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Electrical Generation Transmission and Distribution 6-245 Wiring Systems and Enclosures 6-246 Wiring Enclosures 6-247 Conduit Capacities 6-248 System Earthing Arrangements 6-251 Inspection and Testing 6-253 The Inspection Process 6-254 Periodic Inspection 6-255 The Inspection Process 6-257 The Testing Process 6-258 With the supply disconnected 6-259 The electrical supply may now be connected or reconnected 6-260 Electrical Test Instruments 6-261 Instrument accuracy 6-261 Calibration 6-261 Low-Resistance Ohmmeter Specification 6-262 Factors affecting accuracy 6-262 Insulation-Resistance Ohmmeter Specification 6-262 Factors affecting accuracy 6-262 Earth Fault Loop Impedance Tester Specification 6-263 Factors affecting accuracy 6-263 RCD Tester Specification 6-263 Factors affecting accuracy 6-263 Certification and Reporting 6-264 Electrical Installation Testing 6-265 Electrical Installation Test Procedures 6-267 Selecting Electrical Test Instruments 6-270 Inspection Testing and Certifying – A Summary Worksheet 6-273 Worksheet 14 (MC Questions) 6-276 Answers to Worksheets 1 to 14 6-284 7 Unit 3 (Level 3) Installation (Buildings and Structures) Fault Diagnosis and Rectification 7-289 Safe Working Procedures Before Undertaking Fault Diagnosis 7-291 Secure Electrical Isolation and Lock Off 7-293 “Proving” Equipment 7-293 On load, Off load Switching Devices 7-293 Restoration of the Supply 7-294 Secure Isolation Procedures 7-295 Safe Working Procedures 7-296 Electrical Faults – Symptoms 7-298
DOI link for Electrical Generation Transmission and Distribution 6-245 Wiring Systems and Enclosures 6-246 Wiring Enclosures 6-247 Conduit Capacities 6-248 System Earthing Arrangements 6-251 Inspection and Testing 6-253 The Inspection Process 6-254 Periodic Inspection 6-255 The Inspection Process 6-257 The Testing Process 6-258 With the supply disconnected 6-259 The electrical supply may now be connected or reconnected 6-260 Electrical Test Instruments 6-261 Instrument accuracy 6-261 Calibration 6-261 Low-Resistance Ohmmeter Specification 6-262 Factors affecting accuracy 6-262 Insulation-Resistance Ohmmeter Specification 6-262 Factors affecting accuracy 6-262 Earth Fault Loop Impedance Tester Specification 6-263 Factors affecting accuracy 6-263 RCD Tester Specification 6-263 Factors affecting accuracy 6-263 Certification and Reporting 6-264 Electrical Installation Testing 6-265 Electrical Installation Test Procedures 6-267 Selecting Electrical Test Instruments 6-270 Inspection Testing and Certifying – A Summary Worksheet 6-273 Worksheet 14 (MC Questions) 6-276 Answers to Worksheets 1 to 14 6-284 7 Unit 3 (Level 3) Installation (Buildings and Structures) Fault Diagnosis and Rectification 7-289 Safe Working Procedures Before Undertaking Fault Diagnosis 7-291 Secure Electrical Isolation and Lock Off 7-293 “Proving” Equipment 7-293 On load, Off load Switching Devices 7-293 Restoration of the Supply 7-294 Secure Isolation Procedures 7-295 Safe Working Procedures 7-296 Electrical Faults – Symptoms 7-298
Electrical Generation Transmission and Distribution 6-245 Wiring Systems and Enclosures 6-246 Wiring Enclosures 6-247 Conduit Capacities 6-248 System Earthing Arrangements 6-251 Inspection and Testing 6-253 The Inspection Process 6-254 Periodic Inspection 6-255 The Inspection Process 6-257 The Testing Process 6-258 With the supply disconnected 6-259 The electrical supply may now be connected or reconnected 6-260 Electrical Test Instruments 6-261 Instrument accuracy 6-261 Calibration 6-261 Low-Resistance Ohmmeter Specification 6-262 Factors affecting accuracy 6-262 Insulation-Resistance Ohmmeter Specification 6-262 Factors affecting accuracy 6-262 Earth Fault Loop Impedance Tester Specification 6-263 Factors affecting accuracy 6-263 RCD Tester Specification 6-263 Factors affecting accuracy 6-263 Certification and Reporting 6-264 Electrical Installation Testing 6-265 Electrical Installation Test Procedures 6-267 Selecting Electrical Test Instruments 6-270 Inspection Testing and Certifying – A Summary Worksheet 6-273 Worksheet 14 (MC Questions) 6-276 Answers to Worksheets 1 to 14 6-284 7 Unit 3 (Level 3) Installation (Buildings and Structures) Fault Diagnosis and Rectification 7-289 Safe Working Procedures Before Undertaking Fault Diagnosis 7-291 Secure Electrical Isolation and Lock Off 7-293 “Proving” Equipment 7-293 On load, Off load Switching Devices 7-293 Restoration of the Supply 7-294 Secure Isolation Procedures 7-295 Safe Working Procedures 7-296 Electrical Faults – Symptoms 7-298
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