FAQ

50
continued from page 48
Material taken from the National Electric Code
®
is reprinted with permission
from NFPA 70
®
, 2023 edition. National Electrical Code
®
, Copyright 2022,
National Fire Protection Association, Quincy, MA. All rights reserved.
NEC
®
Text
Article 230 Services
230.85 Emergency Disconnects. For one- and two-family
dwelling units, an emergency disconnecting means shall
be installed.
(A) General.
(1) Location. The disconnecting means shall be installed in
a readily accessible outdoor location on or within sight of
the dwelling unit.
Exception: Where the requirements of 225.41 are met, this section shall
not apply.
(2) Rating. The disconnecting means shall have a short-
circuit current rating equal to or greater than the available
fault current.
(3) Grouping. If more than one disconnecting means is
provided, they shall be grouped.
(B) Disconnects. Each disconnect shall be one of
the following:
(1) Service disconnect
(2) A meter disconnect integral to the meter mounting
equipment not marked as suitable only for use as service
equipment installed in accordance with 230.82
(3) Other listed disconnect switch or circuit breaker that
is marked suitable for use as service equipment, but not
marked as suitable only for use as service equipment,
installed on the supply side of each service disconnect
Informational Note 1: Conductors between the emergency
disconnect and the service disconnect in 230.85(2) and 230.85(3)
are service conductors.
Informational Note 2: Equipment marked “Suitable only for
use as service equipment” includes the factory marking "Service
Disconnect".
(C) Replacement. Where service equipment is replaced, all
of the requirements of this section shall apply.
Exception: Where only meter sockets, service entrance conductors, or related
raceways and ttings are replaced, the requirements of this section shall
not apply.
(D) Identication of Other Isolation Disconnects. Where
equipment for isolation of other energy source systems is not
located adjacent to the emergency disconnect required by
this section, a plaque or directory identifying the location of
all equipment for isolation of other energy sources shall be
located adjacent to the disconnecting means required by
this section.
Informational Note: See 445.18, 480.7, 705.20, and 706.15 for
examples of other energy source system isolation means.
(E) Marking.
(1) Marking Text. The disconnecting means shall marked
as follows:
(1) Service disconnect
EMERGENCY DISCONNECT,
SERVICE DISCONNECT