Straight arms View printable PDF drawing Part No Description Luminaire Orientation Bracket size (ft² EPA/ weight lbs) SA1 single light straight arm N/A 0.3 / 8 SA2-180 2-light straight arm 180° 0.4 / 12 SA2-90 2-light straight arm 90° 0.4 / 12 SA3-90 3-light straight arm 90° 0.5 / 16 SA3-120 3-light straight arm 120° 0.5 / 16 SA4-90 4-light straight arm 90° 0.6 / 19 Welding conforms to CSA and CWB W47 and W59. Straight arms are 2-3/8" O.D. Bracket fitters (centre hub) are 3-1/16" I.D. The maximum straight luminaire slipfit length is 10" for all arm brackets. Removable cap is supplied to cover the bracket fitter (centre hub) where required. If bracket is being mounted on exisiting pole, specify the outside dimension of pole over which the bracket is to fit. Standard finishes are black or bronze (bronze) polyester powder, or galvanized.