The answer to 'when to replace emergency electrical service' is that you should replace your home's emergency electrical service when it becomes outdated, damaged, or no longer meets your power needs. Emergency electrical service typically lasts 20-30 years, but can vary depending on the quality of the original installation and how well it has been maintained over time.
Signs that it's time to replace your emergency electrical service include frequent power outages, breakers that trip often, or if your home's electrical demands have increased due to additions or upgrades. Additionally, if your service panel is full and you need to add new circuits, it's a good time to consider upgrading the entire system. Replacing the emergency electrical service ensures your home has the capacity and safety features to handle your current and future electrical needs.