Eaton Wiring 15 Amp Watertight Plug, Black Features:

• Santoprene exterior has superior performance in complex environments.
• Connector closure cap gives watertight protection when not in use.
• Glass-filled nylon material offers durability.
• Blades, terminal screws, & contacts all offer corrosion resistance.
• Terminal cover is clear for easy inspections of conductors.
• Dimensions: 1.81" (L) x 1.81" (W) x 3.44" (H).