This year's prices for installation of all common electrical work: conduit, wire, boxes, fixtures, switches, outlets, loadcenters, panelboards, raceway, duct, signal systems, and more. Provides material costs, manhours per unit, and total installed cost. Explains what you should know to estimate each part of an electrical system. Includes a CD-ROM with an electronic version of the book with National Estimator, a stand-alone Windows estimating program, plus an interactive multimedia video that shows how to use the disk to compile construction cost estimates. Revised annually.