Skip to product information
1 of 9

NEMA L14 30P & NEMA L14

NEMA L14 30P & NEMA L14

Regular price $89.99 USD
Regular price Sale price $89.99 USD
Sale Sold out
Shipping calculated at checkout.

Key Features

  • đŸ’Ș HEAVY DUTY SET – Plug + Connector This complete NEMA L14-30 locking connector set includes both L14-30P plug and L14-30R receptacle. Industrial grade performance with high impact & heat resistant nylon bodies. One‑piece high‑grade brass contacts provide excellent conductivity and heat‑rise resistance – built to last for 30 amp twist lock plug applications.

Specifications

Brand NOVINSEN
Product Type ELECTRICAL_PLUG
Item Type Keyword electric-plugs
Quantity
View full details

  • 5 stars: 6 (75%)
  • 4 stars: 2 (25%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
R
Ryan Roberts
Nice set of connectors, easy to grip and use, simple internal connections.Nice set of connectors,...

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1, Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
Perfect ends when making a custom length cable to do just what you need, nothing more, nothing less. Easy to assemble with simple internal connections. Twist and lock secure on both ends. Very nice build quality and handles well.

R
Ryan
High Quality Plug set for a good priceHigh Quality Plug set for a good price

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1, Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
I have a 7000w Solar Generator that has a a L14-30R connection. I wanted to make my own extension cord to allow me to plug the generator into an inlet box for my sub panel’s transfer switch. This set of Male and Female cord connectors worked great. Each of the conductor terminals has strong screws that tightly grip the wires. The plastic housing is robust and has handled some abuse of being dropped on concrete floors without suffering any damage. The twist-lock performs great and keeps the plugs fastened and reduces the chance of the plug accidently falling out. The is also a rubber gasket on the backside to keep water from intruding into the connector. Overall, im really impressed with these and I think they were a great buy.

B
Bob
A solid twist-lock set for generator-cord projects!

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
This NOVINSEN set gives you both ends of the equation: an L14-30P male plug and an L14-30R female connector. If you are building or repairing a generator extension cord, it is the right kind of hardware for a proper 30-amp 125/250V four-wire connection—not the “close enough” setup you discover is not close enough when the power goes out.ProsIncludes both the male plug and female connector, so I can build a complete L14-30 extension cord or replace worn-out ends without buying parts separately.The twist-lock design is the real feature here. Once it is connected and turned, it stays put better than a standard straight-blade plug that can work loose. L14-30 is a four-prong, 30A, 125/250V configuration commonly used with portable generators.Suitable for generator, RV, transfer-power, and heavy-duty temporary-power projects where a secure connection matters.This plug type supports up to 7,500 watts at its 30A/125–250V rating, provided the entire system—including the generator, cord, breakers, and connected load—is correctly rated.A useful repair-kit item to keep around if you already own generator cords and do not want a damaged connector to take the whole cord out of service.Less glamorous than a new generator, but much more satisfying than realizing your old cord end cracked right before a storm.ConsThis is not beginner “plug it in and send it” work. Correct wire size, terminal tightening, grounding, strain relief, and polarity all matter; common L14-30 plug guidance calls for at least 10-gauge wire.Verify that you truly need L14-30P/L14-30R—not L5-30, TT-30, 14-50, or another look-alike connector—before ordering.

L
L. Eilander
Great way to connect a generator to your house.Great way to connect a generator to your house.

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1, Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
I got these to run power from my emergency generator to my house using its high current outlet instead of just extension cords.It fit my generator perfectly. The house inlet box fit a little tight, but I feel like that's the box to blame, not the plug.These are nice and chunky with some textured grip, which would be nice when you're fumbling around in a blizzard with numb fingers.Now all I need is some wire and a safety interlock and my emergency power system is good to go!IMPORTANT: this is not necessarily the connector that your generator needs. Look at the NEMA type on your generator's high current output port. I have circled what that looks like in one of the attached photos.

D
Dory Launching Assistance
The most common 30 amp connector for generators.The most common 30 amp connector for generators.

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1, Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
As the title States this is the most common 30 amp connector for most generators on the market. I have a Honda generator that uses this exact connector and was needing a way to use a heavier cord to extend it away from the house further. This two pack of 30 amp nema l14 connectors was exactly what I was looking for. It was extremely handy that it comes with both connectors both female and male connector the l14-30p and the l14-30r allowing me to make my own cord long enough so that my generator could be protected in the shed away from the house.The connectors themselves look to be high quality and UL rated which gives me a piece of mind knowing that these connectors will not have any issue with reliability or durability.All in all I would highly recommend these connectors to anyone with a standard backup generator that needed a way to connect it to their house obviously all electrical connections should be done by a qualified electrician but these are pretty straightforward and simple and your average homeowner should be able to easily install these safely.As always my recommendations are based off of quality, versatility, usability, ease of use, ease of installation, durability, reliability, fit and finish, and a good value for your money.

H
HUA
A handy set of both male and female NEMA L14-30 generator connector endsA handy set of both male ...

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1, Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
I looked at my existing generator cord sets the other day and realized I had both a male-to-female cable and a male-to-male cable. The type of connection you will need will depend on your specific application and nothing is more frustrating than needing one type but having the other. This set of NEMA L14-30 locking four-prong connectors by NOVINSEN is useful to have on hand to remedy such incompatibilities when they arise. Each accepts as small as 16 AWG up to 10 AWG four-conductor cable. The end that the cable enters each connector has a rubbery membrane that seals tightly around the sheath of each cable to enhance moisture resistance. The other application for these is when the cord you have is too short and you need to make up your own cord from stock cable. It is important to get your connections correct and to torque each to the recommended spec of 16 N-m so nothing comes loose over time. Pricing is excellent for this handy set. Recommended.

J
Jake Zeppa
Great connectors to make or repair a 30A extensionGreat connectors to make or repair a 30A extension

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1, Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
Here you’re getting the same connector you can get at the big box store, with a small discount. The connectors themselves are pretty high quality, and UL marked. I’d argue that the wire connection part could be a little beefier, but this is designed for 10awg wire at 30A. As such, the demand isn’t the same as a 50A connector for example.Overall this set checks all the boxes. The connectors are solid, the wire holders sufficient and the strain relief is built in using a very nice design. And if you’re using a harness that’s round (not thhn for example), this should seal out most water.In my case, I’m in the process of building up my power building at my off-grid property. These connectors will be used on the end of an extension cord between the building and generator. Testing the fit at each end on a Predator 4375 generator and wall connector to be on the building, both fit tight and perfect. Overall I’m quite happy with these connectors!

D
Douglas
The standard generator connector and receptacle for extension cables and other 240V uses.

[Color: Black, Size: L14-30P&L14-30C, Number of Items: 1]
These are a quality NEMA L14-30 Plug and Receptacle pair and are UL listed. Always useful for making custom length 30A cords for generator or battery power station wiring. Actual limits for current handling will be affected by the length of the cord - refer to a line loss chart for estimates. But these are rated for the common amperage rating for a large generator and are the standard connection for 240VAC output. I use this with the EcoFlow Ultra Pro to feed to a transfer switch to feed power during an outage while isolating the grid to eliminate back feeding. You can also use this with for RV power from a generator. Since it's best to run a gas generator at a distance, making a cord to use can save you some expense as compared to a premade cable and you can customize the length you need. You can also make up a cable that splits the 240VAC into two 120VAC outlets for running tools and other AC equipment. If you use cables with these plugs and receptacles, having replacements available is recommended to be able to repairs during a power outage without a trip to the store, and at a price that will really beat that kind of last minute purchase.