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Electric Service Manual for Michigan
The information provided in this manual is in addition to any other regulations which may apply, including various municipal
electric codes and the Michigan Administrative Code. We reserve the right to make revisions in these rules.
For questions on the process of requesting new service please visit our New Service page.
Sections of this Electric Service Manual have been revised as of 7/19/19.
Section | Title | Revision Date |
|---|---|---|
Section 1 | Introduction | 01/2015 |
| 1-1 | Purpose | |
| 1-2 | Territory Maps | |
| 1-3 | Company Phone Numbers and Web Applications | |
Section 2 | 200 Amp and Smaller – Common | 07/2019 |
| 2-0 | General Metering Requirements | |
| 2-1 | Basic Calculations | |
| 2-2 | 100-200 Amp Single-Phase UG | |
| 2-3 | 100-200 Amp Single-Phase UG with Main | |
| 2-4 | 100-200 Amp Single-Phase OH | |
| 2-5 | Temporary Services | |
| 2-6 | Mobile Home Services | |
| 2-7 | 100-400 Amp Three-Phase OH or UG | |
Section 3 | 400 Amp and Larger – Common | 07/2019 |
| 3-1 | 320 Class/400 Amp Single-Phase UG | |
| 3-2 | 320 Class/400 Amp Single Phase UG Pedestal | |
| 3-3 | 320 Class/400 Amp 3-Phase OH | |
| 3-4 | UG CT Cabinets | |
| 3-5 | Space Required to Terminate In Service Entrance Panels & Switchgear | |
| 3-6 | CT’s in Padmounted Transformers | |
| 3-7 | Termination Enclosures | |
| 3-8 | Standard Pad for 75 to 2500 KVA Padmount Transformers | |
| 3-9 | Working Clearances / Protective Posts for Padmount Transformers | |
| 3-10 | Location of Padmounted Transformers Near Buildings | |
| 3-11 | Multiple Metering | |
| 3-12 | Residential Deck Procedure | |
| 3-13 | Maximum Fault Currents | |
| 3-14 | Meter Protection from Snow and Ice | |
Section 4 | Gas Metering | 01/2015 |
| 4-1 | Clearances to Gas Meters | |
Section 5 | Miscellaneous Electric Metering | 01/2015 |
| 5-1 | Residential Customer Wiring | |
| 5-2 | Foundation Penetrations | |
| 5-3 | 120 Volt Meter Socket | |
| 5-4 | Single-Phase 120/208 0-200 Amp, Network Metering | |
| 5-5 | Multiple Metering – Indoor/Outdoor Vertical Clearances | |
| 5-6 | Large CT Installation, Bus Bars – 2500-3000 Amp – Metering in Switchgear | |
| 5-7 | Large CT Installation, Doughnuts – 2500-3000 Amp – Metering in Switchgear | |
| 5-8 | OH Service, CT Metering | |
| 5-9 | Large Concrete Transformer Pad, 3750-5000 KVA | |
| 5-10 | Unmetered Street Lighting Decorations | |
| 5-11 | CATV Power Supplies | |
| 5-12 | Primary Metering | |
| 5-13 | Residential Electric Water Heater Service Entrance – Maintenance Only | |
Section 6 | Electric Service – General | 01/2015 |
| 6-1 | Number of Services and Voltages / Meter | |
| 6-2 | Energy Conversion Factors | |
| 6-3 | Lightning Protection | |
| 6-4 | State Regulatory Agencies | |
Section 7 | Clearances | 01/2015 |
| 7-1 | Basic Electric Clearances – Services | |
| 7-2 | Miscellaneous Clearances | |
| 7-3 | Antenna Clearances | |
Section 8 | Policies and Code | 10/2017 |
| 8-1 | Policies and Regulations – Table of Contents | |
| 8-2 | Company Policies – General | |
| 8-3 | Company Policies – Metering | |
| 8-4 | Company Policies – Utilization of Equipment | |
| 8-5 | State Code Information |
