| General Information |
 PDF Format |
| Introduction |
| Diclaimer |
| Customer Owned Equipment Specifications |
| 100. General |
| 101. Requesting New Electric Service |
| 102. Meter Equipment Pick-Up Locations |
| 103. Installation Of Electric Facilities |
| 104. Service Connections |
| 105. Unauthorized Use Of Electricity |
| 106. Locating The Company’s & Other Utilities Underground Facilities |
| Systems of Distribution |
| PDF Format |
| 200. Service Voltages |
| 201. Available Fault Current Information |
| Service Installations |
| PDF Format |
| 300. General |
| TEMPORARY ELECTRIC SERVICE |
| 301. Requirements for Electric Service |
| PERMANENT ELECTRIC SERVICE |
| 302. Number of Services |
| 303. Space for Service Equipment |
| 304. Service Address |
| OVERHEAD SERVICES 600 VOLTS OR LESS |
| 305. Service Drop Location |
| 306. Attachment of Service Drop |
| 307. Service Pole Line |
| 308. Service Raceways and Service Entrance Cables |
| 309. Draining Service Raceway |
| 310. Service Entrance Conductors |
| UNDERGROUND SERVICE 600 VOLTS OR LESS |
| 311. Service Laterals |
| 312. Underground Service Connections |
| UNDERGROUND AREAS UNDERGROUND IN OVERHEAD AREAS NETWORK AREAS (Downtown Cincinnati & Parts of Middletown) SERVICES OVER 600 VOLTS |
| 313. General |
| GROUNDING |
| 314. Grounding of the Customer |
| 315. Grounding Electrode Conductor Installation |
| 316. Grounding Conection to A.C. Wiring |
| 317. Grounding of Meter Test-Device Cabinets or Transformer-Rated Meter Sockets to Meter Transformer Cabinets |
| TRANSFORMER/EQUIPMENT INSTALLATIONS |
| 318. Installations on Customer's Premise |
| 319. Transformer Vaults |
| Customer Equipment |
| PDF Format |
| 400. General |
| 401. Metered and Unmetered Wiring |
| 402. Service Entrance Disconnecting Device |
| 403. Standby Generators/Uninterruptible Power Supply |
| 404. Parallel Operation of Customer Generation/Cogeneration |
| MISCELLANEOUS CONNECTED EQUIPMENT |
| 405. General |
| 406. Radio and Television Interference |
| 407. Computers and Other Sensitive Electronic Equipment |
| 408. Auto-Transformers |
| 409. Step-Bus Installation |
| MOTORS AND CONTROLS |
| 410. General |
| 411. 120/240 Volts Single-Phase Service Voltage |
| 412. Three-Phase Service Volts (other than the downtown Cincinnati network system) |
| 413. Three-Phase Four-Wire Voltage (downtown Cincinnati network) |
| 414. Harmonic Current Injections Into Company System |
| Electric Meter Installations |
| PDF Format |
| 500. General |
| 501. Metered and Unmetered Wiring |
| 502. Meter Equipment (600 Volts or Less) |
| 503. Self-Contained Metering Installations |
| 504. Instrument Transformer Metering |
| 505. Meter Locations |
| 506. Arrangement of Meters |
| 507. Information to Appear on the Service Equipment |
| 508. Service Equipment Board Construction & Installation |
| 509. Meters and Connections |
| 510. Metal Cabinets to Enclose Metering Transformers |
| 511. Specifications for Metal Cabinets to Enclose Metering Tranformers for Installations Not Exceeding 600 Volts or 1200 Amps |
| Drawings PDF Format Only |
| 600. Service Drop Clearances |
| 601. Typical Overhead Line Extension |
| 602. Typical Installation Using Pad Mounted Transformer |
| 603. Service Contact Below the Roof Level to Service-Entrance Cable |
| 604. Service Contact Hardware Recommendations (furnished & installed by customer) |
| 605. Service Contacts to a Service Mast |
| 606. 120/240 Volt, Single-phase, Three-wire Metering Outdoor Installation (200 amps maximum with service disconnect indoors) |
| 607. 120/240 Volt, Single-phase, Three-wire Indoor Installation (200 amps maximum) |
| 608. 120/240 Volt, Single-phase, Three-wire Overhead Installation (Greater than 200 amps but not exceeding 320 - 400 amps) |
| 609. 120/240 Volts, Single-phase, Three-wire Installation (greater than 200 amps but not exceeding 320 - 400 amps) |
| 610. 120/240 Volt, Single-phase, Three-wire Indoor Installation (greater than 200 amps but not over 320 - 400 amps) |
| 611. 120/240 Volt Single-phase Metering Pole (320 amp max) |
