Does the requirement to install an exterior emergency service disconnect apply to when an electrical panel replacement will be performed to an existing dwelling? Or only to new electrical services?
Another question pertaining to existing dwellings. Is whole house surge protection required when an electrical panel replacement will be performed?
We’re planning on having the 200A panel replaced with a new modern 200A panel. This is the dwelling I mentioned in my recent thread where one contributor brought up the service disconnect but said It may or may not be required
The service conductors leave the meter, penetrate into the dwelling, and go directly into the whole house 200A electrical panel. The main 200A breaker in the panel currently serves as the main service disconnect.
The NEC2020 introduced language on replacement but it's not all that clear whether article 230 is applicable to panel replacements on existing dwellings. Some nfpa.org publications reference section 230.85 stating, it is a requirement to have an exterior emergency disconnect not only for all new electrical services, but also when electrical service is modified or upgraded.
Is section 230.67 referencing an outdoor emergency disconnect requirement for a panel replacement to an existing dwelling?
If it’s not entirely correct that a meter can and riser would not need replaced when a panel replacement is performed, then when might a situation necessitate it when the electrical panel is replaced ?
Around five years ago, the utility replaced the old (original) meter on the cabin with a digital read out type and never gave us prior notification they were going to
