** It must be connected to ground somewhere - or else it is simply NOT a neutral. ** Only IF you are speaking about two phase AC supply wiring in the USA.
AFAIK - something only used for large appliances like stoves and water heaters.
Not electronics.
** You are a very basic person.FYI.
Maybe the OP was posting from the USA and WAS referring to two phase,
240V power.But he made no mention of either.
Google Groups posters are always PITA about crucial details like this.
.... Phil