Arc Flash – Hazard and System Grounding
IEEE 1584 Guide Equation for calculation of incident energy has a factor K2 for system grounding. It is zero for ungrounded and high or low resistance grounded systems and −0.113 …
Arc Flash – Simplified Two-Category Clothing
The 2015 edition of NFPA 70E has a simplified approach to provide minimum PPE for electrical workers within facilities with large and diverse electrical systems. The simplified clothing categogies listed …
Philippine Electrical Code – Accessibility and emergency exit facilities
The provisions of the Philippine Electrical Code do not clearly state the requirements for accessibility and emergency exits around switchboards or switchboard doors. The PEC have two (2) clauses that …
Philippine Electrical Code – Scope
The Philippine Electrical Code has two (2) parts. The scope of PEC 1 is defined in Section 1.0.1.2(a) while Philippine Electrical Code 2 (PEC 2), Section 1.1.2(b) states The PEC …