What projects can I specify with this library?

  • Medium-voltage electrical distribution
  • Low-voltage electrical transmission
  • Electrical power generating equipment
  • Electrical and cathodic protection
  • Lighting
  • Communication systems
  • Electronic, safety, and security systems

Electrical Specification Library

Over 175 Premium, Professional or Outline specification sections (basic or expanded) in the most current version of MasterFormat™.

A complete specification library for electrical projects.

A complete specification library for building electrical projects, including power distribution, data, communication, lighting, electronic, safety, and security work.

MasterSpec is exclusively endorsed by the American Council of Engineering Companies (ACEC) and the National Association of Professional Engineers (NSPE).

Tables of Contents
Sample Sections - 263600 Transfer Switches
Basic 37k Download Premium (Comprehensive text) 263600 82k Download
Expanded 42k Download Professional (Full but streamlined text) 263600 74k Download
Supplemental 42k Download Outline 263600 13k Download


Supporting Documents

MasterSpec is the ONLY specification system that has a set of Supporting Documents, comprehensive background research information, for each specification section. Supporting Documents consist of:

  • Summary
  • Evaluations
  • Drawing Coordination Checklist
  • Specification Coordination Checklist

What do I get with my MasterSpec License?

  • Thoroughly researched specifications
  • Extensive instructions and tips
  • Comprehensive background information
  • Site-based (not seat-based) license
  • Regular Updates
  • Masterworks software
  • SpecAgent and Product MasterSpec resources
  • Web resources
  • CSI-formatted documents
Read More

MasterSpec Specification Formats

MasterSpec Premium - The most comprehensive solution for moderate- to large- scale, extensive, or complex projects. Use for varied bidding and contracting situations including publicly bid projects. Provide detailed quality assurance and installation procedures.

MasterSpec Professional - Full specifications but streamlined for the most common project types and contractual requirements. Professional sections may be used seamlessly with the Premium sections.

MasterSpec Outline - For use during the schematic and design development phases of the project to document design decisions and for cost estimating.

Keep in Touch

Whether it is through Twitter, Facebook, the SpecTalk blog or our newsletter, MasterSpec keeps you informed