Electric Service Requirements (ESR)
Standards for materials and construction.
The information contained on this page comprises the Electric Standards Requirements book distributed by TEP as a reference and a guide for regulations and practices regarding the connection and supply of electric service.
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Download the annual print-version ESR book.
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Summary of Revisions – 2018
Additions and Revisions – Monthly
Standards
General Information – 100
| Number | Title |
|---|---|
| 100 | Title Blocks and Logos |
| 1.01 | Important Telephones and Numbers |
| 1.01 | New Construction Offices |
| 1.01 | Customer Service |
| 1.01A | UES-Nogales Contact Numbers |
| 1.01A | UES New Construction Offices |
| 1.01A | UES Nogales Customer Service |
| 102 | Definitions |
Application for Service
| Number | Title |
|---|---|
| 1.04-1.05 | Type of Service & Limitations |
| 1.06 | Preliminary Notification |
| 1.06 | Obtaining Information |
| 1.06 | Removal of Facilities |
| 1.06 | Service Scheduling |
| 1.07 | Government Contacts |
| 1.13 | Residential/Commercial New Construction Application |
| 1.13A | Service Removal Request |
| 1.14 | Answers to Commonly Asked Questions |
| 1.15 | Outline for Project Completion - Residential |
| 1.16 | Outline for Project Completion - Commercial |
Customer Information
| Number | Title |
|---|---|
| 1.17 | Codes and Regulations |
| 1.17 | Customer Installations |
| 1.17 | Access to Premises |
| 1.17 | Employee Identification |
| 1.18 | Employee Compensation |
| 1.18 | Tampering |
| 1.18 | Protection of TEP Property |
| 1.18 | Design of Customer's Equipment |
| 1.19 | Interruptions |
| 1.19 | Defaults |
| 1.19 | One Call/Access |
Customer Installation
| Number | Title |
|---|---|
| 1.24 | Unmetered Energy |
| 1.24 | Resale of Energy |
| 1.24 | Attachments to TEP Facilities |
| 1.24 | Access to Pad Mounted Equipment |
| 1.24 | Trimming Trees |
Misc. Requirements
| Number | Title |
|---|---|
| 1.25 | Right-of-Way |
| 1.25 | Prior to Excavation |
| 1.25 | High-Voltage Power Lines and Safety Restrictions |
| 1.25 | Damage to TEP Facilities |
| 1.25 | Grade Changes |
| 1.25 | Relocation of Electric Facilities |
| 1.25 | Power Outage Request |
| 1.26 | Requirements for Legal Description, Exhibit Drawing and Electronic File for Easement |
Civil Installations– 200
Line Extensions – General
| Number | Title |
|---|---|
| 2.01 | Overhead and Underground Line Extensions |
| 2.02 | High Density Development Designs |
| 2.02 | Additional Charges |
| 2.03 | New Subdivisions — Provisions for Service |
| 2.03 | Ducts for Road Crossing |
Single-Phase Underground Line Extensions
| Number | Title |
|---|---|
| 2.04 | Requirements |
Three-Phase Underground Line Extensions
| Number | Title |
|---|---|
| 2.04 | Requirements |
| 205 | Duct and Concrete Installation |
| 207 | Trench, Backfill |
| 208 | Site Preparation for Equipment Pads on Sloping Grades |
| 209 | Watch VideoTrenching, Underground Residential Distribution (URD) |
| 210 | Sleeve Installation |
| 212 | Trench and Duct Encasement, Drainageway Crossings |
| 215 | Trenching 2.5-inch, 4-inch, and 6-inch Duct Installation |
| 218 | Duct Stub Detail |
| 220 | Underground Riser, Customer Installed |
| 225 | Distribution Pullbox with Manhole |
| 226 | Pullbox 15 kV with Lid (Reference Only) |
| 230 | Equipment Barrier, Protective |
| 232 | Excavation and Duct Placement for 3Ø Fused Junction Cabinet (F2) |
| 233 | Transformer Pad Underground 3Ø |
| 234 | Excavation and Duct Placement for 3Ø Junction Cabinet (J2) |
| 235 | Excavation and Duct Plasement for 1Ø Junction Cabinet (J1) |
| 240 | Box Pad Installation |
| 241 | Capacitor Installation |
| 242 | Gas Insulated Switch Installation |
Service Installations – 300
| Number | Title |
|---|---|
| 301 | Load Balancing |
| 301 | Typical Service Entrances |
| 301 | Socket Wiring |
Electric Service Lines
| Number | Title |
|---|---|
| 301 | Overhead Service Lines |
| 301 | Underground Service Lines |
| 301 | Service Trenches |
| 304 | Overhead or Underground Service and Meter Location |
