T TimmyB Feb 17, 2010 #1 The earthing conductor cable to earth stake on TT system. The min size of cable is it 2.5mm ?
A acat Feb 17, 2010 #2 Have a look at table 4.2 OSG page 29 gives you the different sizes depending on installation method. Hope that helps Chris
Have a look at table 4.2 OSG page 29 gives you the different sizes depending on installation method. Hope that helps Chris
T T&Earth ~ Feb 8, 2010 253 16 93 Feb 18, 2010 #4 Hi Yes if the cable is protected from mechanical & corrosion the min size is 2.5mm Hope this helps