Eli5 Why birds are able to stand on electricity cables
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As long as they only stand/touch one wire at a time, there is no path for current to flow so they will be ok.
With domestic electricity we have to be careful as people because other parts of our bodies might be touching something grounded, such as a sink or radiator or pipe, or a ladder in the ground – forming a path for the current to flow.
(In recent years all electrician’s ladders are now made of fibreglass rather than metal, to make them safer.)
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