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Black industrial twist-lock male plug with three angled blades and a round ground pin, ribbed nylon housing, strain-relief collar

LORDWORLD

LORDWORLD LK-6431 NEMA L14-30P 30A 125/250V 3P4W Locking Plug

SKU CH-647M-5FVZS

A 30 A, 125/250 V NEMA L14-30P twist-lock male plug with 3-pole 4-wire grounding, copper terminals and strain relief for up to 10 AWG cable

  • UL / CUL certified for safe industrial use
  • 30 A rating at 125 V / 250 V for high-power equipment
  • Twist-lock NEMA L14-30P prevents accidental disconnection
  • Nylon + PBT housing with pure copper blades resists wear
  • Rewirable design accepts up to 10 AWG cable for DIY installation

Industrial 30A Locking Plug

This NEMA L14-30P male plug delivers 30 amps at 125/250 volts for industrial and commercial power connections. The twist-lock design prevents accidental disconnection under vibration or load. It suits electricians and facility managers wiring generators, transfer switches or heavy equipment.

NEMA L14-30P 3-Pole 4-Wire Grounding

The single specification that decides fit is the NEMA L14-30P configuration: three poles, four wires, grounding, rated for 30 amps at 125 or 250 volts AC 60 hertz. Only cables and receptacles matching this exact standard will lock and conduct safely.

UL CUL Certified Rewirable Housing

The non-slip Nylon+PBT housing and 100 percent pure copper terminals accept up to 10 AWG cable. UL CUL certification confirms compliance for permanent installations. The rewirable DIY design lets technicians terminate conductors on site without specialised tooling.

How it compares

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Price $34.99
Pricier than about 66% of the 5,998 comparable items (median $24.99).

Specifications

Product
Brand nameLORDWORLD

Questions about this item

What does the 30 A rating mean when the plug is wired into a generator or transfer switch?

The plug is rated for 30 A continuous current at 125/250 V AC, so it can carry the full 30 A load from a compatible generator outlet or transfer-switch inlet without overheating.

How does the NEMA L14-30P twist-lock interface limit the voltage and frequency in practice?

The L14-30P standard locks the plug to 125/250 V AC at 60 Hz, preventing accidental connection to other voltages or frequencies.

What cable size and outer diameter does the strain-relief clamp accept for a secure fit?

The strain relief accommodates cable up to 10 AWG with a maximum outer diameter of 10 mm, matching the terminal capacity.

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