| 2005 NEC |
2008 NEC |
Arc-Fault Circuit-Interrupter Protection required in dwelling unit bedrooms. |
Combination Type Arc-Fault Circuit-Interrupter Protection required throughout the dwelling unit (except in kitchens, bathrooms, garages and outdoors). |
| Ampacity of Service Entrance (SE) cable sized from 75 degree column of Table 310.16. |
Ampacity of Service Entrance (SE) cable sized from 60 degree column of Table 310.16. |
| Residential Main Power Feeder sized from residential service conductor table, 310.15(B)(6). |
Residential feeders must carry 100% of the dwelling unit service load to use Table 310.15(B)(6). Otherwise use Table 310.16. |
| Multi-wire branch circuits: No simultaneous disconnect required. No grouping of wires required. |
Multi-wire branch circuits: Simultaneous disconnect required. Grounded and ungrounded wires must be grouped together by wire ties or similar means. |
| Standard 15- and 20-ampere, 125- and 250-volt nonlocking receptacles can be used both indoors and outdoors. |
Weather resistant receptacles required in wet and damp locations for 15- and 20-ampere, 125- and 250-volt nonlocking receptacles. |
| Dwelling unit receptacle outlets are either of the 15- and 20-ampere, 125-volt standard type or GFCI protected. |
All dwelling unit receptacle outlets must be listed tamper-resistant. |
| Changes indicated by a line or bullet in the margin. |
Changes indicated by highlighting. |
| Indoor fluorescent luminaires will require an individual disconnecting means starting January 1, 2008. |
Indoor fluorescent luminaires now require an individual disconnecting means, except in dwelling units and industrial locations. |
