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 …
Identification of Grounded Conductors – Philippine Electrical Code 2017 Edition
Article 2.0 Use and Identification of Grounded Conductors in the Philippine Electrical Code 2017 Edition has been expanded to cover sections not included in PEC 2009. The “Fine Print Note” …
Significant Updates of the Philippines Electrical Code 2017 Edition
The Philippines Electrical Code 2017 Edition, being a modified version of the 2017 edition of NFPA 70: National Electrical Code, went through extensive updates to incorporate sections and revisions not …
Hazards of Insufficient Short-Circuit Current Rating according the Philippine Electrical Code 2017 Edition
What is Short-Circuit Current Rating? The Philippine Electrical Code 2017 defines Short-Circuit Current Rating as the prospective symmetrical fault current at a nominal voltage to which an apparatus or system …
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 …