Application
Product Description
Trench duct is a flush electrical raceway system. It is commonly used as:
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A feeder for the cells of a cellular steel floor system.
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A feeder for the distribution ducts of an underfloor duct system.
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A flush self-contained raceway system for computer areas, laboratories, and medical imaging facilities.
Standard Sizes and Types
Standard trench duct cover plate widths are:
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6 in. (152 mm)
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9 in. (229 mm)
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12 in. (305 mm)
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18 in. (457 mm)
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24 in. (610 mm)
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30 in. (762 mm)
Trench ducts can be one compartment or divided into two or three compartments to separate different services. Other widths, depths, and numbers of compartments can be manufactured for special applications.
Trench duct is available in the following system types:
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Unassembled—bottomless
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Unassembled—intermittent bottom
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Factory-assembled
All three systems are Underwriters Laboratories® (UL®) listed and basically the same, with differences only in which components are used and the method of assembly.