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Light Head/Articulating Arm Assembly:
That part of the device that includes the light source, heat removal system, and light head
vertical positioning arm.
Extension Arm
Horizontal section of the positioning arm with pivots on both ends that is used to increase
the area covered by the light head and articulating arm.
Light Mounting
Support apparatus used to connect light head/articulating arm assembly to a fixed
surface, consisting of either a single or dual ceiling mount, wall mount, or track mount.
Light head/articulating arm assembly may also be used with a mobile floor mount
Neutral Conductor
In an AC circuit, the return line for current.
Protective Earth Ground
The conductor used to connect the non-current-carrying metal parts of equipment,
raceways, and other enclosures to the system grounded conductor, the grounding
electrode conductor, or both, of the circuit at the service equipment or at the source of a
separately derived system.
Ft-Lbs.
Foot-pounds. The unit of measurement of torque that is caused by an off-center load.
5368 KUHL ROAD ● ERIE, PENNSYLVANIA 16510 ● PHONE 814-899-4220 ● FAX 814-899-1410
Definition of Terms (continued)
A member of the Medical Illumination International Group
Section 1
Page 8 of 85
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