(a) Scope. The provisions of this section shall apply to the rehabilitation of electrical systems in one (1), two (2) and three (3) family dwelling units when they have been determined to be inadequate as specified in subsection (b) hereof.
(b) Evidence of Inadequate Wiring. Evidence of inadequate wiring shall include one (1) or more of the following:
(1) Excessive use of flexible cords in lieu of permanent wiring;
(2) The use of oversized overcurrent protection device for branch circuits, feeders or service;
(3) Unapproved extensions to the wiring system in order to provide light, heat or power;
(4) The lack of two (2) duplex receptacles in every habitable room, except there shall be a duplex receptacle outlet on each wall in the living room and at least one (1) duplex receptacle in the bathroom;
(5) Electrical overloads resulting in frequent operation of an overcurrent device;
(6) Misapplication of electrical equipment;
(7) Lack of an operable switched light fixture in every toilet room, bathroom, laundry areas, furnace room, hall or stairwell;
(8) Lack of an independent circuit and a grounded receptacle for laundry facilities;
(9) Lack of at least one (1) lighting outlet for each two hundred (200) square feet of basement area;
(10) Lack of service premises grounding.
(c) Minimum Standards. The following requirements are the minimum standards and shall satisfy the intent of this section.
(1) Entrances and Exits. Entrances and exits shall be illuminated by exterior lighting fixtures. These shall be controlled by interior wall switches, located for convenient and readily accessible use.
(2) Living Rooms. The living room shall be provided with illumination. The lighting outlet shall be controlled by an interior wall switch located for convenient and readily accessible use, near the entrance to the room.
Receptacle outlets controlled by a wall switch are permitted in lieu of a lighting outlet.
Convenient duplex electrical receptacle outlets shall be provided equally spaced around the room, with at least one (1) duplex outlet on each wall where practical.
(3) Kitchens. Kitchens shall be provided with illumination. The main lighting outlet shall be controlled by a wall switch, located for convenient and readily accessible use, near the entrance to the room. Fixtures over the sink shall be grounded and have a separate wall switch.
Two (2) appliance circuits shall be provided, supplying a minimum of four (4) grounding-type receptacle outlets. One (1) or two (2) shall be suitably placed for connection of stove and refrigerator, and there shall be a minimum of three (3) receptacles above table or counter height for the convenient connection of small appliances, where practical. Appliance circuits shall be twenty (20) ampere capacity.
(4) Bathrooms. Bathrooms shall be illuminated. The main lighting outlet shall be controlled by a wall switch next to the entrance. Fixtures over the sink shall be grounded and have a separate wall switch. Fixtures with receptacles shall have the receptacles permanently disconnected.
A grounding-type receptacle outlet separate from the light fixture shall be provided and shall be located at least thirty (30) and not more than forty-eight (48) inches above the floor adjacent to the wash basin and not more than four (4) feet from the basin.
(5) All Other Habitable Rooms. Illumination for each habitable room shall be provided. Lighting outlets shall be controlled by a wall switch. Wall switches shall be located for convenient and readily accessible use. Convenience duplex receptacle outlets shall be provided with a minimum of two (2) receptacle outlets equally spaced around the room. An additional receptacle outlet controlled by a wall switch is acceptable in lieu of a lighting outlet.
(6) Basements. Basements shall be wired for a minimum of one (1) lighting outlet in each two hundred (200) square feet of major fraction of area for use as general illumination. All enclosed areas, except coal bins, that may be walked into, such as toilet rooms, fruit storage rooms, utility rooms, excavated areas under porches, etc., shall be provided with at least one (1) lighting outlet.
Stairwell, laundry and electrical service area lighting outlets shall not be counted as part of the required basement lighting outlets.
(7) Laundry Areas. The laundry area shall be provided with separate illumination. The laundry receptacle circuit shall be an individual twenty (20) ampere circuit. A wall mounted grounding-type duplex receptacle outlet shall be provided and located near the laundry equipment.
(8) Space Heating System. Heating equipment requiring electrical energy for operation and/or control shall be provided with an individual circuit. A disconnect switch shall be provided on or adjacent to the heating equipment, except for a thermopile controlled furnace.
(9) Stairwells and Hallways. Stairwells and hallways shall be adequately illuminated. Lighting outlets shall be controlled by wall switches. Wall switches shall be located for convenient and readily accessible use. Switches shall not be located where it is necessary to use darkened stair sections for their operation. Stairways to all finished portions of a dwelling shall be provided with a three (3) way or multiple switch control.
(10) Service. Service to existing dwelling unit shall be a minimum of one hundred (100) ampere, three (3) wire capacity. Service equipment shall be dead front having no live parts exposed whereby accidental contact could be made. Type “S” fuses shall be installed when fused equipment is used.
Existing service of fifty (50) amperes or larger, two (2) or three (3) wire capacity shall be accepted as an exception if adequate for the electrical load being served.
(11) Service Meters. Supply to each dwelling unit shall be individually metered. No service shall be supplied through a meter to an area other than that controlled by the occupant, except where the owner pays for the electricity.
(12) Service Main Disconnects and Panels. The area around the main disconnect and branch panel shall be illuminated. The maximum height from the floor to the top of any overcurrent device shall be six and one-half (6-1/2) feet. Clearance in front shall be a minimum of three (3) feet for ready access.
(13) Grounding Electrode Conductors. One end of the grounding electrode conductor shall be connected to the grounded conductor in the service equipment on the supply side. The other end shall be connected to a metallic cold water pipe system, and a jumper shall be placed around the water meter. If there is no metallic cold water pipe system, then a ground rod electrode shall be installed. The ground rod shall be a minimum of eight (8) feet long and of approved diameter and material.
(14) Existing Receptacles. Replacements for existing receptacles in rooms other than kitchen, bathrooms, basement or outdoor areas may be nongrounding type. All new receptacles shall be of the grounded type.
(15) Existing Knob and Tube Circuits in Dwelling Units.
A. Number fourteen (14) wire shall be fused at fifteen (15) amperes.
B. Number twelve (12) wire shall be fused at twenty (20) amperes.
C. All splices and joints to other wiring methods shall be in boxes.
D. Any extension of knob and tube wiring shall be prohibited, except by special permission.
E. All new and existing fixtures shall be mounted on shallow workboxes if boxes are nonexistent.
F. All exposed abandoned wiring and equipment shall be removed.
(16) Door Bells. Existing door bell system shall be restored to operating condition.
(17) Basement Wiring. Basement wiring in dwelling units shall:
A. Be in protective raceways or armored cable when bottom of joist is less than seven (7) feet above the floor;
B. The size of the hole through the joist for nonmetallic sheathed cable shall be one-fourth (1/4) inches to three-eighths (3/8) inches larger than the diameter of the cable;
C. Only one (1) cable shall pass through each hole.