| Year | 1930 |
| Date | 29-May |
| Volume | 62 |
| Issue | 1,516 |
| Page | 513 |
| Category | Electrical |
| Part | |
| Title | Modern Electrical Installation Work |
| Author | Frederick H.Taylor |
| Notes | Iron-clad & water-tight plugs, plugs with protected pins, dockyard & miniature plugs, "Bakelite" plugs, wiring of plugs, looping, don't put in plug point too small, plugs used in concentric wiring installations, the I.E.E. regulations, base blocks |