Part 1 of Chapter 4, Safe Work Practices (TCI Magazine, March 2024), covered the job hazard analysis (JHA), work plan and job briefing. This article, Part 2 of Chapter 4, Safe Work Practices, focuses on arboricultural operations near overhead power [...]

  Note: The following article includes the proposed changes to “Section 3, Electrical Hazard” of the ANSI Z133 safety standard. This next Z edition will be published during 2024, and these “Electrical Level” categories will be subject to change. Conducting [...]

Exposure to electric current is one of the many hazard sources during arboricultural operations. But electricity is one of the most unforgiving of these sources. A review of utility data shows that one in four contacts that resulted in an [...]

This is a continuation of the discussion of the electrical-system equipment found along distribution lines. One of the requirements for arborists working in proximity to an electrical hazard – within 10 feet of the lines – is familiarity with the [...]

Photo 1: If we transmitted the electricity at the voltage generated at the power plant, the voltage has the force to move only tens of miles. Transformers are used to step up the voltage so it can be moved hundreds [...]