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  1. Tomm01

    Ampacity Rating of ACSR and AAC versus Copper

    Most bare copper conductors (used in a substation) are rated with an ambient temperature of 40 Deg C and temp rises of 30, 40 and 50 Deg C. All the ACSR and AAC tables I've seen (like Southwire) rate them at 25 Deg C ambient and only a 50 Deg C rise. Why don't the two worlds match their rating...

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