For Use With All 23 Series Panel Mount Receptacles Leviton’s Rhino-Hide Single Pole Cam-Type Connectors supply temporary electrical power for both indoor and outdoor applications. These devices are designed for easy assembly and disassembly, without special tools. 15, 16/18, and 17 Series devices are NEMA 3R-Rated for use in outside locations Shatter and crack proof – high durometer thermoplastic vulcanizate (TPV - Santoprene) Color-coding provides fast and easy phase identification Common applications; entertainment, oil and gas, mining operations, power distribution, construction sites, and other temporary power applications.