H - Electricity – 02 – G
Patent
H - Electricity
02
G
317/6, 88/97
H02G 7/05 (2006.01)
Patent
CA 1174726
ABSTRACT Risk of fracture of an optical fibre in an overhead stranded electric conductor having an optical fibre loosely housed in an elongate compartment extending throughout the length of the conductor when the conductor is subjected to a tensile load greater than that which the optical fibre is designed to withstand is substantially reduced by supporting the stranded conductor from each of two opposite sides of a tower by suspension means incorporating a weak link designed to fracture at a tensile load less than that which the optical fibre can withstand before fracturing. An excess length of the stranded conductor extends between fittings at which the suspension means are secured to the conductor, is arranged sinuously down one side face of the tower and, where the stranded conductor is an earth conductor, is detachably secured to the tower at spaced positions along its length by releasable clips. When the tensile load on the stranded conductor increases to a value greater than that which the weak links can withstand, a weak link will fracture and the excess length of stranded conductor will be detached from the tower to reduce the load on the stranded conductor and thereby reduce risk of optical fibre fracture.
405233
Bicc Public Limited Company
Fetherstonhaugh & Co.
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