My Collection: GEC Z5681
| Manufacturer | GEC |
| Catalogue Number (model) | Z5681 |
| Wattage | 80W |
| Lamp-Type | MBF/U |
| Gear | None (remote) |
| Ballast | GEC (unknown but similar to Z1813) |
| Photocell | Royce-Thompson P42 detector, Zodion SS55 base. |
| Date Of Manufacture | ~1960s |
| Date On Photocell Base | ~~/05/1999 |
| Date on Ballast | ??20BH (Very difficult to read, but thats what appears to be left of the code) |
| Date on Lamp | |
| Date Acquired | 21/06/2026 |
| Collection Number | #155 |