On Thursday, 21 September 2017 21:09:44 UTC+1, DICEGEORGE wrote:
thanks Bob,
http://www.diy.com/departments/mk-ne...r/53970_BQ.prd
MK Neon Locator
its goes between a light switch and the wall
and takes a crumb of elec from earth and live,
not enough to trip the RCDs I hope if I have 20 of them?
[george]

20 of them would likely trip an RCD.


NT