H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/82
H01B 7/02 (2006.01) H01B 3/10 (2006.01) H01B 3/30 (2006.01) H01B 3/42 (2006.01) H01B 3/44 (2006.01)
Patent
CA 1319402
27065-171 ABSTRACT An electrical wire comprises an elongate electrical conductor, an inorganic arc-control layer surrounding the conductor, an insulating layer which surrounds the arc-control layer and comprises an aromatic polymer, and a secondary tracking control layer surrounding the insulating layer, the secondary tracking control layer having a comparative tracking index of at least 300V. The wire exhibits good electrical and mechanical properties characteristic of highly aromatic polymers together with good resistance to dry arcing and wet tracking.
571480
Fetherstonhaugh & Co.
Raychem Limited
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