Introduction to Electrical Engineering

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..... 96 11............................1..................4 Protection against residual voltages and transfer voltages.......................... 86 9..........3...3....10......................3 Protection separation circuits (electrical separation)........ FIRST AID TREATMENT THE ELECTRIC SHOCK ........................... 98 11..................................................... 89 10......... Preparation tests, switching operations test stations........................................................... 86 9.......3...........9.................................................................. 85 9............................. 91 11...............4.................................................................................... 100 12.................. Occupational Safety and Health Regulations ................1 Emergency switching off.. Vocabulary .................. Operational status ......3...........3..........................3................................... 99 11...................... 102 13...........................................3....................................... Personnel....................................................................................... 95 11............6 Measurement the resistance protective conductors......................................................... Protection against electric shock........................................................... Electrical test equipment.............................. 85 9.. 97 11...................................................................... 107 15.......................... Working procedures............7....................................3 Preventing automatic energizing ..........................2.................................................................. 95 11...................................................... 87 10..................................................... 93 11.......... Test stations with automatic protection against direct contact ................................................... Electrical work activities school laboratories ....................5 Automatic disconnection supply.. Test procedure..........................................................................7..........CONTENTS 6 9..................2 Personnel ..................... 86 9..... Standard operational procedures....................................3....... 91 10................................. Test stations without automatic protection against direct contact ..............................................................7................ 96 11............... 88 10.......................6.5............................................... 97 11......3.... 108 .......... 94 11......................................................................1.....3........................................................ 104 14.......................................................... 96 11............................................ Bibliography..2 Preventing unauthorised and unintentional switching -on ........ 93 11.. 97 11.................................................... OPERATION ELECTRICAL INSTALLATIONS................................. Maintenance procedures ........... 90 10.........8........ Test laboratories and experimental stations............................ 98 11................................. 95 11.....................................2....................................................... Operation test equipment......................................1 General ............2 Insulation resistance the electrical installation..................................... 96 11.......................................................3...............................1 Continuity the protective conductors, including the main and supplementary equipotential bonding........................3...... ERECTION AND OPERATION ELECTRICAL TEST EQUIPMENT.........................4.......................................4 Polarity test....................................................................

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