When you buy through links on our site, we may earn an affiliate commission at no cost to you.
Table of Contents
Top 10 Best 4 prong generator plug wj6420b in 2022 Comparison Table
- Powerful – Connect the locking outlet on your generator to the manual transfer switch on your home and extend up to 30 amps of power
- Flexible – The cold and heat resistant 25-foot, 10-gauge wire stays flexible in extreme temperatures and is rated for 250-volt use
- Weather Resistant – Service grade, abrasion and weather-resistant SJTW insulation
- Safe – Extend your power up to 25 feet away, protecting you and others from hazardous generator exhaust
- Reliable – Champion Support includes 1-year limited warranty with FREE lifetime technical support from dedicated experts
- 30 Amp Generator Inlet Box: 30Amp, 125/250V, 7500W POWER INLET BOX, NEAM L14-30 inlet plug, compatible with all 30 Amp NEMA L14-30 generator cord. 10 AWG max wire gauge. Outdoor certified power inlet box for generator. Ideal solution for power outages or emergency backup power to keep your home geared up and running.
- Green Light Indication: Upgarded design with a green light on the flip lid. The green light on when the generator plug in the power. The visible light provides more safety and convenience when it is working especially at night.
- Enough Space: There is plenty of room for heavy gauge wire and facilitates through-in. It's easy to getting the wires in the proper spot with the removable front panel. There are four 1.2-inch knockouts on the left, right, back and bottom for wiring to transfer switch or electric panel.
- Weatherproof&Sturdy Construction: Constructed of rugged steel and covered with corrosion resistant coating inside and out, our 30 amp power inlet box box is weatherproof and against the elements. The front lid can be closed securly when not in use to protect the connector inlet from moisture and dust.
- Buy with Confidence: Every 30 amp generator inlet box is backed by 18-month warranty. If you are not satisfied with your purchase, just contact with us and our Customer Service Team will help you RETURN OR REFUND.
- 240V 30 Amp, cannot transform to 120V
- L14-30P Ground connects 6-50R Ground
- L14-30P Hots connect 6-50R Hots
- L14-30P Neutral is empty(Open)
- ✅【Toughened Nylon Construction + Copper Brass Blades】 Insulated and solid nylon housing will keep non-current carrying parts from becoming energized and won’t crack in high abuse applications. Formed from a single piece of solid brass to reduce friction and overheating, providing excellent conductivity.
- ✅【Tight Lock】 Secure locking design that plug is locking tightly on electrical equipment to keep it from vibrating loose and falling out. Internal cord clamp assures secure wire connection.
- ✅【Safe Enough】 Each wire slide into a separate tube and to be tightened to prevent shorting or stray strands. Flexible rubber dust seal prevents moisture and contaminants from entering the wiring chamber.
- ✅【Good to Use and Install】 Ergonomic fluted body design with radial grip ridge is ideal for gripping, turning and pulling. Face and body feature alignment make it easy to assemble. Grip screws are installed from the same side to make tightening easy. Pocketed recess for cord grip screws deters the slippage of the screwdriver.
- ✅【Wide Application】 Typically used for generators, temporary power solution, transfer switches, welding equipment, RV, trailer & camper trailer & camper welding equipment, etc.
- Industrial Grade Locking Plug, NEMA L14-30P
- 30 Amp, 125/250 Volt, 60Hz, 3-Pole, 4-Wire Grounding
- Made of Polycarbonate Thermoplastic (PCT) material to provide the durability and resilience to withstand hard impacts and heavy force
- Easy to use for do-it-yourself installation; twists to lock with connector 66492-BK, NEMA L14-30C
- One-year warranty; UL Listed
- 【Generator to Transfer Switch Inlet Box】: NEMA TT-30 outlet usually is found installed in generators and RV power pedestals. You can connect your generator to a transfer switch for emergency power using this cord: NEMA TT-30P locking plug end connects to 3 prong generator outlet, NEMA L14-30R receptacle end connects to 4 prong power transfer switch inlet.
- 【SAFETY ASSURANCE】: 10 AWG 3 Conducor heavy duty cord made of copper with PVC in UL 62 standard for heat-proof insulation and antioxidants, and plug in UL 817 standard support.
- 【HIGHT QUALITY MATERIAL】: 600-Volt thermoplastic STW Jacket and 10 AWG (American wire gauge) x 3C all-copper wires, features excellent abrasion, oil and moisture resistance and flexibility. It should last for a long time even with rugged use.
- 【Produc Specification】: Recreational Vehicle Adapter cord TT-30P to L14-30R (Two hots bridged) support max 30 Amp overload, 125V, max wattage 3750 watts, 1.5 feet.
- 【Why Choose Us】: Rophor specializes in the production of various adapter power cords. 100% of the products have been rigorously tested to ensure that each product received by our user can work perfectly. Won’t sacrifice the quality for the price, we provide 5 years of worry-free maintenance, and look forward to your letter.
- [Adapts Generator to Transfer Switch L14-30 Inlet Box]: NEMA L5-30 outlet usually is found installed in generators, campgrounds, and marina docks. The most popular use for this adaptor cord is with transfer switches. You can connect your generator to a transfer switch for emergency power using this cord: NEMA L5-30P locking plug end connects to 3 prong generator outlet, NEMA L14-30R receptacle end connects to 4 prong power transfer switch inlet.
- [UL Compliant STW 10/3 AWG Configuration]: Made with STW 10/3 AWG high quality oxidation resistant oil free heat proof 10 gauge copper inner wire with 600-Volt durable PVC jacket insulation, 120/250V, supports max. 30Amp and 7500 Watts overload.
