Super-duty cable tray splice plate reduces number of required structural supports

Sept. 17, 2015
New product from T&B also serves as mid-span splice.

New from Thomas & Betts (T&B), the T&B Cable Tray Super-Duty Splice Plate may reduce costs by eliminating the need for additional supports at the expansion joint that the National Electrical Manufacturers Association (NEMA) would otherwise recommend. It also can be used for mid-span splicing.

“The Super-Duty Splice Plate is designed for expansion splicing, which reduces the number of additional supports required for structural integrity,” says Ralph Donati, product marketing director at T&B. “By also doubling as a mid-span splice, it provides the contractor with greater flexibility in the use of materials and further reduces cost by reducing the number of stock-keeping units [SKUs] the contractor needs at the jobsite.”

The new splice plate also eliminates the need to drill and install additional hardware on the flange, notes T&B, saving additional installation time. It also features nylon washers that facilitate movement by reducing friction and require no lubrication of the side rail during installation or maintenance. The reinforced design of the plate provides rigidity, resistance and strength, and allows for true contraction and expansion under full loads.

Made of high-strength, heat-treated aluminum, the Super-Duty Splice Plate is 13 inches (330 mm) wide and rated for 6-inch aluminum side rails (Series AH36-AH66). The plate is pre-drilled for expansion and mid-span applications, and is supplied with all hardware needed for both types of installations. For more information, visit

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