Electrical Service Standards

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Welcome to North Little Rock Electric’s Electrical Service Standards. The standards are broken up into their individual sections and are listed below.

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Electrical Service Standard Sections

• Section 1 – Foreword and Terms
  • 1.1 Purpose
  • 1.2 Service Contracts, Rate Schedules, and Contact Information
  • 1.3 Service Standards Availability and Revisions
  • 1.4 General Terms Used in Service Standards
  • 1.5 Electrical Terms Used In Service Standards
  • 1.6 Enforcement
• Section 2 – General Information
  • 2.1 Safety
  • 2.2 Code Requirements
  • 2.3 Inspections and Approvals
  • 2.4 Distance Requirements for Customer Structures
  • 2.5 Attachments to Department Poles
  • 2.6 Additional Department Documents and Standards
• Section 3 – Signing Up For Electric Service
  • 3.1 Application for Service
  • 3.2 Pre-Installation Information
  • 3.3 Existing Residential Service
  • 3.4 New Residential Service or Residential Overhead Service to Underground Conversion
  • 3.5 New Commercial or Industrial Service or Service Retrofit
• Section 4 – Interconnection and Distributed Generation
  • 4.1 Residential Generation (Less than 25 kW)
  • 4.2 Commercial or Industrial Generation
    • 4.2.1 Small Generation Facilities (Less than 300kW)
    • 4.2.2 Large Generation Facilities (More than 300kW up to 10MW)
  • 4.3 Connection of Backup Generation
• Section 5 – Types of Service
  • 5.1 General Characteristics
  • 5.2 Generally Available Types of Service
  • 5.3 Load Sheet
  • 5.4 Availability of Three Phase Service
  • 5.5 Facilities for Highly Fluctuating or Special Loads
  • 5.6 Temporary Service
  • 5.7 Specialty Permanent Service
    • 5.7.1 Services for Mobile Home Parks, Trailer Parks, and Individually Located Mobile Homes
    • 5.7.2 Central Service Poles/Load Center Distribution Pole For A Farmstead
    • 5.7.3 Apartment Building Service
    • 5.7.4 Vertical Distribution System
    • 5.7.5 Service to Marinas and Boat Docks
• Section 6 – Services Introduction
  • 6.1 General Comments
  • 6.2 Easement for Service Facilities
  • 6.3 Initial Clearing of Property for Right-of-Way
  • 6.4 Relocation of Department’s Facilities
• Section 7 – Overhead Service
  • 7.1 General Comments
  • 7.2 Ownership of Facilities
  • 7.3 Point of Attachment
  • 7.4 Clearances
  • 7.5 Length of Service Drop
  • 7.6 Method of Attachment
  • 7.7 Extension of Overhead Distribution Facilities
  • 7.8 480 Volt Metered Service
• Section 8 – Underground Service and Installations
  • 8.1 General Comments
  • 8.2 Ownership of Facilities – Residential
  • 8.3 Ownership of Facilities – Commercial and Industrial
  • 8.4 Agreement for Underground Service
  • 8.5 Specification Requirements
  • 8.6 Requirements for Obtaining Underground Residential Service
    • 8.6.1 General Comments
    • 8.6.2 Underground Electric Service for New Residential Subdivisions
    • 8.6.3 Underground Service From An Underground Distribution System
    • 8.6.4 Underground Service From Overhead Distribution System
    • 8.6.5 Underground Service Replacing Existing Overhead Service
  • 8.7 Requirements for Commercial, Industrial, and Other Non-Residential Underground Service
    • 8.7.1 Underground Service From Underground Systems
    • 8.7.2 Underground Secondary Service From Overhead Systems
  • 8.8 Underground Electric Service for Mobile Home Parks
  • 8.9 Conduit
    • 8.9.1 General Comments
    • 8.9.2 Installation of Conduit
    • 8.9.3 Types of Conduit
    • 8.9.4 Spare Conduits
  • 8.10 Conductors
    • 8.10.1 General Comments
    • 8.10.2 Conductors Used in Underground Residential Installations
    • 8.10.3 Conductors Used in Underground Non-Residential Installations
  • 8.11 Termination of Conductors
    • 8.11.1 General Comments
    • 8.11.2 Termination in Pad Mount Transformers
  • 8.12 Metering for Underground Service
  • 8.13 Transformers Used in Underground Installations
    • 8.13.1 General Comments
    • 8.13.2 Transformer Pads or Slabs
• Section 9 Transformers, Vaults & Substations
  • 9.1 General Comments
  • 9.2 Fences, Screen Walls, Decorative Walls
  • 9.3 Types of Transformer Installations
  • 9.4 Pad mount Transformers
  • 9.5 Termination of Secondary Conductors to Transformers For Non-Residential Services
• Section 10 Metering Installations and Equipment
  • 10.1 General Comments
  • 10.2 Meter Connections & Seals
  • 10.3 Meter Clearance
  • 10.4 Outdoor Meters
  • 10.5 Location of Meter Installations
  • 10.6 Grouping Of Meters
  • 10.7 Meter Mounting Height
  • 10.8 Types of Meter Installations
    • 10.8.1 Self-contained Metering Installations
    • 10.8.2 Instrument Transformer Installation
    • 10.8.3 Totalized Metering
  • 10.9 Primary Metering Installations
  • 10.10 Meter Grounding
• Section 11 Customer’s Service Installation
  • 11.1 General Comments
  • 11.2 Inspection and Approvals
  • 11.3 Meter Requirements
  • 11.4 Service Entrance Conductors
  • 11.5 Grounding of Service Entrances
  • 11.6 Service Entrance from Overhead System
    • 11.6.1 General Comments
    • 11.6.2 Service Entrance Masts
  • 11.7 Service Entrance from Underground Distribution System
  • 11.8 Service Disconnecting Means
    • 11.8.1 Disconnecting Means for Services Less than 600 Volts
    • 11.8.2 Disconnecting Means for Services Over 600 Volts
  • 11.9 Isolation Switches for Services Over 600 Volts
• Section 12 Customer’s Electrical Equipment
  • 12.1 General Comments
  • 12.2 Radio and Television Interference
  • 12.3 Electrical Heating
  • 12.4 Motor – Voltage Rating
  • 12.5 Motor Starting
    • 12.5.1 General Comments
    • 12.5.2 Single Phase Motors
    • 12.5.3 Three Phase Motors
    • 12.5.4 Motor Starting and Control Equipment
  • 12.6 Critical Service Motor Operation
  • 12.7 Motor Protection
    • 12.7.1 Phase Reversal Protection
    • 12.7.2 Over Current Protection
    • 12.7.3 Partial or Complete Loss of One or More Phases
• Section 13 Customer’s Special Equipment
  • 13.1 General Comments
  • 13.2 Additional Electric Facilities
  • 13.3 Radio and Television Antennae
  • 13.4 CATV and Carrier Installations
  • 13.5 Electric Welders and Furnaces
  • 13.6 Radio and Television Transmitters, X-ray, Diathermy, and High Frequency Heating Equipment
  • 13.7 Customer’s Capacitors and Other Reactive Equipment
  • 13.8 Emergency Standby Generators
    • 13.8.1 General Comments
    • 13.8.2 Parallel Operation of the Customer’s Generation
  • 13.9 Converters – Operation of Three Phase Motors from Single Phase Electric Supply
  • 13.10 Dual Feeders and Load Transfer Equipment
• Section 14 Customer’s Service Obligations and Protection
  • 14.1 Lighting and Other Surge Protection
  • 14.2 Public Sign Clearance
  • 14.3 Working in Close Proximity to the Department’s Facilities
  • 14.4 Attachments to Department Poles