| 305 | Service Entrance with Conduit Riser Overhead |
| 307 | Service Entrance on a Pole |
| 308 | Single-Phase 401A-600A, Three-phase Underground Service from Overhead, 600A |
| 308A | Single-phase Underground Service from Overhead, 0-400A |
| 309 | Three-phase Underground Service from Pad-mounted Transformer |
| 310 | Service Entrance Underground |
| 312 | Trenching, Service Single-phaseWatch Video |
| 314 | Service Entrance Temporary, Underground |
Metering Installations – 400
| Number | Title |
|---|---|
| 405 | General RequirementsWatch Video |
| Definitions | |
| Requirements for Residential Socket Interiors | |
| Meter Enclosures and Clear Working Space | |
| 408 | Residential or Commercial (Restricted) Service 0-100A, 3W, 1Ø, Overhead and 0-30A, 2W, 1Ø Overhead or Underground |
| Residential Overhead Service, 3W, 1Ø, 101-200A | |
| Residential Underground Service, 3W, 1Ø, 0-200A | |
| Residential Service, 3W, 1Ø, 0-200A Combination Meter Socket and Distribution Section | |
| Meter Post - Underground Service to Mobile Home | |
| 409 | Non-residential Service Pedestal (including Traffic Signals) 0-200A/0-600V |
| 410 | Commercial Service, 3W or 4W, 1Ø and 3Ø, 0-200A |
| 412 | Watch VideoResidential or Commercial Service, 3W, 1Ø, 201-400A |
| 414 | Socket Requirements - 1Ø w/Instrument Transformers |
| 414 | Socket Requirements - 3Ø w/Instrument Transformers |
| 418 | Residential and Commercial Multi-Metering Installations |
| 420 | Meter Protective Cabinets |
| 422 | Current Transformer Installations in Cabinets |
| 423 | Meter Socket and Conduit Installation Detail for Primary Metered Service |
| 424 | Remote Meter Cabinet for primary metered service, 201 - 800A |
| 425 | Terminating Box or Section |
| 426 | Combination Terminating Box and Main Disconnect |
| 430 | Current Transformer Installations in Switchgear |
| 431 | Metering Remote |
| 432 | Low Profile Switchboards |
| 433 | CT Compartment, 401-800A, 1Ø |
| 434 | CT Compartment, 201-1000A, 3Ø |
| 435 | CT Compartment, 1001-3000A, 3Ø |
| 436 | CT Compartment, 3001A-4000A, 3Ø |
| 437 | Enclosed Meter Panel in Raintight Switchgear |
| 438 | Switchboard Meter Panels |
| 439 | Removable Bus Links and CT Supports |
| 451 | Primary Metering Overhead and Underground |
| 452 | Approved Metering and Service Equipment |
Short Circuit Protection – 500
| Number | Title |
|---|---|
| 510 | Short Circuit Protection |
Grounding and Bonding– 600
| Number | Title |
|---|---|
| 600 | General Information, Introduction, NFPA 70 NEC, Grounding, Bonding (Unfused Areas) |
| 601 | Minimum Size of Bonding/Equipment Grounding/Grounding Electrode Conductors and Grounding Bus |
| 602 | Concrete Encased Electrode (Ufer Ground) |
| 603 | Single Phase Meter Pedestal |
| 604 | Single Phase Overhead Residential Service (Meter Socket and Load Center) |
| 605 | Single Phase Overhead or Underground Service (All in One) |
| 606 | Single Phase Overhead or Underground (Multi-Pak Service) |
| 607 | Single or Three Phase Overhead Service(Meter Socket and Disconnects) |
| 608 | Three-Phase Service Overhead or Underground (Pull Section, Raceway and Sockets) |
| 609 | Transformer Rated Service With CT CAN Overhead or Underground |
| 610 | Transformer Rated Service Switchgear Overhead or Underground |
Customer Technologies - 700
| Number | Title |
|---|---|
| 701 | Installation and Operation of Interconnected Distributed Generation Sources (Including Emergency and Standby Systems) |
| 702 | Electric Service Requirements For Small Interconnected Distributed Generation Sources |
| 703 | Electric Service Requirements For Medium-Sized Commercial Interconnected Distributed Generation Sources |
Telecommunication, Wireless & Cable TV Attachments - 800
| Number | Title |
|---|---|
| 801 | General Attachment Specifications |
| 802 | Pole Mounted Small Cell Equipment |
| 803 | Stranded Mounted Small Cell Equipment |
| 805 | Riser Details, Telco/CATV |
GIS Drawing Legend
| Number | Title |
|---|---|
| LEGEND | Overhead/Underground Mapping Legend |
Distributed Generation Interconnection Requirements (DGIRs)
View and download the DGIRs.