N nizak Senior Member Aug 6, 2017 #1 Question: If I have a calculated residential load of 177 amps and install the main service conductors with 2/0 THWN Cu conductors, is this a code violation? Meter base is labeled for 200A continuous load. Thanks.
Question: If I have a calculated residential load of 177 amps and install the main service conductors with 2/0 THWN Cu conductors, is this a code violation? Meter base is labeled for 200A continuous load. Thanks.
Dennis Alwon Moderator Staff member Location Chapel Hill, NC Occupation Retired Electrical Contractor Aug 6, 2017 #2 For residential work, you are fine with 2/0 copper. A 200 amp service can be sized for 83%. This means that a 200 amp service conductor can be rated 166 amps and it will be compliant
For residential work, you are fine with 2/0 copper. A 200 amp service can be sized for 83%. This means that a 200 amp service conductor can be rated 166 amps and it will be compliant