In late 2009, the International Society of Automation (ISA) and Underwriters Laboratories Incorporated (UL) jointly issued ANSI/ISA 60079-0 Explosive atmospheres – Part 0: Equipment – General Requirements which is a …
Safety service is defined in IEC 60364-5-56 as an electrical system for electrical equipment provided to protect or warn persons in the event of a hazard, or essential to their …
Power frequency withstand is one of the criteria in the selection of electrical equipment rating. The selection of the appropriate power-frequency withstand level is related to the earth fault factor …
IEEE 399 is commonly known as the Brown Book in the Color Book series. The Brown Book supplements the rest of the color book series. Its practical and general treatment …
In this article, I have listed the possible damage that lightning strike could impart into structures. In addition to this, lightning could likewise disrupt services. IEC 62305-1 provides a list …
In ANSI C84.1-2011, Clause 3, system voltage classes were explained Low Voltage (LV) A class of nominal system voltages 1000 volts or less. Medium Voltage (MV) A class of nominal …