NEMA 14-30P 4-wire 30 Amp 125 / 250V Power Supply Cord
The NEMA 14-30P Dryer Power Cord is a heavy-duty, 4-wire electrical cord designed specifically for 30-amp electric dryers and compatible appliances (such as EV chargers or ranges). It features a 4-prong NEMA 14-30P plug for grounded, code-compliant connections to a matching 4-wire receptacle. This cord replaces outdated 3-prong setups, ensuring safety by separating neutral and ground wires. Available in 4-foot and 6-foot lengths, it is UL-listed for reliability and meets North American electrical standards. It supports up to 7500 watts at 250V, making it ideal for high-power laundry applications.
Technical Information
- Plug Type: NEMA 14-30P (4-prong: 2 Hot, Neutral, Ground)
- Electrical Ratings: 125/250V AC, 30A
- Receptacle Required: NEMA 14-30R
- Safety Certification: UL Listed, cUL
- Colors: Grey is standard; custom available
- Operating Temperature:Up to 105°C for the cord
- Applicable Cables: 4 conductors: Black/Red Hots, White Neutral, Green Ground
- Cable Length Options: 4FT, 6FT are most popular

| LA009A | 10/4, 10/3+12/1 | SRDT, DRT | 30/125/250 |
| 8/4 | SRDT, DRT | 30/125/250 | |
| 6/4 | SRDT, DRT | 30/125/250 | |
| 8/2 + 10/2 | SRDT, DRT | 30/125/250 | |
| 6/2 + 8/2 | SRDT, DRT | 30/125/250 |
Compatibility & Applications:
- Primary Use: Electric clothes dryers requiring a 30-amp, 125/250V circuit.
- Outlet Compatibility: Designed to plug into standard NEMA 14-30R wall outlets.
- Temporary extension for EV charging (e.g., Tesla Level 2 via adapter).
- Range or oven hookups in kitchens.
- Important Note: This 4-wire cord is for modern installations. If you have an older 3-slot outlet (NEMA 10-30R), you will need a different adapter cord and must ensure your home’s electrical system is properly grounded.
Installation Instructions:
- DISCONNECT POWER: Always ensure the dryer is unplugged and the circuit breaker is turned OFF before installation.
- Access the dryer’s terminal block by removing the rear access panel.
- Connect the three colored wires (Black, Red, White) and the bare copper ground wire to the corresponding terminals on the dryer’s terminal block as per the dryer’s manual.
- Install the strain relief connector in the dryer’s wiring hole and secure the cord.
- Replace the access panel. The installation is complete and the dryer is ready to be plugged in.
NEMA 14-30P Power Cord Manufacturer
CablesGo manufactures robust NEMA 14-30P dryer power cords, engineered with a 30 Amp, 125/250V, 4-wire configuration to meet modern electrical standards and deliver superior grounding safety for electric dryers. Produced in our certified 30,000+ sqm Ningbo facility, every unit is guaranteed through 100% in-house Hi-Pot and continuity testing, ensuring full compliance with UL standards. We provide flexible customization of cord length and jacket color with a competitive 50-piece MOQ, backed by global operations that ensure dependable 10-15 day lead times and cost-effective pricing.








