Provides ½” (13mm) compensation for cable tray thermal expansion and contraction.
To maintain CSA & UL electrical continuity requirements, bonding jumpers are required across the splice when using this item.
See link from the Cable Tray Institute for more information about Thermal Contraction and Expansion of Cable Tray.
Recommended every 40’-0”.
Comes with the following 3/8” stainless steel fasteners for exterior use: 2 bolts (BB215-SS), 2 nylon lock nuts (BB251-SS) & 4 flat washers (BB221-SS).
The stainless steel fasteners (for exterior use) to connect to the cable tray are sold separately ((BB200-SS) 5/16" spring nut, (BB210-SS) 5/16" bolt, (BB220-SS) 5/16" flat washer).
Material thickness 1/8” (3mm). |