At 09:55 18/06/99 -0300, you wrote:
>   There any way to  work over 220 V. and 50 Hz. like X-10 do over 110 V?

(Can you check your email software to stop it posting HTML?  Thanks)

Have a look at one of the UK X10 distributors for an idea of what is
available (nominally 230V, but probably there are similar items
specifically for 220V use)- eg http://www.laser.com or
http://www.comfort.org.uk or http://www.ukha.demon.co.uk

Nigel