The following additional standards and specifications shall be applicable to electrical installations in the city:
(A) It shall be unlawful for any person to over fuse any conductor, motor, or apparatus in excess of the maximum allowed by the electrical regulations of the city's electrical code for such conductor, motor, or apparatus, or to install any substitute in lieu of an approved fuse or device that would eliminate or reduce the safety of such conductor, motor or apparatus.
(B) Only heavy wall rigid metal conduit, intermediate metal conduit, or PVC conduit shall be used in all poured concrete, and such conduit shall be subject to the following additional restrictions:
(1) Conduit larger than one-half inch (½") in four inches (4") of concrete shall not be permitted.
(2) EMT shall not be permitted in concrete, or outdoors.
(3) PVC #80, rigid galvanized or intermediate conduit may be used for underground service.
(C) PVC shall not emerge from below grade level ground or a concrete slab or encasement. PVC shall convert to galvanized rigid conduit prior to its emergence.
(D) The minimum service size for commercial buildings shall be one hundred (100) single phase, or three (3) phase.
(E) Twin or tandem circuit breakers shall not be acceptable for new work.
(F) Dry wall rings shall be installed on all concealed ceiling openings on new work.
(G) Overcurrent protection shall be required in all underground conductors.
(H) Additional approvals shall be required for prints involving hazardous areas prior to installation.
(I) Where new construction or alteration work involves electrical work of any type, the construction plans shall include a complete wiring plan that contains the following information:
(1) Size of wire, insulation type, and conduit size.
(2) Number of circuits and their ampere rating.
(3) Location of all electrical panels and cabinets.
(4) Size of all motors and power consuming equipment, and their ratings.
(5) Specifications and locations for all exit lights and emergency lights.
(6) Schedule for lighting and power panels.
(J) Every electrical panel shall contain a panel circuit director card identifying all circuits. Panel circuit director cards in Commercial and Industrial buildings shall be typed.
(K) All commercial and industrial wiring shall be minimum twelve (12) gauge wiring, except low voltage wiring.
(L) An approved nonferrous metal tag shall be attached to the ground electrode clamp giving warning against its removal.
(M) Thin wall (EMT) conduit shall not be used for electrical services. Aluminum rigid conduit, if used, shall be installed above grade only.
(N) Underground electrical services shall be permitted and shall be installed in PVC #80 at thirty-two inches (32") below grade.
(O) All rooms with multiple entrances or exits that are more than six feet (6') apart shall utilize three (3) way or four (4) way switches, unless an alternate arrangement is approved by the Electrical Inspector.
(P) Any secondary or subfeeder crossing under driveways, parking lots, or vehicular traffic ways shall be encased in heavy wall rigid conduit or intermediate metallic conduit, and a depth of thirty inches (30") shall be required.
(Q) Sump pump and ejector pump shall be on a dedicated circuit with a single receptacle.
(R) All wire used in the City of Oakbrook Terrace shall be copper type only.
(Ord. 05-20, passed 9-13-05; Am. Ord. 09-48, passed 3-23-10)