320 amp vs 400 amp service. 80% is standard derating percentage.
320 amp vs 400 amp service. Mar 14, 2025 · In short, choosing a 320A meter socket can save you money, give you more flexibility, make it easier to meet utility requirements, run more efficiently, and fit most applications. continuous and 320amps continuous load. For example, compared to older homes wired more than 30 years ago with 60 to 100 amps of service, newer homes generally run between 150 and 200 amps minimum (source). So, it’s usually a better choice than a 400A socket. Oct 19, 2021 · 320 is a class of meter that's good for up to 400 amps non. Check with your inspector but I normally install dual lug on the load side and feed two 200 amps panels, without a 400 amp main breaker. . (US Electrical Contractor, assumes NEC rules) 320 amp meters are rated for 320 amps continuous and 400 amps non-continuous. 80% is standard derating percentage. That meter socket is commonly known as 400a, 320a continuous. Buy it before it's gone. Continuous means three hours or more. Jan 10, 2022 · I'm in the process of upgrading my electrical service from 200 amps to 400 amps (technically 320A continuous). Depending on what you are looking to power, you may need one size electrical service over another. My electrical utility is Puget Sound Energy (PSE) in Washington State. 400 amp x 80% = 320 amp. Aug 12, 2021 · But once you get to a specific service size it does not seem to matter, so I think you can use 83% of 400 A as the required conductor ampacity for the service conductors carrying all of the load. Aug 25, 2022 · 320 continuous is a residential 400 amp meter socket. A load calculation would have been done when the service was installed to determine the size of the service conductors. qddni pot vnhx ciexdw fsjg jgh wjehe gyd wbttr cyiue