What is difference of Arc Fault from Arc Flash?
Definition of Terms It is a sad reality that even Electrical Engineers are not aware of the diffrences of arc faults and arc flashes. Arc faults and arc flashes are …
What is an arc fault?
An arc fault is a high-power discharge of electricity between two or more conductors. This discharge can manifest in a number of ways. Series Arc Fault Occurs in a single …
Switchboard Rating for Internal Arcing Fault Clearing Time and Peak Current Withstand
What is Internal Arcing Fault Clearing Time Switchboard rating for internal arcing fault clearing time is defined as the amount of time a switchboard or panelboard can withstand an internal …
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 …
Arc-Flash Hazard Warning according to Philippine Electrical Code 2017 Edition
Required Protective Clothing The Philippine Electrical Code 2017 Edition requires switchboards, panelboards, motor control centers, and other equipment in locations other than dwelling units to be individually field marked with …
Philippine Electrical Code – Arc-Flash Hazard Warning Requirement
1. Arc-Flash Hazard Warning The requirement of arc-flash hazard warning in the Philippine electrical Code 2017 is stipulated in Section 1.10.17 Arc-Flash Hazard Warning. This section of the PEC requires …