| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Approved Supplier | UST 50A70 | 50A70 15/16 SB HT |
| | Approved Supplier | UST 50B70 | 50B70 SB 1 HT see-note |
| | Approved Supplier | UST 50BTL70 | 50BTL70 (2517) HT |
| | Approved Supplier | UST 50SK70 | 50SK70 QD SPKT HT |
