Rule 537c.
Sections - E4002.2, and E4002.16, are amended to read as
follows:
E4002.2. Grounding type.
Receptacles installed on 15- and 20-ampere-rated branch circuits shall be of
the grounding type and connected to an equipment grounding conductor.
Exception: Replacement receptacles as permitted by
Section E4002.16.
E4002.16.
Replacements. Replacement of receptacles shall comply with the following as
applicable. [406.4(D) amended]
(1)
Grounding-type receptacles. Where a grounding means exists in the receptacle
enclosure or an equipment grounding conductor is installed grounding type
receptacles shall be used and shall be connected to the equipment grounding
conductor. [406.4(D)(1) amended]
(2) Non-grounding-type receptacles. Where
attachment to an equipment grounding conductor does not exist in the receptacle
enclosure, the installation shall comply with 1 of the following: [406.4(D)(2)
amended]
(a) A non-grounding-type receptacle
may be replaced with another non-grounding-type receptacle.
[406.4(D)(2)(a)]
(b) A
non-grounding-type receptacle may be replaced with a ground-fault circuit
interrupter-type of receptacle. These receptacles shall be marked "no equipment
ground." An equipment grounding conductor shall not be connected from the
ground-fault circuit-interrupter-type receptacle to any outlet supplied from
the ground-fault circuit-interrupter receptacle. [406.4(D)(2)(b)]
(c) A non-grounding type receptacle may be
replaced with a grounding-type receptacle where supplied through a ground-fault
circuit interrupter. Grounding-type receptacles supplied through the
ground-fault circuit interrupter shall be marked "GFCI protected" and "no
equipment ground." An equipment grounding conductor shall not be connected
between the grounding-type receptacles. [406.4(D)(2)(c)]
(3) Ground-fault circuit interrupters.
Ground-fault circuit-interrupter protected receptacles shall be provided where
replacements are made at receptacle outlets that are required to be so
protected elsewhere in this code. [406.4(D)(3)]
Exception: Where replacement of the receptacle type is
impracticable, such as where the outlet box size will not permit the
installation of the GFCI receptacle, the receptacle may be replaced with a new
receptacle of the existing type, where GFCI protection is provided and the
receptacle is marked "GFCI protected" and "no equipment ground" in accordance
with E4002.16 (2)(a), (b),or (c). [406.4(D)(3) Exception]