Electrical Service NEC Codes
Service entrance conductors shall have a minimum size of 100A for a single-family dwelling.
Service disconnecting means shall be installed at a readily accessible location nearest the point of entrance of the service conductors.
Working space around the electrical panel: at least 30 inches wide, 36 inches deep, and 78 inches high.
Disclaimer: These codes are based on the NEC (National Electrical Code) 2023 edition and are provided for general reference. Local jurisdictions may have additional requirements. Always consult a licensed electrician and your local building department.