Open Base Extension Box Fitting, Series 500, 700, Material of Construction Steel, Number of Channels 2, Color Ivory, For Use With 500 Raceways, 700 Raceways, Features Accepts Communication and/or Power Wiring, Datacom Connectivity Options, Easy to Align, Lightweight and Easy to Handle, Snap-On Latching Cover, Standards File E90377 Guide RJYT, File E90378 Guide RJTX, Meets Article 386 of NEC and Meets Section 12-1600 of CEC, RoHS, UL and cUL Listed