A cast base threaded for mounting on horizontal and/or vertical surfaces using screws, 1/4” bolts, 1/4” drive-in anchors, or an adhesive. Bolt tension cap can be turned so cables can run horizontal or vertical. Can be configured in 3 different ways. Furnished for air terminal sizes 3/8” and 1/2” for dual mount (209) or 3/8”, 1/2″, or 5/8” for top (210) or side (211) mount. Specify when ordering. Accepts up to two full size conductors. UL Listed