NOTE:

This guide specification covers the requirements for the procurement, installation, and testing of electrical wiring systems for construction projects.

Telecommunications cabling is covered in Section 27 10 00, BUILDING TELECOMMUNICATIONS CABLING SYSTEM. These wiring systems primarily involve voltages of 1,000 volts and less and mainly involve interior systems. When voltages greater than 1,000 volts are brought into a facility, consult and use Section 26 11 16 SECONDARY UNIT SUBSTATIONS; Section 26 12 21 SINGLE-PHASE PAD-MOUNTED TRANSFORMERS; and Section 33 71 01, OVERHEAD TRANSMISSION AND DISTRIBUTION. Also consult Section 33 71 02, UNDERGROUND ELECTRICAL DISTRIBUTION and Section 26 11 14.00 10 MAIN ELECTRIC SUPPLY STATION AND SUBSTATION. Requirements for materials and procedures for special or unusual design should be added as necessary to fit specific projects.