As it's a safety factor, earthing is essential and mandatory. It's an electrical connection between the exposed metallic parts of an electrical appliance or installation and the earth, regarded to ...

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 ...

When electric fencing equipment fails to do the job this is often caused by insufficient earthing of the system, according to a leading beef and sheep grazier. Powerful energisers and high-quality ...