Within 20 hours : teach you to understand building electrical construction drawings / editor, Xu Yang.

Includes bibliographical references and index.

Reading main high-voltage power system wiring diagram -- Distribution system wiring diagram reading -- Building substation electrical construction drawings reading -- 10 kV substation transformer secondary circuit wiring diagram reading -- Secondary circuit of substation transformer cabinet reading -- Resident electrical distribution systems reading -- Public distribution system reading -- Factory power plan reading -- Boiler power plan reading -- Lighting distribution systems reading -- Lighting plan reading -- High-voltage overhead power lines engineering plan reading -- Low-voltage overhead power line project plans reading -- Lightning protection grounding diagram reading -- Electrical control circuit diagram reading -- Electric equipment circuit diagram reading -- Automatic fire alarm and linkage control system read -- Weak communication network system construction plans reading -- Construction of safety protection system reading -- Cabling system construction plans reading.