Top 10 NEMA L14-30P – Outdoor Generator Cords, Sets & Plugs

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1. Ovii technology


NEMA L14-30P/L14-30R Generator Extension Cords, 4 Prong Heavy Duty, 30 Amp 25 Foot,Yellow

Ovii technology #ad - Power cord is anti-cold weather rubber which stays flexible in cold weather. Avoid the trouble of straightening frozen power lines.

Protect against power outages caused by a variety of severe weather conditions, snow, such as hurricanes, and bad storms. 30amp extension cord with nema l14-30p to l14-30r plug, 500 watts, SJTW 10AWG cable 125/250 volts, 7, with tightly lock. Unaffected by rain or the elements other than discoloration from the sun. The yellow color makes it visible. Operating your generator to a transfer switch panel or inlet box. Apply to running power from generator to house.
BrandOvii technology #ad

2. Miady


Miady NEMA L14-30P Generator Plug, Grounding Type/UL listed, 30 Amp 4-Prong Industrial Grade Locking Male Plug Up to 7,500W

Miady #ad - Keep out debris/ moisture: Built with rubber grommet inside, give moisture for different sizes of cords. Nema l14-30p: heavy duty l14-30p locking plug, 4-wire grounding type at 125/250V, uses with 10-gauge cord for up 7, 3-pole, 500W of generator with 30A outlet.

Built to last: ul listed, well-conductive copper parts and Nylon bases construction are rugged and durable for dependable use. Safe enough: the contacts are in plastic housings without wrapping wires around screws, slide each wires into an individual tube and tighten, prevent shorting or stray strands. Tightly lock: screw down stress relief section, secure locking on generator to keep it from vibrating loose and falling out.
BrandMiady #ad
ManufacturerMiady #ad
Part NumberPD-20945

3. MPI Tools


MPI Tools Nema L14-30P to 6-50R Generator Power Cord Welder Adapter 3 Wire 125/250v 18 Inches Long

MPI Tools #ad - All of our power cords are hard service rated, and a running power of 7500 watts, which makes them the ideal choice no matter what your situation! 4 prong –equipped with a 4 connection “lock-in” relay, you’re sure to find the power transfer you need right here.

From a transformer explosion and mass power outage, to the hunting camp, MPI Tools serves you with quality. Enjoy better electrical equipment and auxiliaries from MPI Tools. Indoor and outdoor –whether you’re connecting from your generator to a power box outside or inside, we’ve got you covered. Offering 125/250 volts, we’ve made sure to bring you a versatile tool that will last! Emergency ready –equipped with superior weather-proofing, you can count on reliable 30 amp power flow, especially in those ”extreme” situations.

The better buy –mpi tool’s durable and reliable 10 gauge 3 wire nema l14-30p plug to 6-50r receptacle Generator Power Cord is the premium choice in price and quality.
BrandMPI Tools #ad
ManufacturerMpi Tools #ad
Weight14 ounces
Part NumberMPIL30p50r18AD



RVGUARD 4 Prong 30 Amp 40 Feet Generator Extension Cord, 125/250V Up to 7500W 10 Gauge SJTW Generator Cord with Cord Organizer, ETL Listed, NEMA L14-30P/L14-30R

RVGUARD #ad - The strain relief structure makes the cord not easy to pull out. Great value – big gauge and pure copper to avoid the cable getting overheating from long time use. Heavy duty – all-weather and water-resistance, much safer for emergency and extreme weather using. Etl listed – nema l14-30p to l14-30r sjtw 10 gauge 4 prong 40FT generator extension cord 125/250V. Well made – twist lock plug avoids cord falls off. Storage – colorful storage bag and cord organizer with carrying handle keep power cord neatly for storage.
BrandRVGUARD #ad
ManufacturerRVGUARD #ad
Part NumberRGGEC43040

5. Iron Box


Iron Box Part # IBX-78445 1 ft, NEMA L14-30P to L6-30R Power Cord Plug Adapter, 30A, 10 AWG, 125/250V

Iron Box #ad - Ul listed - tested for voltage Hi-Pot, Continuity, Polarity, and Insulation Resistance. Generator plug adapter - adapt your L6-30P Locking Plug to fit your L14-30R Generator Receptacle. Heavy duty - molded water resistant nema l14-30P Locking Plug to NEMA L6-30R Locking Connector. Life time warranty - Against Manufacturing Defects. Custom lengths - Available Upon Request.
BrandIron Box #ad
ManufacturerIron Box #ad
Part NumberIBX-4489

6. Cable Matters


NEMA L14-30P to 2X 5-20R, Cable Matters LED-Lit 4 Prong 30 Amp to 15 Amp Adapter for Generator 30 AMP to 110 Adapter Splitter 30 Inches

Cable Matters #ad - Portable generator 4 prong adapter is compatible with popular models such as the champion 7500 watt dual fuel portable generator, duromax XP4850ES portable generator, DuroMax XP4850EH portable generator, DuroMax Hybrid Dual Fuel XP12000EH, DuroMax XP10000E portable generator, All Power America 10000 Watt Dual Fuel Generator, Honda EM6500S generator and Westinghouse WGen7500DF generator.

