TIS 11-2533 (NEW) STANDARD Insulation Color | ||
| 1 CORE | Not defined | |
| 2 CORE |  | |
| 3 CORE |  OR | |
| 4 CORE |   OR | |
| 5 CORE |  OR | |
| Old | New | |
| L1 |  Black |  Brown |
| L2 |  Red | Black |
| L3 |  Blue |  Gray |
| N | Gray | Blue |
| G |  G/y |  G/y |
| (Green/yellow) | ||
TIS 11-2533 (NEW) STANDARD Insulation Color | ||
| 1 CORE | Not defined | |
| 2 CORE | | |
| 3 CORE | OR | |
| 4 CORE | OR | |
| 5 CORE | OR | |
| Old | New | |
| L1 | Black | Brown |
| L2 | Red | Black |
| L3 | Blue | Gray |
| N | Gray | Blue |
| G | G/y | G/y |
| (Green/yellow) | ||