Optimal Power Control - Power plug lockout device designed to prevent unauthorized use of power tools & other electrical equipment; firmly secures standard 2-prong or 3-prong plugs, polarized or non-polarized Engineered for Safety - Electrical plug lockout device made of industrial grade, non-conductive nylon; applicable for both industrial or commercial use Superior Tamper Defense - Plug locks for cords with key retaining premium brass core cylinder, ensures power cord lockout will not be left unlocked; integrated Danger label in front with space for additional markings Firm & Secure Attachment - Power cord lock out device features seamless installation with no extra tools required; tightly fits around prongs for a durable grip, grooves on the lock body for the grounding pole to slide in, preventing plug damage Premium Safety Lock Out Devices - (5) red cord cap lockout keyed different with 2 x 1-3/4 x 7/8 inches body dimensions, 2 keys each; matching code engraved on keys and body, each power plug lock in the pack has a unique code OSHA Compliant - Electrical plug lock out tag out device developed and rigorously tested to help businesses exceed compliance with stringent safety standards American Safety Supplier - TRADESAFE is an established USA based and owned industry expert and reliable safety partner for lock out tagout compliance supplies Works with standard 2-prong or 3-prong power cord plug, polarized or nonpolarized Body Dimensions: 2 x 1-3/4 x 1-7/8 inches TRADESAFE electric plug lockout for 2-prong or 3-prong power plugs provides an inexpensive solution to what could be very expensive consequences such as electrical lockout violations and accidents. Each outlet plug lock fits standard 2-prong or 3-prong power cords, either polarized or nonpolarized, efficiently preventing devices, machines, or equipment from being plugged in or powered during repair or maintenance. Constructed with premium grade nylon, this lockout electrical plug exemplifies robustness and non-conductive nature, making TRADESAFE lockout & tagout products ideal for demanding industrial environments. The installation process is uncomplicated - firmly slide the prongs into the extension cord lock, then secure using any of the two included keys. With a straightforward design, these outlet locks for electrical plugs enable quick and convenient installation without needing any extra equipment to secure it. This electrical outlet lock can be added to any lock out tag out kits electrical for OSHA compliant lock out tagout procedures or can be used for commercial and residential purposes. Trusted by individuals, large corporations, and government entities all over the country for employee workplace safety, TRADESAFE cord lockout devices are engineered to withstand adverse industrial conditions and ensure a solid lockout. These lockout power cord devices were designed with durability and dependability in mind, and safety as the first priority. We are an industrial workplace safety supply and solutions provider that's owned and based in America - giving you real accountability, and us the incentive to provide you with the best experience possible. Choose excellence in lockout safety supply. Choose 100% OSHA Compliance. Choose TRADESAFE.