It’s important to understand the difference between grounding and bonding so you correctly apply the provisions of Art. 250. We earth ground systems to the earth to reduce overvoltage (from ...

A. The first thing required by the NEC is that each lead-in conductor from an outdoor antenna must be provided with a listed antenna discharge unit — located outside or inside the building, nearest ...

Ancient Greeks discovered that when animal fur and amber were rubbed together, the fur could be used to attract feathers, glass dust and other lightweight objects. It wasn’t until 1600 AD, however, ...

ERICO has developed a range of CWP grounding clamps that are ideal for use in applications including lightning protection, fault current ground, signal reference grid, and static ground. The clamps ...