Establishing an Electrically Safe Work Condition
NFPA 70E Article 120, Establishing an Electrically Safe Work Condition, provides the lockout and tagout requirements necessary to provide an electrically safe work environment for the employee.
Electrical Safety: A Critical Triad of Proper Installation, Maintenance, and Safe Work Practices
As we honor National Electrical Safety Month this May, it’s a reminder that the same level of commitment to safety from electrical hazards is important every day. After all, lives…
Calculating General Lighting Loads for Residential Dwellings
The calculation of general-purpose branch circuits is determined by using a general unit load of 3 volt-amperes per square foot for one- and two-family dwelling units, which is derived from…
Significant NEC-2020 Changes to Measurement Requirements in Article 210
In order to truly understand the implications of the changes to the measuring provisions of Section 210 in the 2020 National Electrical Code (NEC), one must go back and review…
Connection of Normal and Emergency Power Sources for Homes
Without a supply of energy to replenish the battery, the benefit of an ESS can be limited in a prolonged outage. A combination of solar and storage and energy management…
New Directions: PV and the NEC for All Readers
A PV system is relatively simple in concept, but after the NEC requirements are added for safety, the execution of the system requires considerable attention to detail. There are also…
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