They are especially useful in situations where changes to a wiring system are anticipated, since new cables can be installed by laying them in the tray, instead of pulling them through a pipe. Hubbell Wiring Device-Kellems and Hubbell Premise Wiring are divisions of Hubbell Incorporated, a U. headquartered manufacturer with over 130 years of supplying solutions for the electrical and data markets. The bottom part of the perforated cable. Eaton's B-Line series wide cable trays use stronger rungs to safely bear the loads published (only our 42 and 48-inch widths require load reductions). When supporting small diameter multi-conductor control and instrumentation cables, 6, 9, or 12-inch rung spacings should be specified. Separation: High-power and low-power cables must be separated to.
[PDF Version]