FAQ
46
usage through submetering strategies, which track
energy usage and power consumption for individual
tenants, departments, and pieces of equipment or
other loads to account for their actual energy usage.
From tenant billing to energy measurement & verification
(M&V), Verifeye™ oers a seamless solution that enables
smart metering and simplifies the complexities of
monitoring energy usage, allocating energy costs and
billing tenants.
continued from page 45
New
225.41(A)(B)(C) Emergency
Disconnects – 1 and 2 Family Homes
Change Summary
• The Code Making Panel (CMP) has accepted and
added requirements for designing and installing
outdoor emergency disconnects.
Article 225 Outside Branch Circuits and Feeders
225.41 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.
(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) Identication 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.
(C) Marking. The disconnecting means shall be marked as
EMERGENCY DISCONNECT.
Markings shall comply with 110.21(B) and all of
the following:
(1) The marking or labels shall be located on the outside
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
continued on page 48