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.

2 Please use the Change of Address Notification Form to notify the Department of any corrections or changes to your mailing address. 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 .

3 LADWP CITY OF LOS ANGELES DEPARTMENT OF WATER AND POWER. 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.

4 SECTION 4 MEDIUM-VOLTAGE SWITCHGEAR, 601-4800 VOLTS .. 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.

5 SECTION 7 DESIGN AND INSTALLATION GUIDE FOR. 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.

7 1-9. 7. Scheduling and Construction .. 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.

8 1-16. g. Parallel-Generation Installations .. 1-17. SERVICE Planning Information Form .. 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.

9 1-24. E. SERVICE Voltages .. 1-25. 1. Character of SERVICE .. 1-25. 2. SERVICE Supply Voltages .. 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 .

10 1-30. I. Flat Connected services .. 1-31. 1. General .. 1-31. 2. Emergency Flat services .. 1-31. 3. Building or SERVICE Alterations .. 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.