The following regulations shall apply to electrical services for new single-family residences:
A. For single-family residences having a total floor area of one thousand five hundred (1,500) square feet or more, as determined by the office of quality control:
1. The service entrance conduit shall be two inch (2") trade size, aluminum, IMC or galvanized iron conduit. No thin wall conduit shall be used. The minimum service size shall be two hundred (200) amps.
2. The service entrance conductors shall have a current carrying capacity of two hundred (200) amps and shall be equal to or better than AWG size 3/0, THWN minimum size.
3. The service entrance switch shall contain:
a. A two hundred (200) ampere main switch or breaker which will disconnect all distribution in the building. No split buss panels shall be used.
b. A minimum thirty (30) circuit panel and a maximum forty two (42) circuit panel.
B. For single-family residences having a total floor area less than one thousand five hundred (1,500) square feet, as determined by the office of quality control:
1. The service entrance conduit shall be one and one-fourth inch (11/4") trade size, aluminum, IMC or galvanized iron conduit. No thin wall conduit shall be used. The minimum service size shall be one hundred (100) amps.
2. The service entrance conductors shall have a current carrying capacity of one hundred (100) amps and shall be minimum AWG size 2, THWN.
3. The service entrance switch shall contain a one hundred (100) ampere main switch or breaker, which will disconnect all distribution in the building. No split buss panels shall be used. A minimum twenty (20) circuit panel and a maximum twenty four (24) circuit panel shall be provided.
C. As a minimum, circuit loads shall be connected as follows:
1. Two (2) appliance circuits, #12 wire to the kitchen area. All countertop receptacles shall be GFCI protected. These can be used in the dining area for appliances. No split plugs to be used. Soffit light and fan shall not be fed from appliance circuits.
2. Gas range and hood fan shall be on a separate fifteen (15) ampere circuit.
3. One 15- or 20-ampere circuit shall be provided for microwave oven.
4. One 15- or 20-ampere circuit shall be provided for dishwasher.
5. One 20-ampere circuit shall be provided for refrigerator.
6. One 15-ampere circuit shall be provided for garbage disposal unit.
7. One 20-ampere circuit shall be installed in all bathrooms for GFCI receptacles only.
8. One circuit shall be provided each for sump pump and ejector pump.
9. One circuit for heating system.
10. One circuit for laundry plug, twenty (20) ampere, #12 wire (not GFCI protected).
11. Living room and family room shall be on a separate fifteen (15) ampere circuit, GFCI protected below switch.
12. Three (3) circuits for general lighting load.
13. Two (2) spare circuits for future use.
Where required and approved, additional circuits in accordance with the requirements set forth in the adopted electrical code rules and regulations may be permitted.
D. Ground straps shall not be located in any crawl space less than forty eight inches (48") in depth.
E. The two hundred twenty (220) volt appliance circuit shall be double pole; no tie bar to be used.
F. Panel circuit breakers shall conform to Chicago Electrical Code section 240.85.
G. A #8 copper clad grounding electrode shall be installed for all new service installations to meter socket, and to grounding bushings.
H. All service grounding cable shall be located at line side of water meter, with an appropriately sized bonding jumper connection across the meter space.
I. Aluminum wire shall not be used anywhere in building. (Ords. 94-3-8, 94-12-54, 01-09-32, 21-07-29)