H - Electricity – 01 – B
Patent
H - Electricity
01
B
337/100, 337/38
H01B 17/26 (2006.01) H01B 17/38 (2006.01) H01B 17/58 (2006.01) H02G 3/06 (2006.01)
Patent
CA 1211171
ABSTRACT OF THE DISCLOSURE In an electrical anti-short bushing comprising a tubular portion and an outwardly extending flange portion presented by one end of the tubular portion, the bushing which is of split form having a discontinuity extending throughout its axial length is provided with two outwardly projecting, circumferentially spaced ribs which extend axially from the flange portion along at least a portion of the tubular portion of the bushing, with the part of the tubular portion between the ribs being diametrically opposite the axially extending discontinuity. Thus, when the bushing is operatively mounted on an electrical cable of the type known as BX cable with the tubular portion of the bushing between the outer casing of the cable and the insulated conductor wires disposed therethrough the sharp, jagged edge formed when the helically wound metal cladding strip constituting the outer casing of the cable is cut may be disposed between the ribs, thereby substantially to prevent this sharp, jagged cut coming into alignment with the axial discontinuity in the bushing. An inspection notch may be provided in the outer edge of the flange portion of the bushing between the ribs, and a resiliently deformable prong which is presented by the inner face of the tubular portion of the bushing and projects, in a direction inclined towards the longitudinal axis thereof, towards and beyond the flange portion of the bushing operatively serves to prevent inadvertent withdrawal of the bushing once it is installed.
440281
Milne John D.
Ridout & Maybee Llp
LandOfFree
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