Peak demand periods can drive distribution circuits well above normal 70º conductor ratings. Hendrix High Density Polyethylene insulators have a melt temperature of 130ºC, making them suitable for all normal circuit loading conditions and most emergency rating conditions. In some extreme situations where long duration high-current overloads are experienced, conductors have melted into the head or neck of an insulator. Upgrading conductors, transformers and switchgear is not always feasible, so Hendrix developed a High Temperature insulator for these situations.
Hendrix developed a patented polyethylene insulator blend (US7501469, US8324504) for extreme conductor overload conditions. Meet the "HT" High Temperature insulators.
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