The electrical grid transmits power over wires to our houses, and our Bryan Cockfield has covered it very well in his Electrical Grid Demystified series, but what part does the earth ground play? I… ...

Opinion Earth Day 2015: How National Grid is making a difference (Commentary) Published: Apr. 22, 2015, 10:28 a.m. By Special to syracuse.com 2013-05-03-db-Kirk1.JPG ...