130Amp power inlet plug connector with cover and ring for regulation and waterproofing purposes, keeps the cable secure. Designed to protect your cable connector, ensuring a secure connection for RV, trailer, caravan, marine vessels, and other outdoor applications. Twist lock connector allows quick cable connection to the input; side grips design enables easy and secure attachment. Bright yellow rubber cover and heavy-duty black plastic ring provide a weatherproof seal, ensuring good sealing, no leakage, and long service life. 30Amp 125V twist lock connector with cover; cord can be removed and stored, preventing entry of mice or insects. Suitable for 8/3 AWG heavy-duty round plug cord (Type S), compatible with a female cable connector with the same 30A 125VAC configuration for various applications. Includes: 1 x Power Cable Connector 1 x Waterproof Cover Item Type: Cord Connector With Cover Ring Material: Plastic Total Mounting Length: Approx. 7.5in Cover and Ring ID: Approx. 1.7in Cover and Ring OD: Approx. 3in Deep Inside: Approx. 3in Outer Length: Approx. 5in Connector Size (Measurement on Face): Approx. 1.7in; rose to the back where the space between the wires adds 0.25 inches (2 inches wide); total length is 3.9 inches How to Use (Easy to Use): 1. Replace the end on your existing power cord with the 30 Amp Locking Connector with Boot and Ring. 2. Remove the housing by loosening the 3 screws on the face of the device, slide the included weather-resistant boot over the cable, and slide the housing over the cable. 3. Strip the outer jacket of the cord and each individual conductor. 4. Insert all the wires into the proper color-coded terminal pockets. 5. Tighten the terminal screws and strain relief screws. 6. Slide the housing over the connector body, tighten the assembly screws, and slide the weather-resistant boot over the complete assembly.