The purpose of a substation earthing system is to ensure safe conditions for personnel and plant in and around the site during normal and earth fault conditions. To achieve this, it needs to perform ...

Large ground-mounted solar plants cover wider areas, use extensive metal structures, and are often built in open, high-exposure terrains. This combination increases the likelihood that lightning ...

Why is grounding so difficult to understand? One reason is because many do not understand the definition of many important terms. So let’s review a few important definitions contained in Articles 100 ...

All Code references are based on the 2005 National Electrical Code. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at not more than 600V, such as ...