Drill holes in advance when modifying cable trays

Drilling Holes for splice plates must be drilled in field-cut cable trays. w!In this video, watch the complete process of installing a cable tray on site — from climbing the ladder, drilling holes, fixing raw. Structural building members should never be cut, and cable trays should not be installed in hoist way or where subject to physical. Instrumentation cable trays are critical for organizing and protecting electrical and signal cables in industrial environments. A short piece of side rail that is punched with the standard factory hole pattern can be bolted to. maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray.