Massachusetts Appeals Court November 5, 2003, No. 01-P-1487 (Ostrow Electrical Co. v. J.L. Marshall & Sons, Inc.)

Doerfer, J.

The Worcester Convention Center is equipped with an elaborate audiovisual system that includes numerous loudspeakers. Associated with most of these loudspeakers is a “backbox” that houses the loudspeaker and into which wires run. A controversy developed during construction between Os-trow Electrical Co. (Ostrow), the audiovisual subcontractor, and Coughlin Electric Company, Inc.