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Joined: Jan 2004
Posts: 1,507
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Never mind I found it. But I still don't have the answer. (Hint: Special Permission). So what's the distance???
George Little
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Joined: Apr 2002
Posts: 7,382 Likes: 7
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Alan:
We do not have a Mechanical Inspector, so the HVAC is 'mine'. Without the units in-place, no final. One option is to delete the HVAC CU's from the new SFD permit, and file a seperate permit for them.
John
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Joined: Jul 2006
Posts: 33
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George,
I guess it would be the inspector’s interpretation of equipment requiring service and if fire alarm panels are included. The inspector could use 90.4 if it was his interpretation that fire alarm panels need servicing on a regular basis. Are we on the same page?
Tony
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Joined: Feb 2002
Posts: 2,233
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Here is the argument that someone gave me. If there are fuses in the AC disconnect, it needs workspace clearances. If there are no fuses in the AC disconnect it doesn't need clearances because it is just considered a "switch".
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Joined: Jul 2004
Posts: 9,931 Likes: 34
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Why would you need to replace fuses with the disconnect energized? Don't they usually have a dead front cover over the line side lugs?
Greg Fretwell
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Joined: Jan 2004
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The answer to my question on clearance in front of a "low voltage" alarm panel is given in 110.26(A)(1)(b). "Special Permission" for a dimension less than Table 110.26(A)(1). Note: "Special Permission" must be in writing.
George Little
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Joined: Mar 2003
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George
Most Fire alarm Panels have 120/240 volt feeds going to them.Usually only the remote devices & Equipment are strictly low voltage.
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Joined: Feb 2002
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Greg,
Around here some of the HVAC disconnects do not have dead fronts and you could easily touch the line side coming into the disconnect.
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Joined: Jul 2004
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I would have no question about this if the disconnect had fuses and no dead front cover. (and I don't mean "lost or missing")
Greg Fretwell
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Joined: Nov 2000
Posts: 2,148
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I am sorry, but based on the current wording of this section all electrical equipment, including receptactles an light switches require working space. This section needs work but the code making panel refuses to accept reasonable limits as to the types of equipment that the section applies to. In making this statement I read the word require as having this meaning: "want: have need of" and not that some rule or code or other thing makes you examine the live equipment.
Don(resqcapt19)
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Posts: 144
Joined: March 2008
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