- [Heavy Duty Quality Copper Wire Construction]: This generator to transfer switch plug adapter is heavy shielded, sturdy, thick and makes your normal power cord a bit longer and makes it easy to connect your 3 prong generator to L14-30 transfer switch inlet box.
- [Quicker, Easier and Cheaper Solution than Hiring Electrician]: Calling an electrician to change the generator plug or rewire wall socket is a costly affair besides destroying the drywall and other modifications may be required. This 3 to 4 prong generator plug adapter offers a quicker, easier and cheaper solution. It’s super easy to install, no tools or electrical wiring knowledge is required, just plug in and the power is on.
- [3-Year Warranty & 30-Day Full Refund Policy]: This dryer adapter 3 prong to 4 prong comes with a 3-year warranty, contact for any questions you might have, also you may return it without any questions asked within 30-days of the purchase date for a full refund of the purchase price.
- √ Condition: Brand new and high quality, well packed
- √ Amps: 30A. Volts: 125/250V. NEMA: L14-30R
- √ Style:Twist Lock Type: Receptacle
- √ Replace worn or broken receptacles to bring new life to power tools, machines & extension cords.
- √ Built to strict quality control standards, 2 years warranty, hassle-free return and money back policy, buy with confidence!
- 【NEMA L14-30R】: Heavy Duty L14-30R Locking Plug, 3-pole, 4-wire Grounding Type at 125/250V, uses with 10-gauge cord for up 7,500W of generator with 30A outlet.
- 【KEEP OUT DEBRIS/ MOISTURE】: Built with rubber grommet inside, give moisture and dirt protection for different sizes of cords.
- 【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.
- 【BUILT TO LAST】: UL Listed, Well-conductive copper parts and Nylon bases construction are rugged and durable for dependable use. - We provide 24*7 friendly customer support and also back our products for 18 months. Please feel free to contact us.
- ALL-WEATHER INDOOR/OUTDOOR USE: 10 gauge/4-conductor, 30 amp, 4-pronged all rubber transfer switch extension cord. Rated for general indoor and outdoor use and is compliant with cradle mounts, portable AC units, air compressors, electric vehicle charges, and emergency electrical needs during power outages and other power connection purposes. Please note that this cord becomes less malleable in colder weather.
- EXCELLENT PLIABILITY: Pliable, flexible all rubber cord gives you a clean current in subzero weather conditions. Works tremendously for carrying a sustained load without overheating or becoming stiff. It is weather, water, and oil resistant, and may be used for extended periods of time year-round. A useful and reliable emergency extension cord that has excellent flexibility straight out of the box.
- TWIST AND LOCK MECHANISM: SJTW L14-30 locking power cords with 125-250 voltage. The locking plugs have the pins arranged in a circular manner. The plug is inserted and twisted to lock in place. This cord can be used to run any circuit in your breaker panel up to 30A. It is an ideal cable for running an emergency generator to your wall outlet.
- FOR HIGHER AMP LOADS: Larger gauge wiring is well built to give you peace of mind when running higher amp loads. The yellow rubber is accented by black molded ends that give high visibility. The cord rolls out cleanly and easily recoils when not in use, so storage is never a bother.
- SPICE UP YOUR BACKYARD: Our extension cord will give you the opportunity to have the ultimate backyard set-up without the hassle. Add some accessories around your patio while using our extension cord as a handy helper to get the job done.
Our Best Choice: Beauty Kate Dryer Adapter Cord 4 Prong to 3 Prong-NEMA 14-30P Male to 10-30R Female, 30A, 250V UL Compliant
Made For Your Old Dryer
Many new homeowners have a 4-prong dryer outlet. This is known as a NEMA 14-30R outlet. You might be bringing your older dryer with you to your new home. The older dryer will most likely have a 3-prong plug known as a NEMA 10-30P plug.
Do you have to rewire the 14-30R outlet in your home?
Here is adapt from new to old
NEMA 14-30 4-pron plug 125V/250V 30 AMP molded male, right angle.
NEMA 10-30 3-prong socket 250V 30 AMP molded connector, right angle.
Dryer Plug Adapter Cord 4 Prong to 3 Prong
NEMA 14-30P Male Plug to 10-30R Female
30 AMP, 250 Volt, Max Wattage 7500 Watts
Length:1.5 Feet / 18 Inch
New Dryer Outlet
This new 4 prong dryer outlet plug adapter is for connecting your old type of 3-pole dryer with 10-30 plug plug into new house 4-pole dryer 14-30 outlet to get power. It still has two hot wires, one neutral, and a grounding pin which will be safer. Both outlets shown still provide 30 Amps of service.
104 strands 0.254mm copper wire
100% Copper Conductor
UL 62 Standard
Durable PVC Jacket
High Resistance Insulation
Heat & Oxidation Resistant
It will remain flexible in extreme cold temperatures.
Old Dryer Outlet
This old 3 prong dryer outlet power socket is in most older homes. It uses two hot wires, and one neutral. More recently built houses will have the outlet shown above.
Fit for all NEMA 10-30P Dryer
【Specification】Dryer adapter cord 14-30 Plug to 10-30 Receptacle, 30 AMP, 250 Volt Max wattage 7500 Watts. Length : 18 inch (1.5 feet). Color : Black
【Material】Molded with electroplate copper terminal in order to avoid surface oxidation effectively.
【Security】UL approved for all PVC wire in UL 62 standard. Used 10 AWG stranded copper inner wire, support max 30 Amp overload.
【Instructions】NEMA 10-30 3-prong socket 250V 30 AMP molded connector, right angle.
【Instructions】NEMA 14-30 4-pron plug 125V/250V 30 AMP molded male, right angle.