Is the total length of the trefoil system 500m? Usually cross bonding is only for long cable length (>1km) with high capacity and cross-sections greater than 630sqmm.
Wood pole foundations: The line passes through swampy areas with very low soil bearing capacity, several types of foundations for the wood pole structures are possible. I prefer a concrete foundation with a column on which the pole is attached to above ground. Now I am told that it is...