Angle crossarms View printable PDF drawing Part No Description Angle material size (in) Bracket size (ft² EPA/ weight lbs) AC-2 2-light angle crossarm 4 x 3 x 5/16 1.4 / 25 AC-3 3-light angle crossarm 4 x 3 x 5/16 2.2 / 45 AC-4 4-light angle crossarm 4 x 3 x 5/16 3.2 / 58 AC-5 5-light angle crossarm 4 x 4 x 3/8 4.2 / 103 Welding conforms to CSA and CWB W47 and W59. On AC-3 and AC-5 crossarms, the centre fixture is offset approximately 8" to provide clearance between the pole and luminaire. AC-4 and AC-5 crossarms are supplied with 2 support braces per crossarm, which are to be secured from crossarm to pole. If bracket is being mounted on existing pole, specify the shape and outside dimension of pole to which the bracket is to be fit. Standard finishes are black or bronze (brown) polyester powder, or galvanized.