New and updated features of this title The latest industry standards REVISED: The most up-to-date electrical codes are incorporated across the 11th Edition, aligning the series with current industry requirements. Module 26305 has significant code updates. REVISED: Concepts throughout Level 3 have been simplified and improved. This includes content for math concepts and problems, hazardous locations, transformers and testing, and motor controls. REVISED: Module 26310, "Voice, Data, and Video," is now more closely aligned with the VDV content from Electronic Systems Technician (EST). An enhanced experience NEW: A new, modern layout improves both the learning and teaching experience. UPDATED: All illustrations have been updated in accordance with the series' new modern art style. UPDATED: Photos have been updated to better represent the modern electrical field and to be more relevant to today's trainees.