Fordean
Senior Member
- Location
- New Jersey
- Occupation
- Electrical Contractor
Trying to confirm Got mixed answers from inspectors. Some are unclear on this as well.
Option 1 . The electrical panel. Does not need the separation of neutrals and grounds if the Fire emergency is marked Disconnect means not Service equipment. The ground rods remain in the main breaker panel. And the Grounding electrode.
Option 2. Or Do you install a MLO Panel interior and separate neutrals and grounds and the Main Breaker is exterior.
Ground electrode now needs to be extended by irreversible crimp. ( Finished basements you can't run new ones sometimes. and Ground rods. Are exterior.
Also, You are you allowed to continue to Use service entrance conductors for instance 1/0 for 150 amp and 2/0 for 200 amp. If the main is outside. Do you now have this as the sub panel and the 150 is required the full 2/0 and the 200 required the 3/0 eliminated the deration for service entrance conductors?
Looking at 230.42 I am not seeing the chart where it lets you derate.
Option 1 . The electrical panel. Does not need the separation of neutrals and grounds if the Fire emergency is marked Disconnect means not Service equipment. The ground rods remain in the main breaker panel. And the Grounding electrode.
Option 2. Or Do you install a MLO Panel interior and separate neutrals and grounds and the Main Breaker is exterior.
Ground electrode now needs to be extended by irreversible crimp. ( Finished basements you can't run new ones sometimes. and Ground rods. Are exterior.
Also, You are you allowed to continue to Use service entrance conductors for instance 1/0 for 150 amp and 2/0 for 200 amp. If the main is outside. Do you now have this as the sub panel and the 150 is required the full 2/0 and the 200 required the 3/0 eliminated the deration for service entrance conductors?
Looking at 230.42 I am not seeing the chart where it lets you derate.