Breadcrumb Home Electrical Technologies ETEC240L ETEC240L: Stationary Machinery Download as PDF Class Program Electrical Technologies Credits 4 Lab Hours 6 Class Hours 2 A review of magnetism and electromagnetism and the design and operational characteristics of single-phase, three-phase and specialty transformer connections are covered in this course. Prerequisite Courses ETEC124L: AC/DC Theory ETEC130L: Rotating Machinery