Introduction to Electrical Engineering

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......................................................... 86 9...................................................................... 93 11................................ 88 10.................................................................................................................................3................... 97 11......... 91 11......... 108 .........3......................... Test procedure... 102 13........................................................ 89 10.............................. 86 9............. Electrical test equipment........3..... Operation test equipment.............................................................................................. 97 11.................................... 99 11............ 96 11............................ 87 10......................................... 95 11........ 100 12..........................................2..................... Personnel............................ 107 15.................................3...................3......................1.....................2 Preventing unauthorised and unintentional switching -on .........................................................9.......1.................................. Occupational Safety and Health Regulations .......... Standard operational procedures.......................................1 Emergency switching off....................................................................................... 93 11..........................2 Insulation resistance the electrical installation..........................................................................................................1 Continuity the protective conductors, including the main and supplementary equipotential bonding....... Operational status ...... Test stations without automatic protection against direct contact ........................................................................... Vocabulary ...................... 90 10.............4 Polarity test.... 91 10........................... 96 11............................................................... 86 9..................... Test stations with automatic protection against direct contact ......3.. Preparation tests, switching operations test stations.................................... 98 11..........................CONTENTS 6 9...........2.........3 Preventing automatic energizing ......... Test laboratories and experimental stations................................................................. Protection against electric shock............................... FIRST AID TREATMENT THE ELECTRIC SHOCK ................................3.........7.................... 98 11...................................................... Working procedures............................................................... OPERATION ELECTRICAL INSTALLATIONS...... 95 11.........7...........3.............. 85 9....................................4 Protection against residual voltages and transfer voltages..............3......................3..................................................4................8............................................................... 94 11.....6.................................. 96 11....................................... 96 11................................... 97 11............1 General .....................3...... 85 9.6 Measurement the resistance protective conductors...............................................................................................2 Personnel ... Maintenance procedures .................... Bibliography................................7................................ 95 11................. Electrical work activities school laboratories ..................................................................................... ERECTION AND OPERATION ELECTRICAL TEST EQUIPMENT.........5 Automatic disconnection supply...............................3..5....4...... 104 14............................3 Protection separation circuits (electrical separation)........10.....

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