8 Pack Photocell Cap,Twistlock Photocell Shorting Cap,Photo Control Sensor Specifications Product Features Surge protection available. Easy-to-maintain Twist-lock ( ANSI C136.10 ); The black twist lock photocell is used to control street lighting,garden lighting, passage lighting and doorway lighting temporary, keeping the fixture always powered on. 3 Prong Shorting Cap - This twist lock photocell shorting cap is typically used for testing lamp ballast fixture where twist lock photocell is used. Energy saving and safe. IP65 Protection - The photo control bypass cap is made of high quality UV stabilized polycarbonate cover and polybutylene terephthalate base are corrosion preventive, anti-dust and waterproof to ensure longer life. Easy Installation - This photoelectric switch cover is easy to replace old one or install new one, just insert and twist. Standard prongs ensure this photocell control cap could be used with any standard twist lock receptacle. UL Certified - Our photocell light sensor switch for lights has been listed by CE, UL and RoHS, make sure your safety with high quality. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!