Why in a electrical plug, the earthing terminal is more thicker and longer than other two terminals ? Preceding talk ) 13 : 00, 8 February 2012 ( UTC)
2.
The air terminals are typically arranged at or along the upper points of a roof structure, and are electrically bonded together by bonding conductors ( called " down conductors " or " downleads " ), which are connected by the most direct route to one or more grounding or earthing terminals.
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