Heavy duty 10 gauge 4 conductor 30 amp rv generator adapter easily supports the maximum current up to 30 amps for connected equipment; LEDs in each outlet verify that the power is flowing; A lifetime warranty and product support provides peace of mind when purchasing this 240V splitter that steps down to 120V. Outdoor rated 30 amp rv adapter with a stow cable jacket is weather and oil resistant; Flexible 30 amp to 110 adapter with dual 1 foot segments distributes temporary power at a job site or at home. Locked & lighted 2 outlet 4 prong generator adapter has a locking 4 prong l14 30P generator plug and two standard grounded outlets with an LED in each; L14 30 adapter is an essential accessory for RV power at the campsite, contractor power at the job site, or residential generator power at home.

15 amp to 30 amp adapter converts a 30a 120/240v locking receptacle on a generator to 2x 5-20r grounded outlets that accept standard NEMA 5-15P or 5-20P grounded cords; Safely power 20 amp equipment such as a refrigerator or a Microwave with this 30 amp generator cord; 30amp to 110V adapter is backwards compatible with 15 amp or less equipment.
BrandCable Matters #ad
ManufacturerCable Matters #ad
Height1.18 Inches
Length8.66 Inches
Width7.87 Inches
Part Number400075-3

7. Cable Matters


1.5 Feet NEMA L14-30P to 14-50R, Cable Matters 4 Prong 50 AMP to 30 AMP Generator Adapter 30 AMP to 50 AMP RV Adapter, Generator Cord

Cable Matters #ad - Rugged & safe 50 amp female to 30 amp male pigtail adapter with a right-angle 14-50 plug that seats security in the 50A receptacle; A locking NEMA 14 30R receptacle connects to the portable power unit cord to supply up to 7500 watts. Power distribution unit compatible with large stationary generators with a 50a receptacle; generator adapter 30 Amp to 50 with a 30A twist-lock compatible with portable power distribution models such as the CEP Construction Electrical Products 6503GU 30-Amp Mini portable Power Center and Coleman cable 01980 X-Treme Box 01980 portable Temporary Power Distribution Box.

Heavy duty 10 gauge power cord is rated to support a 30a connection up to 7500 watts; A lifetime warranty and product support with this 30 amp male to 50 amp female adapter provides peace of mind when purchasing this NEMA 14-30 to 14-50 adapter. 30 amp to 50 amp adapter cord adapts a 50a outlet from a power pedestal, a range outlet, service panel or a generator; Connect to a NEMA L14-30 locking generator female receptacle on a transfer switch or a L14-30 cord from a portable power distribution unit; Utilize 50A service, or a large standalone generator to connect to temporary power.

Outdoor rated 50 to 30 amp adapter for portable power has a 10/4 stw rating; flexible and weather-resistant generator cord is engineered with a 600V thermoplastic cable jacket and easy-grip features for unplugging the 50A connector from a generator or service panel and disconnecting the NEMA L14-30 connection from a transfer switch or power cord.
BrandCable Matters #ad
ManufacturerCable Matters #ad
Part Number400034-1.5

8. Waspt


20 Inches, Bslite Nema 30 Amp 125/250v L14-30P to 6-50R Generator Power Cord Welder Adapter 3 Wire

Waspt #ad - Nema 6-50r 30amp 250volt Welder Oultet. Support max 30 amp overload, 250 Volt, 7500 Watts. Our power cables we are selling passed 100% related safety and durable testing. Nema l14-30p 30amp 125/250volt Locking Plug. Durable and solid: 10-awg stw heavy duty cord 100% copper wire. With cul listed Approved Plug 91GG.
BrandWaspt #ad
ManufacturerWaspt #ad



RVMATE 4 Prong 30 Amp 15 Feet Generator Extension Cord, 125/250V Up to 7500W 10 Gauge SJTW Generator Cord, NEMA L14-30P/L14-30R

RVMATE #ad - By the way, there is different size to select. Various sizes: our generator extension cord can be used with generator, portable tools and other equipment.

Decent quality: the generator extension cord can endure bad weather due to strict production process and high quality material, the cord is waterproof and flexible. Safe design: constructed with twist lock plug and connector to prevent wire from falling during use. What you get: every package will contain generator extension cord, bag and towel, generator adapter plug, help you organize and clean the cord. Item detail: 15ft nema l14-30p to l14-30r sjtw 10 gauge 4 prong generator extension cord 125/250V up to 7500W.
BrandRVMATE #ad
ManufacturerRVMATE #ad
Part NumberGC43015-RM

10. S7


S7 50 Foot Heavy Duty Generator Locking Power Cord NEMA L14-30P/L14-30R,4 Prong 10 Gauge SJTW Cable, 125/250V 30Amp 7500 Watts Yellow Generator Lock Extension Cord Y

S7 #ad - Offering 125/250 volts, can run the max wattage of 7500 watts. Portable generator cord 50ftstw 10/4 stw jacket provides up to 600 Volts of ProtectionDesigned for use with reliance Manual transfer switches, transfer panels and power inlet boxes.

7500 watts 30 amp generator power cord 10 gauge 4 wire nema l14-30p and nema l14-30r is designed for connecting directly to your homes electrical system. Warranty and services7 promise 24 months warranty and lifetime warmhearted service to assure your long term enjoyment. Twist & lock designtwist locking design the plugs was design with the lock structure.

When the plug is inserted and twisted to lock place, hurricane, snow, it will not slipping from the generator socket due to wind, big rain, This is the best extension cord for your generator to connect with home appliance and electric power tools. Safe length 50ft with etl listedsafe extend your power up to 50ft away, protecting you and others from hazardous generator exhaust.
BrandS7 #ad
ManufacturerS7 #ad