'... covers the present syllabus in electrical science for Cource C of the City and Guilds Subject number 51 Electrical Installation Work.' - preface. With answers.

Direct current circuit calculations. Kirchhoff's laws. Feeders and ring circuits -- Alternating current circuit calculations, series circuit -- Alternating current circuit calculations, parallel circuit -- Alternating current circuit calculations, three-phase star connection -- Alternating current circuit calculations, three-phase delta connection -- Three-phase power and power factor improvement, tariff calculations -- Three-phase circuits, voltage drop and cable size -- Electromagnetic circuit calculations -- Direct current excited resistive inductive circuit. Time constant, energy stored, discharge resistor -- Direct current generator calculations, e.m.f. equation compounding -- Direct current motor calculations, torque and speed -- Utilisation of electric power I. Work, power, efficiency of motors -- Transformer calculations. e.m.f. equation, turns ratio, efficiency, phasor diagrams -- Electrostatics. Parallel plate capacitor, series and parallel arrangements, energy stored, d.c. excited resistive capacitive circuit -- Utilisation of electric power II. Illumination, point by point calculations involving inverse square law and cosine law -- Utilisation of electric power III. Illumination. Interior lighting design using utilisation and maintenance factors -- Utilisation of electric power IV. Heating installations -- Answers.