Electrical Exam Term
Cable Tray
An open support structure used to route and support cables, commonly used in commercial and industrial installations.
Detailed Explanation
Cable trays are covered by NEC Article 392. They provide a cost-effective alternative to conduit for routing large numbers of cables. Types include ladder, ventilated trough, solid bottom, and wire mesh. Cable trays offer easy access for adding or removing cables and provide better heat dissipation than enclosed raceways. They are widely used in data centers, industrial plants, and commercial buildings.
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Practice QuestionEasy
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