13 best twist-lock generator cords of 2025 - Reviews by New York Garden

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The 13 best twist-lock generator cords of 2025

Updated: May, 08 2025

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In this September 2025 review, we explore the 13 best twist-lock generator cords options available. Our expert analysis, led by Adolph Green, ensures you find the perfect fit.

25FT 30 Amp Generator Extension Cord 4 Prong, NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty, Black ETL Listed

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best twist-lock generator cords

25FT 30 Amp Generator Extension Cord 4 Prong, NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty, Black ETL Listed

4.8

$56.99

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50FT 30 Amp Generator Extension Cord 4 Prong, NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty, Yellow ETL Listed

4.7

$75.99

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50 Amp Generator Cord, 10FT 50 Amp RV Extension Cord with Twist Lock, Generator Cable 50A 4 Prong, NEMA 14-50P to SS2-50R Heavy Duty 6/3+8/1 AWG STW Wire for RV Camper & House

4.7

$75.99

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50 Amp Generator Cord, 25FT 50 Amp RV Extension Cord with Twist Lock, Generator Cable 50A 4 Prong Yellow, NEMA 14-50P/SS2-50R Heavy Duty 6/3+8/1 AWG STW Wire for RV Camper & House

4.8

$124.99

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15FT 30 Amp Generator Extension Cord 4 Prong, NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty, Green ETL Listed

4.7

$34.99

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10FT 30 Amp Generator Extension Cord 4 Prong, NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty, Green ETL Listed

4.9

$24.99

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GEARit 30-Amp Generator Extension Cord, 120/250-Volt, 4-Prong, 7500W, NEMA L14-30P/L L14-30R, 10 Gauge SJTW Locking Power Cord for Manual Transfer Switch, Portable Generator Power Outage, 10 Ft, Green

4.8

$29.99

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huanchain 3 Prong 30 Amp Generator Cord 10 Feet Heavy Duty,NEMA L5-30P/L5-30R 10 Gauge 125V SJTW Black Lock Generator Extension Cord Waterproof, ETL Listed

4.6

$27.99

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25FT Heavy Duty 3 Prong Generator Locking Power Cord NEMA L5-30P/L5-30R,10 Gauge SJTW Cable, 125V 30Amp Yellow Generator Lock Extension Cord with UL Listed

4.7

$56.88

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MaxWorks 80841 25 Ft. Heavy Duty 4-Prong Twist Lock 125V/250V 30 Amp L14-30P (Male) L14-30R (Female) Generator Extension Cord

4.7

$32.98

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30 Amp Generator Cord 25FT and Power Inlet Box, NEMA L14-30P/L14-30R 125/250V Twist Lock Connector with Pre-Drilled NEMA L14-30P Generator Inlet Box for Generator to House, ETL Listed

4.8

$69.99

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FIRMERST Generator Extension Cord 30 amp Twist Lock Plug 12 Feet, NEMA L14-30P to L14-30R

$23.99

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50 Amp Generator Cord and Power Inlet Box, 15FT Generator Cords 50 Amp,125V/250V Generator Power Cord NEMA14-50P/SS2-50R Twist Lock Connector

4.7

contributing writer

I love helping people discover how to power their homes more efficiently. From small home improvement projects to large-scale generators, I’m passionate about sharing my knowledge of energy efficiency. I’m happy to answer questions about anything related to home or office energy conservation.