Contractor Resources

Electric and Gas Service Requirements

To ensure safety and reliability, we require all our contractors to follow specific requirements. Our electric, gas, and steam service manuals contain general procedures, standards, and specifications.

 

Installation Standards

• Customer Guide to Electrical Service Installation—Electric Blue Book (PDF)
• Customer Guide to Natural Gas Service Installation—Gas Yellow Book (PDF)
• Customer Guide to Padmounted Transformer Installations—Red Book (PDF)
• Gas Certification Form (PDF)

 

Electric Meter Approved Equipment Lists

Commercial

Single Phase

• Self-Contained (PDF)
• Transformer Rated (PDF)
• Multi-Meter Assemblies (PDF)

Polyphase

• Self-Contained (PDF)
• Transformer Rated (PDF)
• Multi-Meter Assemblies (PDF)

Residential

Single Phase

• Self-Contained (PDF)
• Transformer Rated (PDF)
• Multi-Meter Assemblies (PDF)

Polyphase

• Self-Contained (PDF)
• Transformer Rated (PDF)
• Multi-Meter Assemblies (PDF)
• Temporary Services (PDF)
• Service End Boxes (PDF)