Electric Service Handbook

Dakota Electric Association publishes the Electric Service Handbook to improve communication between our members, contractors, architects and engineers to ensure quick, safe and accurate completion of projects.

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1.1  Safety

While we provide key information and available options, it remains your responsibility to know, understand and conform to applicable building codes and requirements. Although the Electric Service Handbook has reprinted some National Electric Code information with permission from NFPA 70, the complete National Electric Code contains significantly more information than we can include. Some of the National Electric Code requirements not included in this booklet may impact the safety and reliability of the electrical installation if not followed.

1.2  Call Before You Dig

Many of Dakota Electric’s power lines are buried underground, and an underground power line can be just as dangerous as an overhead power line. Protect yourself and your property by contacting Gopher State One Call (GSOC) before digging.

1.3  Inspections

All new services and existing service alterations must be inspected and approved by the proper authorities. View local electrical inspectors.

2.1 New Service Installation Process

2.1.1  Line Extension Policy — General Information

2.1.2  Residential Line Extension Policy

2.1.3  Commercial Line Extension Policy

2.2  Residential Services

2.2.1  General

2.2.2  Overhead Services

2.2.3  Underground Services

2.3  Residential Developments

2.4  Commercial Services

2.4.1  Commercial Service Requirements

2.5  Temporary Services

2.6  Technical Information

2.6.1  Overhead Clearances

2.6.2  Transformer Location Requirements

2.6.3  Distribution Transformer Mineral Oil Information

2.6.4  Arc Flash & Fault Currents

2.6.5  Flicker & Motor Starting

2.6.6  Available Electrical Services

2.6.7  Bollard Specification

2.6.8  Glossary

2.6.9  Codes and References

3.1 General

3.1.1  Meter Location & Accessibility

3.1.2  Meter Socket Requirements

3.2  Residential Metering

3.3  Multi-Family Dwelling Metering

3.4  Commercial Metering

3.4.1  Transformer Rated Metering

3.4.2  Cold Sequenced Metering

3.4.3  Primary Metering

3.5  Technical Information

3.5.1  Glossary

3.5.2  Codes and References

3.5.3  Diagrams

3.5.3.1  Single Phase 120/240V Meter Connection Diagram — 2S

3.5.3.2  Single Phase 120/208V Meter Connection Diagram — 12S

3.5.3.3  Three Phase 120/208 Meter Connection Diagram — 9S

3.5.3.4  Three Phase 277/480 Meter Connection Diagram — 9S

4.1 General Information

4.2  Portable Emergency or Standby Backup Generators

4.3  Distributed Energy Resource (DER) Installations

4.4  Small Renewable Energy Installations

5.1  General Information

5.2  Installations without Sub-Metering

5.3  Sub-Metered Installations without Current Transformers

5.4  Sub-Metered Installations with Current Transformers

5.5  Miscellaneous Guide Drawings