On Tue 08 Oct at 08:57 COLIN TREE (3:626/664) wrote to RUSSELL BROOKS:

 CT> Experience with line equipment, etc has shown me
 CT> that with inductance etc, ring voltages can exceed 100 V.
 CT> and safe design practice is to allow for 240 Vac.
 CT> Components designed for 240 will take more than 30 V extra.

But equipment designed for 220 VAC won't necessarily cope with 270 VAC (and
I wonder what the Telstra Internet Services Adelaide router which failed
during a test of backup power whilst on-line carrying customer traffic was
rated for).

 CT> When you get a hit or suspect you've been hit,
 CT> test and REPLACE suspect protection devices.

agreed.

 CT> p.s. I'm protected by God too.

Well I wouldn't like to be the recipient of a divine lightning strike.

--- msgedsq 2.1