Inspector's at the gate.Is that clearance right?
Install-phase answers for data-center electrical crews — cited to the code article and the manufacturer guide.
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Working clearance in front of this 480V switchboard — what do I need?
09:41Working clearance — NEC 110.26
480V falls in the 151–600V row of Table 110.26(A)(1):
• Condition 1 — 3 ft
• Condition 2 — 3 ft 6 in
• Condition 3 (exposed live parts both sides) — 4 ft
Width: 30 in or equipment width, whichever is greater. Doors must open 90°.
NEC Table 110.26(A)(1) — verify in your code book
09:41
The gear you install, documented.
Schneider/Square D, Eaton, ABB and Siemens switchgear — plus Vertiv, APC and Starline for data-center power. Pilot firms add their own submittals and specs, so answers are job-specific.
Schneider / Square DEatonABBSiemensVertivAPCStarline
Schneider / Square D
Eaton
ABB
Siemens
Vertiv
APC
StarlineCorpus in build — pilot firms shape what goes in first.
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