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NEC
®
& UL listed hospital grade device requirements
TRVGFH15
Page 19
AH8200
Page 14
TR8345
Page 13
EM5134
Page 25
The National Electric Code
®
Article 517 identifies device features
for designated health care environments where medical, dental,
psychiatric, nursing, obstetrical, or surgical care are provided.
Certain applications have special device requirements to ensure the
protection of the patients, providers and equipment.
Patient room
Patient bed locations require a minimum of 8 receptacle outlets, single or duplex,
shall be listed “hospital grade” and so identified NEC Article 517.18(B).
Pediatric care
Receptacles in pediatric wards shall be listed tamper resistant NEC Article 517.18(C).
Critical care
Patient bed locations with minimum of 14 receptacle outlets, single or duplex, shall
be listed “hospital grade” and so identified NEC Article 517.19(B).
GFCI protection is not required for receptacles installed in critical care areas where
the toilet and basin are installed within the patient room NEC Article 517.21.
GFCIs are not recommended for use in critical care areas due to the potential
power failure.
Essential electrical systems for hospitals
The cover plates for electrical receptacles or the electrical receptacles themselves
supplied from the emergency system shall have a distinctive color or marking so as
to be readily identifiable NEC Article 517.30(E).
Wet procedure location
All receptacles and fixed equipment within the area of the wet procedure location
shall have ground-fault circuit-interrupter protection NEC Article 517.20(A)
Emergency power areas
Emergency power areas must be identified as such with distinct marking or color
on wallplate or device NEC Article 517.41.
Testing requirements in healthcare facilities (NFPA 99 Chapter 3-3)
Visual integrity, ground continuity, polarity and ground blade retention force.
Testing shall be performed after initial installation, replacement or servicing.
Additional testing shall be performed at intervals defined by documented
performance data.
Non-hospital grade receptacles must be tested annually.
UL listed hospital grade device testing
Devices receiving UL Listing as hospital grade must undergo the most rigorous
testing. To earn hospital grade listing, these devices must demonstrate the highest
reliability under the heaviest abuse.
For example in the abrupt plug removal test (as pictured), (UL498 Section SD21)
conditioned receptacles are subjected to four angular pulls with 10 lb. weight (shown)
and then must retain 4 oz. pin for one minute in ground contact.
ote:N See page 27 for complete sampling of Hospital Grade Tests.
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