| Ib | | |
| In | | |
| It | | |
| Iz | | |
| Ca | | |
| Cg | | |
| Ci | | |
| Cf | | |
| Vd | | |
| correction factor = 1.00 | | |
| correction factor = 0.725 | | |
| 11.5v | | |
| 6.9v | | |
| 20v | | |
| 0.4 sec | | |
| 5 sec | | |
| 0.2 sec | | |
| BS3036 | | |
| BS88 | | |
| BSEN60898 | | |
| MCCB | | |
| RCBO | | |
| BS61008 | | |
| BS61009 | | |
| type 'S' | | |
| RCBO | | |
| 300mS | | |
| 500mS | | |
| 30mA | | |
| Volts Drop = mV x design current x ? | | |
| ? = mV x A x m | | |
| Vd = mV x ? x m | | |
| protective device rating/correction factors = ? | | |
| circuits installed in conduit/trunking | | |
| circuits installed on cable trays | | |
| circuits 'clipped direct' to a wall | | |
| max volts-drop for non-lighting circuit | | |
| max volts-drop for lighting circuit | | |
| Cc | | |