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Electrical Trade Theory N1 (Revised)
John Dillon · e-book
R225.75 incl. VAT
Printed copy: R334.95 incl. VAT.
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About this book
The NATED N1 textbook for Electrical Trade Theory (revised edition). By John Dillon, published by Hybrid Learning Solutions.
- Level: N1
- ISBN (e-book): 978-1-928367-45-1
- ISBN (print): 978-1-928392-94-1
- Pages: 216
What the book covers
The topics in this book include:
- Module 1: Occupational Safety and Basic Hand Tools. Isolation for inspection and maintenance; Flame proofing; Electrical installations; Electrical equipment; Portable appliances; Good housekeeping; Colour coding; Safety signs.
- Module 2: Electrical circuits. What is electricity?; Conventional current flow and Electron flow; Current flow and conductors; Types of electric current; Potential Difference (pd); Electromotive Force (emf ); Electrical Resistance (R); Insulators.
- Module 3: Magnetism and Transformers. Types of Magnets; Properties of magnets; The right hand rule; The transformer; Principle of operation of a transformer.
- Module 4: Batteries and Direct current sources. Cells; Components of a cell; Lead-acid cells; Action of the lead-acid cell; The care and maintenance of lead-acid batteries; Factors in choosing cells; Direct Current (DC) Generator; Methods of producing electricity.
- Module 5: Alternating currents. Single-phase alternating current (AC); Waveform Analysis; Three-Phase alternating current (AC); Circuit Diagrams for three-phase alternators (generators).
- Module 6: Measuring instruments. Moving Iron Meter; Moving coil meter; Insulation resistance tester (Megger); Connection of measuring instruments in a circuit.
- Module 7: Conducting materials; Insulating materials; Cables; Comparison of various cable types.
- Module 8: Wiring of premises. Electrical IEC symbols; Electrical Appliances; Wiring of sub-circuits; Cooker circuits; Earthing; Fuses and circuit breakers; Earth leakage; Connection to mains supply.
- Module 9: Testing. Continuity of conductors; Insulation resistance test between conductors; Insulation resistance test between conductors and earth; Polarity; Earth continuity test; Earth leakage testing; Motor testing.
- Module 10: Resistors; Capacitors; Diodes.
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