The 45° Horizontal Elbow boasts a horizontal bend that grants the flexibility for a 45° cable tray to navigate left or right. Class 1: Designed for use with NEMA Classes 12B and 12C cable trays. These. Diagonal Corner R=75 mm (Standard) 2. Curve Corner R=300 mm (Request)Channel cable tray secures cables using Eagle Basket pre-punched holes. New pre-punched holes allow the secure attachment of cables to the inside of the channel without the need to drill holes, reducing labor and speeding up installation. Atkore Channel supports single branches of power or. GRP-elbow 45° for cable tray KK, with unperforated side rails, with moulded connector, various dimensions, glass fiber reinforced polyester, pressed, RAL 7032, pebble grey Refer to the product sheets for more information on product details and compatibility.