605.4
|
Minimum standards. If visual inspection by the authority having
jurisdiction reveals that the wiring system of an existing dwelling
unit is inadequate, or if code certification for any reason is required
or requested, the following minimum standards should be complied with.
| ||
605.4.1
|
Entrances and exits. Where two or more entrances and/or exits
exist, at least two shall be illuminated by exterior lights. Exterior
lights shall be controlled by interior wall switches, located for
convenient and readily accessible use.
| ||
605.4.2
|
Living room. The living room shall be provided with a conveniently
located wall-switch-controlled light or receptacle. The switched receptacle
may be one of the required receptacles in the room. Duplex receptacles
shall be equally spaced around the walls of the room, one duplex receptacle
on each wall, unless the pacing requirements of § 210-52(a)
of the N.E.C. (NFPA 70) are met.
| ||
605.4.3
|
Kitchen. The kitchen shall be provided with illumination. The
required illumination shall be controlled by a wall switch.
| ||
A separate kitchen appliance circuit shall be provided, supplying
a minimum of three grounding-type duplex receptacle outlets. The grounding
contacts of these receptacles shall be grounded. Two of these receptacles
shall be readily accessible and spaced for convenient use of portable
appliances. New appliance circuits shall be twenty-ampere capacity.
Pre-1950-built homes require only two if not altered from original
state.
| |||
NOTE: GFCI protection shall not be used as a substitute for
grounding for utilization equipment required to be grounded.
| |||
605.4.4
|
Bathroom. Bathrooms shall be provided with illumination, controlled
by a conveniently located wall switch. A receptacle separate from
a light fixture shall be provided. All bathroom receptacles shall
have GFCI protection.
| ||
605.4.5
|
All other habitable rooms. Habitable rooms shall be provided
with a conveniently located wall switch. A receptacle separate from
a light fixture shall be provided. A minimum of two additional duplex
receptacles are required, equally spaced around the room. Pre-1950-built
homes require only one if not altered from original state.
| ||
605.4.6
|
Basement. The basement shall have a minimum of one lighting
outlet for general illumination. All enclosed areas that may be walked
into (except coal bins) shall be provided with a lighting outlet.
| ||
605.4.7
|
Laundry area. Laundry areas shall be provided with illumination.
A grounding-type duplex receptacle shall be provided adjacent to the
laundry equipment, in a separate circuit. New laundry circuits shall
have twenty-ampere capacity.
| ||
605.4.8
|
Space heating system. Heating equipment that requires electricity
for operation of any facet shall be provided with an individual circuit.
A disconnect switch shall be provided on or adjacent to the equipment.
(Exception: Thermo-pile controlled furnaces.)
| ||
605.4.9
|
Stairwells. Stairwells shall be adequately illuminated. Lighting
outlets shall be controlled by wall switches. Switches shall not be
located where it is necessary to use darkened stair sections for their
operation. Stairwells connecting finished portions of dwellings shall
be provided multiple-switch control: one at the head, the other at
the foot of the stairwell.
| ||
605.4.10
|
Service and/or feeder. The service or feeder to an existing
dwelling unit shall be a minimum of three-wire, one-hundred-ampere
capacity. Service equipment shall be dead front, having no live parts
exposed whereby accidental contact could be made. All plug type fuses
shall be Type S.
| ||
Exception: An existing properly installed fifty-five-ampere
capacity, three-wire service and feeders of 30 ampere, two-wire are
acceptable if adequate for the load being served.
| |||
605.4.11
|
Existing wiring and equipment. Existing wiring and equipment
shall be in good repair. Circuit extensions made with flexible cord
wiring in lieu of permanent wiring shall be eliminated.
| ||
605.4.12
|
New wiring. All new work shall conform to the National Electric
Code as amended.
| ||
605.4.13
|
Evidence of inadequacy. Any of the following shall be considered
evidence of inadequacy:
| ||
(a)
|
Use of cords in lieu of permanent wiring.
| ||
(b)
|
Oversizing of overcurrent protection for circuits, feeders or
service.
| ||
(c)
|
Unapproved extensions to the wiring system in order to provide
light, heat or power.
| ||
(d)
|
Electrical overload.
| ||
(e)
|
Misuse of electrical equipment.
| ||
(f)
|
Lack of lighting fixtures in bathrooms, laundry rooms, furnace
room, stairway or basement.
| ||
605.4.14
|
Ground fault protection. All of the following receptacle outlets
shall have ground fault protection:
| ||
(a)
|
Bathrooms.
| ||
(b)
|
Outdoors with grade-level access.
| ||
(c)
|
Garages and sheds where accessible from the floor.
| ||
(d)
|
Kitchen countertops within six feet of the sink.
| ||
(e)
|
Docks with the exception of locking type for shore power.
|