Ever wonder why petrochemical plants and refineries bury so much copper wire and ground rods throughout the process units when it isn’t required by the NEC? The NEC establishes the minimum ...

During the 2005 National Electrical Code (NEC) review cycle, a relatively simple revision was made that created a significant change on the cathodic protection (CP) systems of petroleum and chemical ...

For proper earthing, you need to dig a pit of between four to five fit where items such as the earthing rod, charcoal dust and salt will be put. When she started buying material for wiring her rentals ...