| Motors end of module review 1 | 20 | February 21, 2013 |
| Single phase motors 14 | 7 | November 24, 2012 |
| Single phase motors 13 | 3 | November 24, 2012 |
| Single phase motors 12 | 3 | November 24, 2012 |
| Single phase motors 11 | 3 | November 24, 2012 |
| Single phase motors 10 | 2 | November 24, 2012 |
| Single phase motors 9 | 3 | November 24, 2012 |
| Single phase motors 8 | 20 | November 24, 2012 |
| Single phase motors 7 | 5 | November 24, 2012 |
| Single phase motors 6 | 10 | November 24, 2012 |
| Single phase motors 5 | 12 | November 24, 2012 |
| Single phase motors 4 | 20 | November 23, 2012 |
| Single phase motors 3 | 20 | November 23, 2012 |
| Single phase motors 2 | 20 | November 23, 2012 |
 Single phase motors 1 | 20 | November 23, 2012 |
| Three phase motor connections | 11 | September 15, 2012 |
| Three phase motor specifications | 14 | September 15, 2012 |
| Three phase motor construction | 5 | September 15, 2012 |
| Three phase motor speed | 20 | September 15, 2012 |
| Three phase motor operation | 9 | September 15, 2012 |
| Three phase motor testing | 20 | September 15, 2012 |
| Three phase motor starters | 16 | September 15, 2012 |
| Three phase motors AC supply | 20 | September 14, 2012 |
| Stephen Smith AC concepts review 5 | 20 | July 29, 2012 |
| Stephen Smith AC concepts review 4 | 20 | July 29, 2012 |
| Stephen Smith AC concepts review 3 | 20 | July 29, 2012 |
| Stephen Smith AC concepts review 2 | 20 | July 29, 2012 |
| Stephen Smith AC concepts review 1 | 19 | July 29, 2012 |
| Steve Smith AC concepts review All | 99 | July 29, 2012 |
| Refrigerant terms | 17 | February 22, 2012 |