Arc-flash – hazards, mitigations and standards
What is Arc-Flash? Arc-Flash is a type of electrical explosion that occurs when an electrical current leaves its intended path and travels through the air from one conductor to another …
IEC Standard Voltages
In North America and in the Philippines, the standard system voltages are specified in ANSI C84.1. For Europe and the rest of the world, the standard system voltages are specified …
Comparison of NEMA 250 Enclosures and IEC 60529 Degrees of Protection (IP Code)
This document “A Brief Comparison of NEMA 250—Enclosures for Electrical Equipment (1000 Volts Maximum) and IEC 60529—Degrees of Protection Provided by Enclosures (IP Code) is a NEMA Standards Publication. In …
Implementing Type 2 Coordination to Improve the Performance of the Motor Control Center
This paper presents the criteria in the selection and coordination of motor control centers (MCCs) components to comply with the requirements for motor service continuity in the most of industrial …
IEC 60079 Hazardous Area Zone Classifications
Hazardous area is defined in IEC 60079 as an area in which an explosive gas atmosphere is present, or may be expected to be present, in sufficient quantities to require …
IEC 62305 – Protection against lightning
Lightning is a very high-energy phenomenon. Lightning protection is oftentimes taken for granted as the probability of a lightning strike to a structure is low, and damage to properties and …