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Service Installation Specifications

Obtain instant access to our specifications for electric and gas service installations by downloading copies of these important booklets to view online or to print out for reference in the field.

Yellow Book: Natural Gas Installation Standards Handbook

The information and specifications found in this booklet relate to the piping and equipment necessary for connecting the customer’s appliances to our gas distribution system as well as other subjects of interest to developers, customers, architects, engineers and private contractors. This booklet is intended to be a guide and is not a complete set of rules governing gas installations.

Blue Book: General Specifications for Electrical Installations

The information and specifications included in this booklet cover conductors and other electrical equipment that connect our electric system to the customer’s premises, as well as other subjects of mutual interest to the company, customer, architect, engineer and electrical contractor. This booklet is intended to be a guide and is not a complete set of rules governing the installation of electrical wiring and equipment, however, compliance with these specifications should eliminate delays in securing electric service.

Red Book: Specifications for Residential and Non-Residential Padmounted Transformer Installations

This supplement provides specifications for customers requesting electric service from a single-phase or three-phase padmounted transformer installation. This booklet presents information and general specifications relative to the introduction and use of electrical energy supplied from the company’s facilities and is intended only as a guide.

Electric Meter Approved Equipment Lists:

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