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Fast-track getting up to speed with major changes to the code and implementing the most current electrical installation requirements. The NFPA 70®,...

Now Available! The code you—and the world—depend on to keep pace with ever-evolving electrical hazards and challenges. NFPA 70®, National Electrica...

Stay ahead of electrical safety and compliance with the 2026 edition of NFPA 70® National Electrical Code® (NEC®)—the most trusted and up-to-date s...

Access the electrical safety information you need to help ensure safe and compliant commercial and industrial electrical installations. It’s critic...

The electrical safety knowledge and requirements you need, wherever your work takes you. The NEC® Pocket Guide to Residential Electrical Installati...

Now Available! Enhance your efficiency with the 2026 National Electrical Code Tabs, designed specifically for quick navigation of the NFPA 70®, Nat...

Current installation costs for all common electrical work, including conduit, wire, boxes, fixtures, switches, outlets, load centers, panelboards, ...

Available October Current labor and material prices for home improvement projects. Provides manhours for each job, recommended crew size, and the l...

Available October A complete guide to estimating painting costs for just about any type of residential, commercial, or industrial painting, whether...

Manhours, labor, and material costs for all common plumbing and HVAC work in residential, commercial, and industrial buildings. You can quickly wor...

Current prices in dollars and cents and detailed descriptions for hard-to-find items needed on most insurance, repair, remodeling, and renovation j...

Current prices in dollars and cents for hard-to-find items needed on most insurance, repair, remodeling, and renovation jobs. All price items inclu...

Get the latest edition to help ensure the integrity of critical water-based fire protection systems, minimize hazards, and help protect lives and p...

A guide to assist in clarifying and standardizing installation specifications for tile. Each installation recommendation, or method, requires a pro...

Real Projects. Real Costs. Better Early Estimates. The 2027 BNi Architect's Square Foot Costbook gives you fast, reliable building cost data for c...

Power Your Estimates with Trusted Electrical Cost Data. Build more accurate electrical estimates with the trusted cost data found in the 2027 BNi ...

Plan Maintenance and Capital Projects with Confidence. Take control of facility planning, maintenance, renovations, and capital improvements with ...

Win more bids. Protect Profits. Estimate with Confidence. Trusted by contractors since 1946, the 2027 BNi General Construction Costbook with Assem...

Where Every Great Estimate Begins. The 2027 BNi Guide to Construction Costs delivers the reliable cost data you need to estimate accurately, contro...

Reduce Estimating Errors. Increase Your Bottom Line. Build more accurate residential estimates with the trusted cost data in the 2027 BNi Home Bui...

Build Remodeling Estimates with Confidence. Whether you're planning a kitchen renovation, bathroom remodel, room addition, or whole-home transform...

Estimate Interior Projects with Confidence. The 2027 BNi Interiors Square Foot Costbook gives you the specialized cost data needed to budget, esti...

From Pipe to Panel, Estimate with Confidence. The 2027 BNi Mechanical/Electrical Costbook gives you the reliable cost data you need to estimate ME...

Estimate Public Infrastructure Projects with Confidence. From roadways and utilities to site development and civil infrastructure, the 2027 BNi Pu...