Product Details

The 2026 BNi Electrical Costbook is the 33rd edition of the trusted estimating resource designed specifically for electrical contractors, estimators, and project managers. It features over 10,000 up-to-date unit costs covering labor, material, and equipment for electrical construction, all organized using the CSI MasterFormat for easy reference. This edition includes detailed man-hour estimates, square foot tables, and a comprehensive set of geographic multipliers for more than 600 metro areas across the U.S., allowing for region-specific pricing adjustments. With data developed from real-world projects and industry sources, the costbook helps professionals produce accurate, timely estimates with confidence.