Philippine Electrical Code – Low Voltage
Low Voltage is mentioned many times in the Philippine Electrical Code (PEC). However, the PEC failed to explicitly include Low Voltage in the definition of terms. The purpose of the …
PEC Requirement for Ground-Fault Protection
What is ground-fault protection? Ground-Fault Protection of equipment is a system intended to provide protection of equipment from damaging line-to-ground fault currents by operating to cause a disconnecting means to …
ATEX Certified Equipment
Contents I. What is ATEX? II. Explosive Atmosphere
IEC 62262 – IK Codes – Impact Protection for Electrical Enclosures
IEC 60529 – Degrees of protection provided by enclosures (IP Code) describes a system for classifying the degrees of protection provided by the enclosures of electrical equipment. The protection provided …
Which Standard Prevails?
I have been involved in many projects wherein specifications and datasheets are required to comply with the local standards. Most of the time, this will create issues during the procurement …
Explosive Atmospheres – ANSI/ISA/UL/NFPA/EIC
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 …