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ACSR is a composite concentric-lay-stranded conductor. The conductors are manufactured in accordance with the requirements of the latest applicable issue of CAN/CSA C61089. The steel strand or strands form the central core of the conductor, around which is stranded one or more layers of aluminum 1350-H19 wires. The steel core may consist of a single strand or a concentric stranded cable of 7, 19, 37, or more wires. Numerous combinations of aluminum and steel strands and layers are possible. The sizes and strandings listed on the following pages are common examples used in overhead lines. Metric (mm2) sizes are also available. The Canadian ACSR conductors are similar in design (strand component size and configuration) to the ACSR conductors designed to ASTM B232 specifications. Differences lie in the methods used to calculate the rated strength and dc resistance values. CAN/CSA C61089 refers to ACSR as Type A1/S1A conductors, where the A1 refers to 1350 H19 aluminum and the S1A as Class A galvanized, regular strength steel. -
USEI-90 Underground Service Entrance Cable consists of two, three, or four compact aluminum conductors individually insulated with black RW90 XLPE insulation, a coloured PVC jacket, and twisted together. The neutral conductor will be white. The product is CSA Certified and meets the USEI-90 cable requirements of CSA C22.2 No. 52.
