How much do you know about Articles 408 and 409? From my experience, this question often results in a long pause, and then perhaps a couple of requirements from Article 408 get quoted.
This article is intended to explain Section 690.12 and provide context and examples of how to enforce requirements for rapid shutdown systems.
The proper selection, placement, and installation of surge mitigating products can help reduce the cost of lost equipment. So let’s explore this thing called surge.
Jurisdictions contemplating amendments reducing the level of safety afforded by the NEC sometimes have stories about operational and financial concerns.
