The 2026 National Electrical Code (NEC) introduces a significant shift in electrical design by prioritizing real-time power ...

Tyler Flippen, left, and Alexander Castro chose to study Electrical Power and Controls at TSTC because of the need for electrical and electronic engineering technologists and technicians in Texas.

In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...