Photocell Cap
https://www.ljlightctrls.com/products/photocell-cap/
#photocell #cap

Various Types of Photocell Cap
Street Lighting Shorting Caps: NEMA interface shorting caps ensure socket conductivity during maintenance and testing, prevent circuit interruption, and can act as a temporary replacement for photocontrols. They have a twist-lock design, and are waterproof, surge-protected, and UV-resistant for outdoor LED lighting use. Street Lighting Open Caps: NEMA interface open circuit caps...  more