Actually BBT consist a very simple technology. Here is a cross section of 25A BBT . If you keenly look , you can able to understand the technique.
Cable are arranged in a insulation strip where L1,L2,L3 & N are showing.
A rectangular plug element on the cable strip uses through which male part of plug enter here to power the light or machine.
Cable are arranged in a insulation strip where L1,L2,L3 & N are showing. A rectangular plug element on the cable strip uses through which male part of plug enter here to power the light or machine.Here the naked side of the cable. This insulation strip putting in a rectangle aluminium casing & use as a standard length of 3m length. This standard length has both male & female side which continuously create a long power route.
But for high power bus the technology is quite different than lighting bus. Joints are very strong. Medium range busduct follows single bolt joint element where high power bus follows double bolt joints.
Medium power bus hanging on roof.
Bus duct in a sweater factory.
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