Recent content by STRING

2.5MM SWA

A 200m drive leading to a house has lighting bollards every 10m . The zs from the last bollard is 28 ohms  this is to high for the protective device, can  i just fit 30ma rcd protection and will this satisfy the ECR 

PERIODIC INSPECTION ON A DOMESTIC PROPERTY REVEALED A LIGHTING CIRCUIT WITH NO CPC  ITS AN OLD HOUSE WITH TWO CORE SINGLES IN METAL CONDUIT OVER THE YEARS WITH ALTERATIONS THINGS BEING CHANGED THERE IS NO EARTH CONTINUITY FROM SOME SWITCHES AND LIGHT FITTINGS  CAN I COVER THIS WITH 30MA RCD...