Spacing for minimum footcandle (fc) illumination on level ground:
Note: 1fc for commercial projects / .3fc for residential projects
| Pies-candela: | |
|---|---|
| Distancia del centro | CG-20 |
| 2 pies | 14 |
| 4 pies | 2,5 |
| 6 pies | 0,93 |
| 8 pies | 0,53 |
| 10 pies | 0,38 |
| 12 pies | 0,1 |
| 14 pies | |
