what does the earth symbol for electric wirering look like in a socket
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The symbol for earth wire in electrical diagrams is a horizontal line with three vertical lines branching off of it. This symbol represents the grounding connection in electrical systems to ensure safety by redirecting excess electricity to the ground.
The symbol for a hot wire in electrical diagrams is typically represented by a straight line.
it is the earth wire
In the visible spectrum or the infrared? Either way, if your earth wire is glowing you have a problem. Your earth wire is not intended as a current carrying wire. If the wire is loaded to the point that it glows then your circuit/breaker is not wired correctly and the earth wire is being used as an unintended path and is a hazard. Earth wires are not sized properly to carry current.
The outer core of the earth hasn't a chemical symbol.
It is earth wire