[Gllug] OT: Mains electricity colour coding.

[Bernard Peek]

On 24/10/10 18:58, general_email at technicalbloke.com wrote:
> For time immemorial I have been told brown is live, blue is neutral and 
> yellow/green is earth. Mains electricity is AC so it oscillates between 
> the positive and negative 50 times a second right? In that case why does 
> it matter which way you wire the blue and brown cables to the nominally 
> blue and brown terminals in a plug? 

Neutral is connected to ground at the substation, so only the live
connection is dangerous - if everything is wired properly.


-- 
Bernard Peek
bap at shrdlu.com

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