NINGBO ZHENJIA
ELECTRIC CO., LTD.

Established in 2006, Ningbo Zhenjia Electric Co., Ltd. is a leading manufacturer specializing in the research & development, production, and sales of high-quality electrical connection and charging solutions. At the same time we have our own independent foreign factories.NINGBO ZHENJIA ELECTRIC CO.,LTD.

Core Products & Expertise:

Power Cords & Adapters: c(Ul)us-certified power cords, RV adapters, and various plugs/sockets.

Lighting Components: Temporary string lights and string light sockets/wiring.

EV Charging Solutions: J1772 Type 1 & Type 2 connectors, GB/T AC/DC charging cables, Electric Vehicle (EV) AC/DC charging connectors ("guns"), and EV chargers.

Commitment to Excellence:

Professional R&D: Backed by a dedicated in-house R&D team driving innovation.

Robust Quality Assurance: Certified under ISO 9001 Quality Management System. Products hold key safety

certifications including c(Ul)us，ETL and CE .

Advanced Manufacturing: Equipped with modern production facilities and stringent quality control processes.

ZHENJIA ELECTRIC
(CAMBODIA) CO.,LTD

Spanning an impressive 35,000 square meters, the overseas manufacturing base of Ningbo Zhenjia Electric Appliances Co., Ltd. stands as a cornerstone of the company’s global strategy—blending advanced production capabilities, rigorous quality standards, and customer-centric efficiency. Established to meet the rising demand for high-performance electrical connection and charging solutions worldwide, this state-of-the-art facility embodies Zhenjia’s commitment to excellence, innovation, and global reach.

As a fully integrated production hub, the factory encompasses end-to-end manufacturing processes for Zhenjia’s core product lines: EV charging solutions (including J1772 Type 1 & Type 2 connectors, GB/T AC/DC charging cables, and EV chargers), c(Ul)us-certified power cords & adapters, and lighting components. Equipped with modern production equipment, automated assembly lines, and precision testing systems, the facility ensures consistent output of reliable, safety-certified products that meet the stringent requirements of global markets—from the United States to Europe and beyond.

Upholding Zhenjia’s unwavering commitment to quality, the overseas factory operates in full compliance with the ISO 9001 Quality Management System, with every production stage subjected to stringent quality control protocols. This dedication to excellence is further reinforced by alignment with international safety standards, including c(Ul)us, ETL, and CE, ensuring that every product leaving the facility not only meets but exceeds customer expectations for safety and performance.

FEATURED
PRODUCTS

Explore Our
Diverse Products
L5-30P to Triple 5-15R Generator Power Cord Adapter/ 30A to 15A/110V 3-Way Splitter extension cord
NEMA L14-30P/3* 5-20R Generator Locking Cord,30Amp 4-Prong 10 Gauge Distribution Cord

On-the-Go Power: Perfect for distributing safe, temporary power at job sites and campsites.
30 Amp to 110V Outdoor Generator Adapter Power Cord, 3 Prong Locking 30 Amp to 15 Amp Generator Cord, NEMA L5-30P Male to 3X 5-20R Female with Lighted End

Primary Use: An essential 30-amp power cord for your RV camper.

Extended Versatility: Powers most common household tools and electrical appliances.

Ideal Application: The perfect solution for distributing temporary power from a portable generator.
TT-30P to L5-30R with Cord Organizer for RV Trailer Campers extension cords

All-Weather Durability: Water-resistant construction protects the unit outdoors.

Safe & Easy to Use: Convenient grip handle allows for secure plugging and unplugging.

Built-In Cord Keeper: Includes an organizer for tangle-free storage and portability.
NEMA L14-30P to NEMA 14-30R Male L14-30P Generator Plug to Female extension cords

• No assembly needed—use immediately.
• Twist-and-lock plug secures the connection.
• Won’t come loose accidentally.
• Easy-grip body for comfortable plugging and unplugging
NEMA L14-30P/L14-30R Generator Extension Cords

Apply the power from the generator to the house.  Operating your generator to a transfer switch panel or inlet box.

SPICE UP YOUR BACKYARD: Our 4-prong generator 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 NEMA 14-30 extension cord as a handy helper to get the job done.
Heavy Duty 3 Prong Generator Locking Power Cord NEMA L5-30P/L5-30R

TWIST LOCKING DESIGN The plugs have been redesigned with the lock structure. When the plug is inserted and twisted to lock in place, it will not slip from the generator socket due to wind, hurricane, big rain, or snow. This is the best extension cord for your generator to connect with home appliances and electric power tools.
EMERGENCY READY – Equipped with superior weatherproofing, you can count on reliable 30 amp power flow, especially in those ”extreme” situations. Compatible with any generator equipped with an L5-30R receptacle.
4 Prong 30 Amp to 15 Amp Generator Distribution Adapter, NEMA L14-30P Male to 4X 5-15R/5-20R T-Blade Female

