   |
|
|
|
|
Type AC Cable |
Type AC Cable |
Type MC Cable |
Type MC Cable |
|---|---|---|---|---|
| UL Manuafcturing Standard | UL 4 | UL 4 | UL 1569 | UL 1569 |
| NEC Reference(s) | 333 | 333, 517, 645 | 334, 501, 502, 503, 518, 520, 530 | 250-91, 334, 501, 502, 503, 517*, 518, 520, 530, 645 |
| Circuit Conductors | 2-4 | 2-4+ground | 2 or more + ground | 2 or more + 2 grounds |
| Insulated Bushings | Required | Required | Recommended | Recommended |
| Grounding Components | Equipment: Bond Wire/Armor Combination | Equipment: Bond Wire/Armor Combination plus Redundant/ Isolated: 1 insulated green conductor | Equipment: 1 insulated green conductor in combination with armor | Redundant/ Isolated: Additional green insulated conductor w/yellow stripe |
* With prior approval of authority having jurisdiction only.