a) General
Electrical System Requirements
1) All material
including equipment, conductors, controls, and signaling devices shall be
installed to provide a complete electrical system with the necessary
characteristics and capacity to supply the electrical facilities required by
these standards. All materials shall be listed as complying with available
standards of Underwriters' Laboratories, Inc. or other similarly established
standards. (B)
2) All electrical
installations and systems shall be tested to show that the equipment is
installed and operates as planned or specified and be in accordance with these
standards. (A, B)
b)
Switchboards and Power Panels. Circuit breakers or fusible switches that
provide disconnecting means and overcurrent protection for conductors connected
to switchboards and panelboards shall be enclosed or guarded to provide a
dead-front type of assembly. The main switchboard shall be located in a
separate enclosure accessible only to authorized persons. The switchboard shall
be convenient for use, readily accessible for maintenance, clear of traffic
lanes, and in a dry ventilated space free of corrosive fumes or gases. Overload
protective devices shall be suitable for operating properly in ambient
temperature conditions.
c)
Panelboards. Panelboards serving lighting and appliance circuits shall be
located on the same floor as the circuits they serve. This requirement does not
apply to emergency system circuits.
d) Lighting
1) All spaces occupied by people, machinery,
and equipment within buildings, approaches to and exits from buildings, and
parking lots shall have lighting.
2) Resident's rooms shall have general
lighting. There shall be lighting for the use of staff. At least one light
fixture shall be switched at the entrance to each resident room. All switches
for control of lighting in resident's sleeping areas shall be of the quiet
operating type.
e)
Receptacles (Convenience Outlets)
1) Each
resident bed room shall have duplex grounding type receptacles as follows: One
located each side of the head of each bed, crib or bassinet; one for television
if used; and one on another wall. (B)
2) Resident bathrooms shall have at least one
duplex receptacle.
3) See Article
517 of National Fire Protection Association Standard 70 for grounding
requirements.
4) All receptacles
shall be of the child safety type or shall be protected by five milliampere
ground fault interrupters.
5)
Duplex receptacles shall be installed approximately 50 feet apart in all
corridors and within 25 feet of ends of corridors.
f) Door Alarm System. Each exterior door
shall be equipped with a signal that will alert staff if a resident leaves the
building. Any exterior door that is supervised during certain periods may have
a disconnect device for part-time use. If there is constant 24 hour a day
supervision of the door, a signal is not required. (B)
g) Nurses' Calling System
1) Each resident room shall be served by at
least one calling station to be used by staff to summon additional assistance.
Call shall register at the nurses' station and shall activate a visible signal
in the corridor at the resident's door and in the nurse's station. In
multicorridor nursing units, additional visible signals shall be installed at
corridor intersections. In rooms containing two or more calling stations,
identifying lights shall be provided at the nurses' station. (B)
2) An accessible nurses' call station shall
be provided at each resident's watercloset, bath, and shower room or area.
(B)
h) Fire Alarm System
1) A manually and automatically operated fire
alarm system shall be installed. (A, B)
2) Automatic smoke detectors shall be
installed in all resident sleeping rooms and at 30 feet on center in all
corridors other than sleeping area corridors. (A, B)
i) Emergency Electrical System
1) To provide electricity during an
interruption of the normal electric supply, an emergency source of electricity
shall be provided and connected to certain circuits for lighting and power. The
emergency system shall consist of the life safety branch and the critical
branch. (B)
2) The source of this
emergency electric service shall be an emergency generating set or an approved
dual source of normal power. (B)
3)
Life Safety Branch, Automatic Transfer ten Seconds.
A) Illumination of means of egress as
necessary for corridors, passageways, stairways, landings and exit doors, and
all ways of approach to and through exits. (A, B)
B) Exit signs and exit directional signs. (A,
B)
C) Sufficient lighting in dining
room and recreation areas to provide illumination to exit ways. (A,
B)
D) Fire alarms activated at
manual stations, by electric water flow alarm devices in connection with
sprinkler systems, and by all automatic detection systems. (A, B)
E) Communication systems, where these are
used for issuing instructions during emergency conditions. (A, B)
F) Task illumination and selected receptacles
at the generator set location. (B)
4) Critical Branch, Automatic Transfer Ten
Seconds
A) Task illumination and selected
receptacles in the nurse's station including the medication preparation area.
(B)
B) Sump pumps and other
equipment required to operate for the safety of major apparatus including
associated control systems and alarms. (B)
C) Elevator cab lighting and communication
systems. (B)
D) Nurses' call system
(B)
5) Critical Branch,
Automatic or Manual Systems
Heating equipment to provide heating for patient rooms.
EXCEPTION: Where the facility is served by two or more electrical services
supplied from separate generators or a utility distribution network having
multiple power input sources and arranged to provide mechanical and electrical
separation so that a fault between the facility and the generating sources is
not likely to cause an interruption of more than one of the facility service
feeders. (B)
6) Details
A) The life safety and critical branch shall
be in operation within ten seconds after the interruption of normal electric
power supply. (B)
B) Receptacles
connected to emergency power shall be distinctively marked. (B)
C) Where fuel storage facilities are provided
on the site, the fuel tank shall have minimum capacity for 24 hour operation of
the generator. (B)