Introduction to Electrical Engineering

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

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