| Year | 1930 |
| Date | 20-Feb |
| Volume | 62 |
| Issue | 1,502 |
| Page | 177 |
| Category | Electrical |
| Part | |
| Title | Modern Electrical Installation Work |
| Author | Frederick H.Taylor |
| Notes | Earth plates, connection to pipes etc., simple pipe clamp, earthing terminals, tests of earthing, non-metal cased wiring systems, wood casing, the choice of a system of wiring, making a start on the job |