Low voltage wiring in Patient Care Areas

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Runk1955

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517.80 Patient Care Areas
Equivalent insulation and isolation to that required for the electrical distribution systems in patient care areas shall be provided for communications, signaling systems, data system circuits, fire alarm systems, and systems less than 120 volts, nominal.

Need help with this,
* electrical distribution, is this refering to branch circuit wiring or feeders (distribution)?

* Insulation, does this mean if I am installing a data line in a patiant care area the insulation of the cat-5 cable would need to be rated for 90 degrees, same as the thhn I installed for power distribution?

* Isolation, the same cat-5 cable would need to be in an armored jacket or installed in conduit?

Clarification on this would be much appreciated.

Thanks!
 
All i could find is this from NFPA 99. Not real versed in this area.

NFPA 99 Standards for Health Care Facilities;

4.3.2.2.4.5 Low voltage wiring shall comply with either of the following;
(1) Fixed systems of 30V (dc or ac rms ) or less shall be ungrounded, provided the insulation between each ungrounded conductor and the primary circuit, which is supplied from a conventionally grounded distribution system, is the same protection as required for the primary voltage.
(2) A grounded low-voltage system shall be permitted provided that the load currents are not carried in the grounding conductors.

I think yes for all.What i saw in patient care areas was conduit and plenum rated cable was run for all low voltage wiring.


Need help with this,
* electrical distribution, is this refering to branch circuit wiring or feeders (distribution)?

* Insulation, does this mean if I am installing a data line in a patiant care area the insulation of the cat-5 cable would need to be rated for 90 degrees, same as the thhn I installed for power distribution?

* Isolation, the same cat-5 cable would need to be in an armored jacket or installed in conduit
Rick
 
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