Electrical Service Panel Change

Applicable Codes:
2024 International Residential Code
2023 National Electrical Code

Warning: Work on electrical services could cause accidental contact with energized conductors that may result in personal injury or death. It is required that a licensed and bonded electrical contractor perform the work. For emergencies that involve electrical systems, first, call 911 for assistance, then contact ComEd at 1-800-Edison1 or 1-800-334-7661.

Please submit the following information:

1. Floor plan indicating the existing/proposed location of the electrical service panel.
2. Indicate the code minimum required workspace for the electrical service panel.
3. Existing and proposed electrical service panel schedule showing all circuit breaker sizes and circuit identification.
4. Grounding diagram (2017 NEC Article 250) showing the following:
   1. Ground rods (primary and supplemental) a minimum of 6’-0” apart.
   2. Grounding electrode conductor size and points of connection.
   3. Water service grounding with jumper at the water meter and bonding at the hot water heater.
   4. Any other grounding electrodes that are to be installed or are existing and will be reconnected.
5. Brand, series, and amperage rating for the proposed electrical service panel.

Significant Code Requirements

1. New electrical service panel installation must comply with all working space clearance requirements (Article 110.26, 2024 NEC).
2. The new electrical service panel and circuit breakers must be installed in compliance with the manufacturer's installation specifications and product listings (Article 110.3, 2024 NEC).
3. Branch circuits shall be provided and installed in compliance with Article 210 of the 2024 NEC.
4. All branch circuits within the panel must be labeled in a permanent manner to identify the area that is served by that specific branch circuit.
5. Grounding must be provided in accordance with Article 250 of the 2024 NEC.

Grounding Electrode System

1. A grounding electrode system is required to be installed that consists of the metal water service line piping (connection to the water service piping shall be made at a point near to where the water service enters the building through the foundation wall or floor slab, and a bonding jumper shall be placed around all water meters connecting the interior water distribution system), a bonding jumper must be installed at the water heater piping, and two (2) 8’-0” driven ground rods a minimum of 6’-0” apart that complies with Article 250.52(5) on the exterior. (Article 250.52, 250.53, 2017 NEC).

Inspections

The inspections listed here are required for Electrical Service Panel Change projects. Some inspections may not apply to your installation, while additional inspections may be needed based on the scope of work for your project. A complete list of your required inspections will be listed on the Plan Approval Notice that will be attached to the approved plans.

To schedule an inspection, please call 630-260-2050 between 8:00 a.m. and 5:00 p.m. Monday through Friday. Inspections must be scheduled no later than 3:30 PM the day before the desired inspection date.