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110.26(C)(1)

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    110.26(C)(1)

    Is it acceptable of having electrical room inside comm room ? i.e. the egress door of electrical room is leading to comm room like this,

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    #2
    Can the door swing(s) be changed to open outwards, instead of inwards? If you're more than 800 amps, and the door is closer than 25 feet, C(3) says the door has to open 'in the direction of egress.' (P T Barnum would be so proud)

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      #3
      From the NEC perspective, this is acceptable. From the telecomm perspective, it likely is not. I can offer two reasons. First, telecomm equipment does not like to be close to transformers, as they can cause interference. If your distribution system has no transformers (e.g., 120/208V service to the building), then this issue goes away. Secondly, and more importantly, the person who is responsible for the equipment in the telecomm room is not going to want to give a key to the electrician.
      Charles E. Beck, P.E., Seattle
      Comments based on 2017 NEC unless otherwise noted.

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