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 …
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 …
IEEE & IEC Comparison – Terms & Jargon
COMPARATIVE ELECTRICAL TERMS AND JARGON IEEE Term IEC Term Description AWG/kcmil mm² Electrical conductor/cable size designation Cable Terminator Cable Gland A terminating device for cables at an enclosure • CGB • Stuffing …
Voltage Levels – IEC 61000-3-6
As far as I know, IEC has not mentioned medium voltage in any of its standards except in IEC 61000-3-6. The following table provides the different voltage levels as per …
Application of Maximum and Minimum Short Circuit Currents as per IEC 60909
IEC 60909 recommends the calculation of maximum and minimum short circuit currents. The article expounds the discussion on the purpose for maximum and minimum short-circuit currents. Maximum short-circuit currents need …