Applications:
• Construction & Industrial Sites
• Disaster Recovery & Restoration
• Renovation & Maintenance Projects
• RV Camping & Outdoor Use
NEMA 14-50P to 4X 5-15R/5-20R Generator Distribution Cord, 4 Prong 14-50P Male Plug

• High-visibility grass-green for easy spotting in the dark.
• A flexible power solution for camping, job sites, and emergencies.
NEMA 14-50P to L5-30R Generator Transfer Switch Adapter Cord

Primary Applications:
• Powering RVs at campgrounds
• Providing electricity in garages and workshops
• Connecting to generators
• Key Use: Generator-to-house power transfer during outages
30 Amp to 50 Amp RV Locking Adapter Cord Compatible with Nema TT-30P Male to SS2-50R

• Waterproof & Durable: A molded construction ensures protection against water and physical stress.
• Oxidation Resistant: Maintains integrity and performance over time.
• Versatile & Safe: Guarantees reliable use in a wide range of outdoor and indoor conditions.
NEMA 6-50P to NEMA 6-50R30 Amp/ 3 Prong Welder Extension Cord

• Industrial-Grade Safety: Provides the strength and safety required for any welding environment.
• Superior Conductivity: 100% copper conductor ensures efficient power delivery and minimal voltage drop.
• Verified Compatibility: Meets the 10-gauge cord recommendation set by most welder manufacturers.

WHY CHOOSE ZHENJIA
CUSTOMIZATION

We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

COST

We have our own granulation plant and processing plant. Factory direct sales, high quality, and low price.

QUALITY

We have our own testing lab and the most advanced and complete inspection equipment, which can ensure the quality of the products. 

MULTIFORMITY

We have power cords, string light wires, and new energy wires, which can meet the development and production requirements of products of different shapes, sizes, and materials.

SERVICE

We focus on developing high-quality products for top-end markets. Our products are in line with international standards, and are mainly exported to Europe, America, and other destinations around the world.

Manufacturing in Cambodia

No matter where it comes from, the quality remains consistent.

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    Skilled Worker

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    Winning Awards

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  • Overseas factories

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FEATURED POSTS
  • Oct 27, 2025
    Construction String Light

    A Construction String Light is a heavy-duty, portable, and temporary lighting system consisting of a series of high-impact, protective lamp housings connected at fixed intervals along a flexible, insulated electrical cable. Designed specifically for harsh environments, these lights are an indispensable tool for providing safe, robust, and reliable illumination on construction sites, industrial facilities, and outdoor work areas during early morning, night, or in areas with no permanent lighting.

    Unlike decorative string lights, construction string lights are engineered for durability, safety, and functionality above all else.

    Read More
  • Sep 22, 2025
    Generator Twist-Lock Plugs & Connectors

    Generator Twist-Lock Plugs and Connectors are a specialized category of electrical connectors designed to provide a secure, reliable, and vibration-resistant connection for portable generators and other high-amperage equipment. The defining feature is their locking mechanism: after the plug is inserted into the receptacle, a clockwise twist (typically 15-30 degrees) locks it in place. This positive mechanical lock prevents accidental disconnection due to vibration, pulling, or environmental factors, making it the industry standard for safe generator power connections.

    These connectors are part of the broader NEMA (National Electrical Manufacturers Association) locking configuration standard and are crucial for both temporary power supply and permanent power transfer applications.

    Read More
  • Sep 22, 2025
    RV Extension Cord

    An RV Extension Cord, also commonly known as an RV Power Cord or Shore Power Cord, is a specialized, heavy-duty electrical cable designed to connect a Recreational Vehicle (RV), camper, or travel trailer to a remote campground power pedestal. Its primary function is to safely extend the reach of the RV's main power cord when the vehicle cannot be parked close enough to the electrical outlet.

    These cords are engineered to deliver high amperage in demanding outdoor environments, making them a critical component for accessing "shore power" and operating all electrical systems within the RV.

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  • Sep 22, 2025
    Dryer and Range Power Supply Cords

    Electric Dryers: Specifically for dryers that use 240V for the heating element and 120V for the motor, controls, and drum light.

    Electric Ranges & Ovens: This includes freestanding ranges, built-in wall ovens, and cooktops.

    Other High-Power Equipment: Occasionally used for other industrial or workshop equipment requiring similar power levels.

     

     

     

     

     

     

     

     

     

     

     

     

     

     

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Specializing in High-Quality Electrical Connection And Charging solutions Specializing in High-Quality Electrical Connection And Charging solutions
Specializing in High-Quality Electrical Connection And Charging solutions Specializing in High-Quality Electrical Connection And Charging solutions