English: A shorting bar connecting ground and neutral in Swiss industrial building (outlined in red). A hunk of copper is visible that is designed to be easily connected or disconnected from its place between two screws, rated for 600 A (as stamped on it). We also see the thick wires in standard colors (two yellow/green ground and two blue neutral), as well as markings PEN (protected earth and neutral), PE (protective earth) and N (neutral). The three bars for the three "live" phases (marked L1, L2 and L3) are also visible on the bottom right.
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Note: This picture is also used in electronics.stackexchange.com where it has been uploaded by me, the owner. Audriusa (talk) 14:17, 19 January 2024 (UTC)
Captions
Electrical panel in Swiss industrial building, ground - neutral. The device that connects ground and neutral is outlined in red.