Feature: 1. For NEMA L14-30R 30A 125-250V 4-wire grounding straight blade male heavy-duty nylon Socket. 2. The cULus certified equipment has the performance and safety functions required by electricians. Not all wiring devices are the same. Look for UL certifications and features that provide value. 3. Excellent nylon external cord clamps help prevent the cord from "pulling out" 4. The ribbed nylon body is and easy to grasp 5. Sturdy brass blades, contacts and terminal screws 6. The transparent polycarbonate terminal cover allows visual inspection of conductors and terminals 7. Terminal name and tape gauge molded on the terminal cover 8. For NEMA logo, amperage, voltage and third-party certification are printed on the of the device Specification: Part Name: 4 wire Socket Material: Nylon Color: Black Size: as show Model: For NEMA L14-30R Connection: 4 wire; Grounding Amps: 30A Volt: 125-250V Package content: 1*L14-30R Socket Note: 1. The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.