Type of insulators play significant role to reduce the risk of
pole fires since silicone type insulators conduct much less
leakage current than pin or porcelain type. One of the most
effective solutions to minimize pole and cross arm fires
caused by leakage currents is proper bonding of the pole
hardware. Leakage currents tend to cancel at the common
point of the bonding. Bond wires present a shunting to the
wooden pole and re-direct leakage current away from the
surface of a wood.