This cast base can be mounted either horizontally and/or vertically with screws, 1/4” bolt, or 1/4” drive-in-anchor. Bolt tension cap can be turned so cables run horizontal or vertical. Furnished for air terminal size 3/8” or 1/2” for dual mount (223) and 3/8”, 1/2″, or 5/8” for top (224) or side (225) mount. Accepts up to 2 full size conductors. Specify when ordering. UL Listed.