10 pieces L14-30P 30 amps electrical locking plugs. These heavy-duty plugs are designed to interlock when twisted to prevent accidental disconnection. Made with impact-resistant nylon housing. 

• Plug L14 30 30A 125/250V 30P 
• Locking electrical plug, 30A, 125/250 VAC,
• 3-pole, 4-wire, NEMA L14-30, 
• Internal self-centering cord clamp. 

Specifications:

• Wiring Style: Standard
• Voltage Rating: 125/250 VAC
• Number of Poles: 3
• Number of Wires: 4
• NEMA Plug Configuration: L14-30P
• Amperage Rating: 30A
• Housing Material: Nylon
• Color: Black/White

USA Shipping (California), USA Warranty: 1 year.