000			02555nam a2200229Ia 4500
003			NULRC
005			20250520102736.0
008			250520s9999 xx 000 0 und d
020			_a9780071810302
040			_cNULRC
050			_aTK 151 .H47 2013
100			_aHerres, David. _eauthor
245		0	_aTroubleshooting & repairing commercial electrical equipment / _cDavid Herres
260			_aNew York : _bMcGraw Hill Education, _cc2013
300			_aix, 257 pages : _billustrations ; _c24 cm.
365			_bUSD40.35
504			_aIncludes bibliographical references.
505			_aIntroduction:Providing the knowledge and expertise to diagnose and repair electrical equipmentCh 1: Troubleshooting TechniquesInformation 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 AnalyzerCh 2: Electric MotorsDC; Universal; Stepper Motors; Linear Actuators; Single-Phase to Three-Phase Motors; Variable Speed Drives; Motor Control SystemsCh 3: Residential WiringThe simplest form of electrical work, and the first area of focus for apprentice electriciansCh 4: Commercial and Industrial WiringConduit, Type NM cable; More Complex EquipmentCh 5: Power Distribution Systems Including TransformersHigh voltage levels; Increased available fault current; Special Precautions; Enhanced Training; Advanced LicensingCh 6: Telephone SystemsPrivate Branch Exchanges Ch 7: Audio-video EquipmentComparing Stereo Channels to Isolate Defects; Color TV Servicing; Consumer Electronics RepairCh 8: ComputersDetermining Hardware versus Software Problems; Using Online Resources to Diagnose and Repair Most DefectsCh 9: Understand Ethernet and Learning to Create a Simple NetworkBasics on Running Category Cable; Overview of Optical FiberCh 10: Satellite Dish for Communication SystemsGeocentric Satellites; Accessing Proprietary Training; CertificationCh 11: ElevatorsLicensing and Safety Concerns; Preliminary Diagnosis and Preventive Maintenance; Relevance of Electrical CodesCh 12: Fire Alarm SystemsFundamental Operation; Interaction with Sprinklers and Other Systems; Monitoring AgencyCh 13: Spinning out into New AreasLegal and Moral Issues; What Lies Ahead
520			_aA unique approach to diagnosing and repairing all sorts of commercial/industrial electrical equipment, from motors, computers, elevators, and fire alarm systems to heavy-duty ovens and audio equipment.
650			_aELECTRIC MOTORS
942			_2lcc _cBK
999			_c14236 _d14236