2.1.4
Components
UL 544; The surgical lighting fixtures shall be specifically design for
use in surgical operating rooms.
2.1.5
Electrical Characteristics
120 volts, 60 Hz, single-phase, three-wire grounded circuits.
2.1.6
Lamp
[Quartz halogen] [_____] enclosed by heat-absorbing filter. Lamp shall be
color corrected and heat filtered and shall have a minimum lifespan of 500
hours. Furnish one spare lamp with each lighthead.
2.1.7
Suspension Systems
Mount each lighthead on a counterbalanced arm that can rotate 6.28 rad 360
degrees horizontally and can provide both vertical and horizontal
adjustments. Fixture shall be controllable from both inside and outside
the sterile field and shall move in a free, smooth, and silent manner
throughout its range of maneuverability without drifting, regardless of
position. [In systems with multiple arms attached to the same mount, each
individual arm and lighthead shall operate independently and shall be
mounted so that each individual arm and lighthead can be positioned outside
the sterile area, can bypass each other and be raised, and can be lowered
and rotated.]
[2.1.8
Movement Limits
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NOTE: Include this paragraph where flammable
anesthestics are used.
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Provide lighthead with stops which shall prevent surgical light from being
lowered less than 1520 mm 5 feet above the finished floor.
]2.2
CONTROLS
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NOTE: Designer should coordinate with User for the
number of controllers required and indicate this
information on the drawing.
**************************************************************************
[Recessed] [or] [Surfaced] mounted. Include circuit breaker, an on/off
switch located outside the sterile field, and a pilot light. Controls
shall have a continuously variable intensity control range from the maximum
lux footcandle rating of the lighting fixture to a minimum of 60 percent of
the maximum lux footcandle rating of the lighting fixture. Include a radio
frequency suppressor. Provide time-of-use meter to determine when to
replace the lamp. Provide control units with electrical plug connections
designed to allow eased of service or replacement.
2.3
SURGICAL LIGHT TRANSFORMER
NEMA ST 20, [_____] VA, 120 V, 60 Hz primary, 22.8 V - 24 V, 60 Hz
secondary.
SECTION 16553N
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