Inside Corner Connector Channel Size: 0.75"W x 0.5"H Manufactured of PVC, UL 94-VO compliant and Flame Retardant Color: Black Small Latching Raceway (5 feet long) (375 Series Small). Our non-metallic latching raceway is perfect for commercial, industrial and residential environments, this rectangular channel comes standard with a pre-applied adhesive backing. There is also a wide array of accessories available to customize your run, which helps to create a fully-accessible and attractive management system. 'One Piece Latching' basically means that the raceway is '1' piece allowing for easy installation. One side acts like a hinge while the other side 'clicks' together to form the ideal raceway! Raceways can contain wires and cables up to 600 Volts, and also meet the UL 5A Power rating.