NEMA Beam Spread Classifications | ||
Beam Spread Degrees | NEMA Type | Beam Description |
10°- 18° | 1 | Very narrow |
18°- 29° | 2 | Narrow |
29°- 46° | 3 | Medium narrow |
46°- 70° | 4 | Medium |
70°- 100° | 5 | Medium wide |
100°- 130° | 6 | Wide |
130° and up | 7 | Very wide |