About this course
Self-paced continuing education for technicians refreshing EM1 Direct Current Basics knowledge. Review DC circuit fundamentals, electrical quantities, safe measurement, troubleshooting, and practical applications using the full EM1 lessons, articles, slides, videos, quizzes, and review assessments. Complete the course activities and retain your completion records for your credential renewal documentation. This CE course is separate from the EM1 initial certification preparation course.