| Year | 1930 |
| Date | 24-Jul |
| Volume | 63 |
| Issue | 1,524 |
| Page | 80 |
| Category | Electrical |
| Part | |
| Title | Modern Electrical Installation Work |
| Author | Frederick H.Taylor |
| Notes | Testing, tests for correct circuiting etc., testing for insulation resistance, standard of insulation resistance required, conditions for taking an insulation resistance test, insulation testing sets, connections for testing |