extension Cable is a robust 10-meter CEE extension cable designed for demanding environments. Its high-quality CEE phase reversal plug ensures a reliable connection, making it ideal for outdoor use. The cable is resistant to extreme mechanical stress, as well as oil and abrasion, providing durability in various applications. Additionally, its safety orange colour makes it easily visible on construction sites, enhancing safety for users.

What We Like
Durable for extreme conditions
Oil and abrasion resistant
Visible safety orange colour
Reliable CEE phase reversal plug
#TOP 9

Unitec 44590 Rubber Extension Cord 25 m

44590
Unitec 44590 Rubber Extension Cord 25 m Cover
Unitec 44590 Rubber Extension Cord H05RR-F 3G1.5 mm² 25 m Red

The Unitec 44590 Extension Cord is designed for outdoor use, making it ideal for various outdoor activities and projects. Its moisture protection feature ensures that you can use it in damp conditions without worrying about safety issues. The vibrant red colour makes it easy to spot, reducing the risk of tripping over it. With a length of 25 metres, this extension cord provides ample reach, allowing you to connect your devices from a distance without hassle.

What We Like
Moisture protection
Ideal for outdoor use
Bright red colour
25 m length
#TOP 10

BGS 2323 Flexible Extension Bar 190 mm

BGS
2323
Chrome
Klein
BGS 2323 Flexible Extension Bar 190 mm Cover
BGS 2323 | Flexible Extension Bar | 12.5 mm (1/2") | 190 mm

The BGS 2323 Extension Bar is crafted from durable chrome vanadium steel, ensuring longevity and strength for various tasks. With an external square profile, it offers a secure fit that makes it easy to connect with other tools. The metric drive profile size of 12.5 mm (1/2") provides versatility for different applications, allowing you to work with a range of sockets. At a length of 190 mm, this extension bar helps you reach tight spots and angles, making your job more efficient and less strenuous.

What We Like
Durable chrome vanadium steel
Secure external square profile
Versatile 12.5 mm drive size
Convenient 190 mm length
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is it safe to use extension cords with generator?

Generator Extension Cord - Extension cords connected to a portable generator are intended to power outdoor items only. Indoor items are best powered by using a transfer switch. ... Also running extension cords into your home from outdoors through windows, doors and vents can damage cords posing a shock or fire hazard.

2. Do I need a special extension cord for a generator?

An extension cord is essential to connect electronic appliances because they can't be plugged directly into the generator outlet. These cords come in different lengths and gauges, but many are not compatible with portable generators.

3. What gauge extension cord should I use with my generator?

You can use the 1-15 in a 5-15R or 5-20R. When shopping for portable generators, the predominant outlets are the 5-20R and the L5-20R or L14-30R.

4. How do I connect a generator to my house extension cord?

You simply plug the gen cord into the 20- or 30-amp outlet on your generator. The opposite end splits into several household outlets, where you can start connecting additional extension cords safely indoors.

Editor's Notes

During our generator extension cable research, we found 14 generator extension cable products and shortlisted 10 quality products. We collected and analyzed 17,601 customer reviews through our big data system to write the generator extension cables list. We found that most customers choose generator extension cables with an average price of £63.26.

The generator extension cables are available for purchase. We have researched hundreds of brands and picked the top brands of generator extension cables, including Ceyodo, PRO ELEC, Philips Hue, Event Distribution, as - Schwabe.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.