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(a) A disconnecting means shall be provided to disconnect the power to all electronic equipment in an information technology equipment room. There shall also be a similar means to disconnect the power to all dedicated heating, ventilating and air conditioning (HVAC) systems serving the room and to cause all required fire/smoke dampers to close.
Exception: Integrated electrical systems covered by Article 89 need not have the disconnecting means required by this section.
(b) Grouping. The control for these disconnecting means shall be grouped and identified and shall be readily accessible at the principal exit doors. A single means to control both the electronic equipment and HVAC system is permitted.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. New section filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).
2. Amendment of section and Note filed 5-5-2008; operative 5-5-2008. Submitted to OAL for printing only pursuant to Labor Code 142.3(a)(3) (Register 2008, No. 19).
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