Troubleshooting and Repairing Commercial Electrical Equipment

Introduction: Providing the knowledge and expertise to diagnose and repair electrical equipment Ch 1: Troubleshooting Techniques Information Gathering; Did the malfunction develop gradually or occur suddenly?; Was there an unusual noise or evidence of overheating?; Using the Internet; Simple Neon Test Light; Signal Generator; Spectrum Analyzer Ch 2: Electric Motors DC; Universal; Stepper Motors; Linear Actuators; Single-Phase to Three-Phase Motors; Variable Speed Drives; Motor Control Systems Ch 3: Residential Wiring The simplest form of electrical work, and the first area of focus for apprentice electricians Ch 4: Commercial and Industrial Wiring Conduit, Type NM cable; More Complex Equipment Ch 5: Power Distribution Systems Including Transformers High voltage levels; Increased available fault current; Special Precautions; Enhanced Training; Advanced Licensing Ch 6: Telephone Systems Private Branch Exchanges Ch 7: Audio-video Equipment Comparing Stereo Channels to Isolate Defects; Color TV Servicing; Consumer Electronics Repair Ch 8: Computers Determining Hardware versus Software Problems; Using Online Resources to Diagnose and Repair Most Defects Ch 9: Understand Ethernet and Learning to Create a Simple Network Basics on Running Category Cable; Overview of Optical Fiber Ch 10: Satellite Dish for Communication Systems Geocentric Satellites; Accessing Proprietary Training; Certification Ch 11: Elevators Licensing and Safety Concerns; Preliminary Diagnosis and Preventive Maintenance; Relevance of Electrical Codes Ch 12: Fire Alarm Systems Fundamental Operation; Interaction with Sprinklers and Other Systems; Monitoring Agency Ch 13: Spinning out into New Areas Legal and Moral Issues; What Lies Ahead