Trenching & Excavation Accidents #2 This page was last updated on 05/06/2010 Backhoe Severs buried Electrical Power CABLE On February 12, 2002, at the construction site for the Spallation Neutron Source (SNS) at the Oak Ridge National Laboratory, a backhoe operator struck and severed a buried 240-volt temporary power cable with his backhoe bucket. This...