INDT: Industrial Technology
Ugly's Electrical References, 2017 Edition by 
Ugly's Electrical Safety and NFPA 70E, 2018 Edition by 
Ugly's Electric Motors and Controls, 2017 by 
National Electrical Code 2011 Handbook by 
Ugly's Conduit Bending 2017 by 
Ugly's Residential Wiring, 2017 by 
Fundamentals of Programmable Logic Controllers, Sensors, and Communications by 
Programmable Logic Controllers: Lab Manual by 
Programmable Logic Controllers by 
Quality Control by 
The Quality Toolbox by