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Standard for Electric Installation and Use

Standard for Electric Installation and | 2013 xcel energy Inc. | xcel energy is a registered trademark of xcel energy Inc. | Northern States Power Company-Minnesota, Northern States Power Company-Wisconsin, Public Service Company of Colorado and Southwestern Public Service Company, xcel energy Companies. | 13-03-226 Effective Date April 15, 2015 TABLE OF CONTENTS EXCEPTION REVISION FORM ..6 1. DEFINITIONS ..72. GENERAL INFORMATION .. EFFECTIVE APPLICATION FOR SERVICE ..14 RATE SERVICE AND LIMITATIONS ..16 CLOSED LOOP / FLAT TAP / CUSTOMER-OWNED METER EQUIPMENT RESTRICTIONS.

The Company’s complete Rules and Regulations are contained in its tariffs as filed with the various state regulatory agencies. Service furnished by the Company is subject to the Company’s “Xcel Energy Standard for Electric Installation and Use”, the National Electrical Safety Code, and the Rules and

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Transcription of Standard for Electric Installation and Use

1 Standard for Electric Installation and | 2013 xcel energy Inc. | xcel energy is a registered trademark of xcel energy Inc. | Northern States Power Company-Minnesota, Northern States Power Company-Wisconsin, Public Service Company of Colorado and Southwestern Public Service Company, xcel energy Companies. | 13-03-226 Effective Date April 15, 2015 TABLE OF CONTENTS EXCEPTION REVISION FORM ..6 1. DEFINITIONS ..72. GENERAL INFORMATION .. EFFECTIVE APPLICATION FOR SERVICE ..14 RATE SERVICE AND LIMITATIONS ..16 CLOSED LOOP / FLAT TAP / CUSTOMER-OWNED METER EQUIPMENT RESTRICTIONS.

2 16 DIVERSION OF ELECTRICITY ..17 EASEMENTS FOR COMPANY'S FACILITIES ..17 CUSTOMER'S CUSTOMER-OWNED FACILITIES ..18 xcel energy LIMITED TELEPHONE 3. CHARACTER OF SERVICE TYPES OF METER SOCKETS FOR TYPES OF DISTRIBUTION (PRIMARY) SERVICE ..24 TRANSMISSION 4. SERVICE OVERHEAD SERVICE ..26 UNDERGROUND SERVICE LATERAL SIZES (FOR BALANCED LOAD): ..31 CONDUIT SIZING CHART:..31 TRANSFORMER INSTALLATIONS - NETWORK VAULTS ..32 TRANSFORMER INSTALLATIONS - POINT OF CUSTOMER-OWNED SERVICE CONDUCTORS (NOT APPLICABLE IN WI/MI).

3 34 TEMPORARY PRIMARY METER INSTALLATIONS ..44 METER SOCKETS ..45 METER LOCATION AND Installation ..48 METER MOUNTING HEIGHTS ..50 METER CLEARANCES ..51 1 Effective Date April 15, 2015 COLD SEQUENCE METERING ..52 HOT SEQUENCE 5. SPECIAL FAULT CURRENT ..56 ARC 6. UTILIZATION EQUIPMENT .. THREE-PHASE VOLTAGE POWER FACTOR MOTORS ..67 NON-LINEAR WATER PIPE THAWING ..69 SPECIAL APPARATUS ..70 LOAD 7. SPECIAL TYPES OF NON- Standard CONSTRUCTION ..71 DATA PULSES ..71 8. DISTRIBUTED INTERCONNECTION REQUIREMENTS.

4 72 LABELING/PLACARD METERING REQUIREMENTS ..73 Drawings Section SC: Self-Contained Metering Section TR: Transformer Rated Metering Section PM: Primary Metering Section TM: Temporary Metering Section IR: Interruptible Rate Section CC: Connection Cabinet Section CC: Transformer Pad Section CR: Clearance Requirements Effective Date April 15, 2015 3 INTRODUCTION xcel energy is dedicated to providing safe, economical, and reliable service to its customers. It is the policy of the Company to serve all its customers in an orderly manner and assist in securing a more beneficial use of electricity.

5 The xcel energy Standard for Electric Installation and Use contains the requirements and uniform standards necessary to achieve this policy. Uniform enforcement of these standards throughout the Company will expedite service connections and treat each of our customers equally and fairly. Therefore, our employees are instructed and obligated to require adherence to these standards and procedures. The xcel energy Standard for Electric Installation and Use is a valuable timesaving publication that will help to determine the necessary requirements for customers wiring intended to be connected to the Company s distribution system.

6 This publication will help you work more efficiently and aid in getting a utility connection established with minimum inconvenience. It also provides for the safety and reliability of our customers and safe working conditions for our personnel. The Company s complete Rules and regulations are contained in its tariffs as filed with the various state regulatory agencies. Service furnished by the Company is subject to the Company s xcel energy Standard for Electric Installation and Use , the National Electrical safety Code, and the Rules and regulations of these Regulatory Commissions.

7 xcel energy , Inc. Briston Jones, Manager*System Performance & Standards Effective Date April 15, 2015 4 FOREWORD This publication has been prepared to assist you in planning your electrical Installation . The uniform standards contained in this publication are necessary to enable the Company to serve all its customers in an orderly manner and expedite service connections. New, rewired, altered, or repaired wiring installations intended for connection to the Company s distribution system shall comply with the rules of the Company, the National Electrical Code , and any other codes or regulations in effect in the area served.

8 The Company does not assume the function of inspecting customers wiring for adequacy, safety , or compliance with the electrical codes. Such responsibility remains with the customer and inspectors. Questions concerning large and/or complicated electrical projects should be directed to the Company s Builders Call Line in advance of construction and/or purchase of equipment @ or Meter Technical Support @ This will reduce the risk of project delays or expensive changes during construction. A Company Representative will discuss requests for exceptions to these standards with the customer.

9 Only requests for exceptions based on extenuating circumstances will be evaluated. The exception request shall be submitted in writing in advance of construction and/or purchase or equipment. Exception requests are evaluated on a case-by-case basis and will be responded to in writing. Exceptions will not be granted verbally. The written response will indicate whether the request has been granted or denied. Exceptions shall be submitted to the following: To request an exception to our policy in MN, ND, or SD, please send completed form to:oService Policy Consultant825 Rice StreetSt.

10 Paul, MN 55117 To request an exception to our policy in WI or MI, please send completed form to:oService Policy Box 8 Eau Claire, WI 54702 To request an exception to our policy in CO, TX, or NM, please send completed form to:oService Policy Analyst5460 W. 60th StreetArvada, CO 80003 Customers may email exception requests to Due to constant progress in the development of materials and processes, the Company reserves the right to revise this publication from time to time. Users of this book who notice better processes of providing services are encouraged to submit suggestions and/ or revisions for changes to these standards.


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