| 612. 120/240 Volt, Single-phase, Three-wire, Pole-Type Metering Installation (maximum service ampacity of 200 amps) |
| 614. 120/240 Volt, Single-phase, Three-wire, Pole-type Installation (greater than 400 amps but not over 1200 amps) |
| 615. Terminating Underground Service Lateral Conductors (600 volts or less) |
| 616. Terminating Underground Service Lateral Conductor (600 volts or less) |
| 617. 120/240 Volt, Single-phase, Three-wire Underground (not exceeding 200 amperes) |
| 618. 120/240 Volt, Single-phase, Three-wire underground (greater than 200 amperes but not over 400 amperes) |
| 619. 120/240 Volt, Single-phase, Three-wire Indoor Installation (over 320 amps, not over 1200 amps) |
| 620. 120/240 Volt, Single-phase, Three-wire Current Transformer Wiring Diagram (over 400 amperes, not over 1200 amps) |
| 621. 120/240 Volt, Single-phase, Three-wire (typical multiple metering installation) |
| 622. 120/240 Volt, Single-Phase, Three-wire (typical multiple metering installation where main service disconnect is required on supply side of metering equipment) |
| 623. 120/240 Volt, Single-phase, Three-wire (pre-assembled modular multiple metering installation) |
| 624. 208/120* Volt, Single-phase, Three-wire (from three-phase, four-wire system) |
| 625. 208Y/120 Volt or 240/120* Volt, Three-phase, Four-wire Outdoor (not exceeding 200 amps) |
| 626. 208Y/120 Volt or 240/120* Volt, Three-phase, Four-wire Indoor (not exceeding 200 amps) |
| 627. 208Y/120 Volt or 480Y/277 Volt, Three-phase, Four-wire Padmount Metering Serving a Single Customer Only (greater than 200 amps. not over 3000 amps) |
| 628. 208Y/120 Volt, 240/120* Volt & 480Y/277 Volt Three-phase, Four-wire Indoor (greater than 200 amps, not over 1200 amps. Note 240/120 Volt services are limited to 300 amps) |
| 629. 208Y/120 Volt, 240/120* Volt or 480Y/277 Volt, Three-phase, Four-wire Wiring Diagram |
| 630. 208Y/120* Volt, Single-phase, Three-wire Typical Multiple Metering Installation (from three-phase, four-wire system) |
| 631. 208Y/120 Volt or 240/120* Volt, Three-phase, Four-wire Typical Multiple Metering Installation |
| 632. 208Y/120 Volt Three-wire & Four-wire Pre-assembled Modular Metering Installation Where Main Disconnecting Means is Required on Supply Side of Metering Equipment (200 amps max) |
| 633. 208Y/120, 240/120* Volt or 480/277 Volt, Three-phase, Four-wire Pole-Type Metering (not exceeding 1200 amps. Note: 240/120 Volt services cannot exceed 300 amps) |
| 634. Method for Mounting Current Transformers & Metering on the Side of Building |
| 635. Method for Mounting Current Transformers and Metering on a Service Mast |
| 636. Preferred Grounding Configuration When a Building has Metallic Water Pipe Service |
| 637. Support for 120/240V-1Ø or 120/208V-1Ø Three-wire Temporary Service from an Overhead Supply for use during Building Construction (200 amps or smaller) |
| 638. Support for 120/240V or 120/208V-1Ø Single-phase, Three-wire Temporary Service from an Underground Supply for Use During Building Construction (200 amps or smaller) |
| 670. Service Requirements for Single Phase Underground Primary Electric Service from an Overhead Distribution Line |
| 671. Installation Requirements for Single-Phase Padmount Transformer Foundations |
| 672. Service Requirements for Underground Primary Electric Service from an Overhead Distribution Line to Commercial or Industrial Customers |
| 673. Installation Requirements for Three-Phase Padmount Transformer Foundations for Commercial or Industrial Customers |
| 674. Construction Details for Customer Installed Electric Facilities |
| 675. Construction Details for Customer Installed Electric Facilities Padmount Equipment Protection |
| 676. Construction Details for Customer Installed Electric Facilities Underground Services from Poles |
| 677. Customer Installed Precast Concrete Manhole and Lid |
| 678a. Cover Plate Requirements For Padmount Switching Equipment on Precast Concrete Cable Pits |
| 678b. Customer Installed Precast Concrete Cable Pit for Padmounted Switching Equipment (15 kV Class Equipment Only) |
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