§ 18-432. Technical specifications.

(a)

Service connections made on a temporary basis may be disconnected by the transmission and distribution provider and/or the applicable retail electric provider upon request of the inspector without written notice to the contractor or owner.

(b)

Power run to manufactured homes must be installed underground in accordance with the electrical code adopted in section 18-431.

(c)

Service entrance switches or any service equipment shall not be installed within a bathroom, toilet, clothes closet or any inaccessible location.

(d)

Service connections made on a temporary basis may be disconnected by the transmission and distribution provider and/or the applicable retail electric provider upon request of the inspector without written notice to the contractor or owner.

(e)

All electrical connections to new installations of central air/heating units, fuel-fired appliances and mechanical equipment shall conform to National Fire Protection Association Code requirements and shall be provided with the following:

(1)

A disconnecting means in the ungrounded leads of each power circuit to be installed within sight and within easy reach of each grouping of electronically operated components;

(2)

A suitable 115-volt outlet at the attic location described in subsection (e) of this section; and

(3)

In addition, all new installations of central air/heating units located in attics of residences shall be provided with a 24-inch minimum walkway with a minimum of 36 inches of vertical clearance on the control side of the unit. There shall be a light near the unit with a controlling switch within six feet of the stairway, and such switch must be readily accessible.

(f)

All wires in partitions are to be at least 18 inches from any plumbing or separated by a stud or a stapled two-inch clearance.

(g)

Attic wiring will require approved strapping with a two-inch clearance from any plumbing.

(h)

A bell-type transformer's primary connection must be connected in a junction box with the transformer fastened to the box and made accessible to authorized persons.

(i)

All conductors within six feet of an attic scuttle hole or a stairway landing must be guarded from physical damage.

(j)

Approved metallic, non-metallic, or underfloor cast-in-place raceways, armored cable or metal clad cable with a ground conductor that complies with section 250.122 of the electrical code adopted in section 18-431 shall be required for all wires used to conduct current for lights, heat or power, in the wiring of all buildings hereafter constructed, as well as additions to any buildings within fire limit area Nos. 1 and 2, as they are now or may hereafter be established, and in apartment houses of more than four apartments, churches, schools, hotels, theaters, all commercial buildings and other places of public assembly. However, in multifamily dwelling complexes, as defined in [section] 18-681 of the Code, instead of using conduit:

(1)

Non-metallic or non-metallic corrosion-resistant insulated conductors may be used for branch circuits inside the dwelling units; and

(2)

Tray cable service conductors may be used to the electrical panel inside the dwelling units, if:

a.

A 13R automatic sprinkler system, as defined in the 1994 standards of the National Fire Protection Association, is installed;

b.

An audible and visual alarm is installed to indicate not only the water flow from as few as one sprinkler head but also any tampering with the water supply valves of the sprinkler system. These alarms shall be installed so that they can be heard and seen from all sides of the building from outside the building; and

c.

A 2½-inch fire department connection is installed.

All electrical systems of multifamily dwelling complexes must comply with all applicable provisions of the electrical code adopted by the city.

(k)

Every new residence with an overhanging eave exceeding 12 inches and less than ten feet from the ground level shall have a roof mast type service entrance riser, except where underground service is provided.

(l)

Reserved.

(m)

Aluminum conductors may not be used in any branch circuit wiring.

(n)

All underground feeders for commercial and multioccupancy buildings shall be in conduit and covered with a minimum of two inches of red concrete at a depth specified by the electrical code.

(o)

All underground conduit for single-family and two-family dwellings shall be sized in accordance with the electrical code adopted in section 18-431 and shall be rigid conduit, either rigid steel galvanized or schedule 40 polyvinyl chloride conduit installed at a depth as specified by the electrical code. The rigid conduit shall be terminated approximately one foot from the power company slab or housing.

(p)

Temporary saw poles installed to supply construction power shall not be connected to the permanent interior wiring of a building or other structure without first obtaining written permission from the chief building official. If such condition is found to exist without prior written permission, the chief building official may cause the immediate disconnection of service without further notice to anyone. This shall also include poles which may be classified as permanent.

(q)

Power run to manufactured homes must be installed underground in accordance with the electrical code adopted in section 18-431.

(Code 1967, § 11-73(b)—(d), (f)—(l), (n)—(t); Ord. No. 2388, § 3, 12-22-77; Ord. No. 4775, § 10, 8-13-87; Ord. No. 8081, § 1, 9-25-97; Ord. No. 9145, § 2, 4-12-01; Ord. No. 9367, § 1, 6-13-02; Ord. No. 10,126, § 25, 8-11-05; Ord. No. 11,803, § 5, 11-21-11; Ord. No. 13,654 , § 27, 12-14-17)