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What are difference between earthing switch and earthing
truck ?
What is the operation philoshopy of earthing truck ? Wht
are the component of earthing truck ?
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Answer Posted / dv
Earthing switch has complex mechanism involved , but
however the operations is much more simple.
earthing truck is designed similar to the VCB or the VT/CT
truck of the panel, and has contacts, earhting link. Some
manufacturers also provide insulators on ET, however that
is an overdesign.
One important point is, earthing truck is only one for many
panels but the earthing switch is individual for each panel.
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