Abstract: A grounding clamp for securing a grounding cable to a tray having a number of spaced apart longitudinal and transverse members includes a body portion having a bottom portion and inner and outer end portions projecting from the bottom portion. The inner end portion includes at least two finger-like members projecting from the bottom portion for engaging at least one transverse member between the finger-like members. A portion of the body portion includes a cavity defined by the bottom portion, the inner end portion, and the outer end portion for receiving at least one longitudinal member therein. The cavity further receives the grounding cable. The outer end portion includes a threaded opening therethrough. The grounding claim further includes a threaded bolt that is received in the threaded opening in the outer end portion for securing the grounding cable to the at least one longitudinal member.