Comprehension of electric drawing and making

This book contains seven chapters, which are Glossary over site, circuit over current protector, lighting protection system, fire and explosion, standard and types of design drawing, wiring diagram, wiring diagram and decoding of diagram about automatic control sign and writing switch and socket, Distribution line on standard cord, insulator and steel tower, power substation, Measurement and test about measuring device, manual for measuring device, measuring unit, manual for multi tester and measurement of power and construction Material and wiring Work.