ELECTRIC SERVICE REQUIREMENTS - Kallin

1 LADWP. CITY OF LOS ANGELES DEPARTMENT OF WATER AND POWER. ELECTRIC SERVICE REQUIREMENTS . 2010 EDITION. NOTICE. This manual is designed to provide you with the most current information on the Los Angeles Department of Water and Power's (Department) SERVICE equipment and installation REQUIREMENTS . Every effort has been made to make this manual as complete and accurate as possible. These SERVICE REQUIREMENTS are subject to periodic revisions. If you have purchased a copy of these REQUIREMENTS from the Department, revisions and updates will be mailed to you at your current address of record. Please use the Change of Address Notification Form to notify the Department of any corrections or changes to your mailing address.

2 Additional or replacement manuals may be ordered by mailing a check or money order for $50 to: Los Angeles Department of Water and Power Attn: Mr. David L. Reusch 2633 Artesian Street Room 210. Los Angeles, California 90031-1805. For additional information or technical assistance regarding these REQUIREMENTS and for administrative inquiries regarding new manuals, replacement manuals or revisions, please contact Mr. D .L. Reusch at telephone number (213) 367-6182 or by e-mail at This manual may also be accessed on line at the Department's website at ELECTRIC SERVICE REQUIREMENTS . LADWP CITY OF LOS ANGELES DEPARTMENT OF WATER AND POWER.

3 PAGE ii CONTENTS Date 01-01-09. PAGE. SECTION 1 GENERAL INFORMATION .. 1-1. This section contains general SERVICE and policy information. SECTION 2 SERVICE AND METERING EQUIPMENT, 0-600 VOLTS .. 2-1. This section contains equipment REQUIREMENTS for wall-mounted metering equipment, SERVICE pedestals and underground supply terminating pull boxes. SECTION 3 LOW-VOLTAGE SWITCHBOARDS, 0-600 VOLTS .. 3-1. This section contains equipment REQUIREMENTS for low-voltage switchboard metering equipment, underground supply terminating pull sections and busway SERVICE heads. SECTION 4 MEDIUM-VOLTAGE SWITCHGEAR, 601-4800 VOLTS.

4 4-1. This section contains REQUIREMENTS for medium-voltage metering equipment and underground supply terminating pull sections. SECTION 5 DESIGN AND INSTALLATION GUIDE FOR. SERVICE AND METERING EQUIPMENT .. 5-1. This section contains specifications to assist customers in designing and installing low-voltage and medium-voltage services . SECTION 6 DESIGN AND INSTALLATION GUIDE FOR ELECTRIC . CONDUIT SYSTEMS ON PRIVATE PROPERTY .. 6-1. This section contains basic specifications to assist customers in designing and installing ELECTRIC conduit systems on the customer's property. SECTION 7 DESIGN AND INSTALLATION GUIDE FOR.

5 OVERHEAD services , 0-600 VOLTS .. 7-1. This section contains specifications to assist customers in designing and installing low-voltage overhead ELECTRIC services . SECTION 8 DESIGN GUIDE FOR CUSTOMER-OWNED. PARALLEL-GENERATING SYSTEMS .. 8-1. This section contains specifications to assist customers in designing self- generating systems intended to operate in parallel with the Department's ELECTRIC distribution system. SECTION 9 INDEX AND GLOSSARY .. 9-1. This section contains an index to assist customers in locating information in this manual , EUSERC/ESR acceptability table and a Glossary of common terms.

6 ELECTRIC SERVICE REQUIREMENTS . LADWP CITY OF LOS ANGELES DEPARTMENT OF WATER AND POWER. PAGE 1-1. GENERAL INFORMATION Date 01-01-07. CONTENTS. PAGE. A. Office Locations and Telephone Assistance 1-4. 1. Engineering Offices .. 1-4. 2. SERVICE Planning Area Boundary Map .. 1-5. 3. Customer SERVICE Branch Offices .. 1-6. 4. Telephone Numbers .. 1-6. B. Planning ELECTRIC services .. 1-8. 1. Initial Contact .. 1-8. 2. Plan Submittals .. 1-8. 3. SERVICE Confirmations and Facilities REQUIREMENTS .. 1-8. 4. Applications for SERVICE .. 1-8. 5. Fees and Charges .. 1-8. 6. Permits and Inspections .. 1-9. 7. Scheduling and Construction.

7 1-9. 8. Project Status and Scheduling Information .. 1-9. 9. Time-Lines for Installation of ELECTRIC services .. 1-10. a. Underground Residential services .. 1-10. b. Overhead Residential services .. 1-11. c. Underground Commercial, Light Industrial, and Large Residential services .. 1-12. d. Overhead Commercial, Light Industrial, and large Residential services .. 1-13. e. services Supplied from Customer Station Installations .. 1-14. f. Temporary services .. 1-15. (1) Temporary services , Overhead .. 1-15. (2) Temporary services , Underground .. 1-16. g. Parallel-Generation Installations .. 1-17. SERVICE Planning Information Form.

8 1-19. C. ELECTRIC Load .. 1-21. 1. General .. 1-21. 2. Changes in Connected Load .. 1-21. 3. Insufficient Load .. 1-21. 4. Load Characteristics Affecting Other Customers .. 1-21. 5. Single-Phase Motors .. 1-21. 6. Three-Phase Motors .. 1-21. 7. Lighting .. 1-22. 8. Heating, Cooking, and Miscellaneous Loads .. 1-22. 9. X-Rays Units over 5 Kva .. 1-22. 10. Welders .. 1-22. 11. Special Equipment .. 1-23. D. Inspections .. 1-24. 1. General .. 1-24. 2. Scheduling Inspections .. 1-24. 3. Special Inspections .. 1-24. E. SERVICE Voltages .. 1-25. 1. Character of SERVICE .. 1-25. 2. SERVICE Supply Voltages.

9 1-25. 3. Acceptable Voltage Ranges .. 1-26. ELECTRIC SERVICE REQUIREMENTS . PAGE 1-2. CITY OF LOS ANGELES DEPARTMENT OF WATER AND POWER LADWP. Date: 01-01-08 GENERAL INFORMATION. CONTENTS (Cont.). PAGE. F. Classes of SERVICE .. 1-27. G. Short-Circuit Current and Over-Current Protection .. 1-28. H. Temporary services .. 1-29. 1. Application Fees and Charges .. 1-29. 2. Permits and Approvals .. 1-29. 3. Time Limitations .. 1-29. 4. Removal of SERVICE .. 1-29. 5. Installation REQUIREMENTS .. 1-30. I. Flat Connected services .. 1-31. 1. General .. 1-31. 2. Emergency Flat services .. 1-31. 3. Building or SERVICE Alterations.

10 1-31. J. Customer-Owned Generators .. 1-32. A. Emergency or Stand-by Generators .. 1-32. B. Customer-owned Parallel Generation Systems .. 1-32. K. Transformer Installations on the Customer's Premises .. 1-34. 1. General .. 1-34. 2. Transformer Installations .. 1-34. a. Pole-Mounted Transformer Installations .. 1-34. b. Padmount Transformer Installations .. 1-35. c. Underground Vault Transformer Installations .. 1-35. d. Outdoor Transformer Installations .. 1-35. e. Indoor Transformer Installations .. 1-35. 3. Standard Installations .. 1-36. 4. Charges for Nonstandard Installations .. 1-36. 5. Access and Clearances.