Electric apparatus and appliances Installation 147 Maintenance and repair 92 Electric wiring, Interior 73 Standards 68 Electric engineering 66 Safety measures 57 Electric wiring 54 Electronic apparatus and appliances 53 Electrical engineering 42 Electric power systems 31 Protection 28 Materials 26 Electric circuit analysis 24 Testing 24 Electric equipment 23 Electricity 23 Electric machinery 20 Electric circuits 17 Low voltage systems 14 Buildings 13 Electromagnetic compatibility 11 Mathematics 11 Problems, exercises, etc 11 Dwellings 10 Electric transformers 10 Electronics 10 Handbooks, manuals, etc 10 Electric testing 9 Equipment and supplies 9