Bullhorn brackets View printable PDF drawing Part No Description Luminaire Orientation Bracket size (ft² EPA/ weight lbs) PA1 single luminaire tenon adapter N/A 0.2 / 7 PA2 2-light 180° 1.0 / 20 PA3-180 3-light 180° 1.6 / 30 PA3-120 3-light 120° 1.3 / 34 PA4-180 4-light 180° 2.3 / 40 PA4-90 4-light 90° 1.6 / 40 Welding conforms to CSA and CWB W47 and W59. Bent arms and fixture tenons are 2-3/8" O.D. Bracket fitters (centre hub) are 3-1/16" I.D. The maximum straight luminaire slipfit length is 4-1/2" for all bent arms. (4) set screws and (1) through-bolt are provided on each bracket fitter used to secure bullhorn bracket to pole. It is the installer's responsibility to utilize the through-bolt by drilling a 7/16" through-hole in the pole's tenon once the proper position of the bullhorn bracket has been established. Removable cap is supplied to cover the bracket fitter (centre hub) where required. If bullhorn is being mounted on exisiting pole, specify the outside dimension of pole over which the bullhorn is to fit. Standard finishes are black or bronze (brown) polyester powder, or galvanized.