>I am in the UK and want to make several phone extensions.
>
> QUESTION: I would like to know I this will increase the level of hum.
>
> ISTR UK phones have a transformer and some other components to
> neutralise hum but would that be good enough to prevent hum from a messy
> setup like mine? Some details are below.
>
> -------------------------
>
> In my situation the phone extension wires and the mains wires will run
> close to one other.
>
> There will be about four or five additional extension phone sockets.
>
> And in some phone sockets there will be a loose extension lead of approx
> 3 metres which will be almost ontop of curled mains flex
>