A DIFFICULTY in connexion with electric supply when metal sheathing of electric wiring and apparatus is employed is how to connect this sheathing to earth in such a way that, in the event of it ...

The importance of bonding and grounding in commercial, industrial, and institutional buildings cannot be overstated. The grounded circuits of machines need to have an effective return path from the ...

IT is well known that direct current causes electrolytic corrosion when it leaves a metal conductor or pipe to enter the earth, but there is still a difference of opinion as to whether alternating ...