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Before you start your next construction project, make sure your site is equipped with safe, reliable power. From breaking ground to cutting ribbons, our safety guidelines, project requirements, energy efficiency tips and more will help set your project up for success.
Construction Resources: Lay the Groundwork Before You Build
Voltage & As-Built Requirements
The following resources will help you find answers to many of your energy-related questions during your upcoming project. Download these guides to learn more about arc flash calculations and as-built requirements.
• Download Arc Flash Calculations: For commercial and industrial installations with voltage levels of 600 or less; provides support for electrical contractors when performing arc flash calculations on proposed installed equipment.
• Download As-Built Requirements: For projects surveyed by a private company; outlines requirements to finalize APS design and installation.
• Download Arc Flash Calculations: For commercial and industrial installations with voltage levels of 600 or less; provides support for electrical contractors when performing arc flash calculations on proposed installed equipment.
• Download As-Built Requirements: For projects surveyed by a private company; outlines requirements to finalize APS design and installation.
Electric Service Requirements Manual
To help your project comply with APS energy guidelines, download our full Electric Service Requirements Manual or browse requirements by category:
• ESRM Front Section
• 100 - General Information
• 200 - Application for Service
• 300 - Metering Installation
• 400 - Overhead Service
• 500 - Underground Service
• 600 - Trenching
• 700 - Grounding and Bonding
• 800 - Short Circuit Protection
• 900 - Irrigation Pumping
• 1000 - High-Voltage Metering/Service
• 1100 - Manufacturing
• 1200 - Special Applications
• 1300 - High-Rise Metering & Equipment
• 1400 - Clearances
You can also view recent revisions to the ESRM and pre-approved lists:
• Current Revisions
• Pre-Approved Residential Manufacturer List
• Pre-Approved Commercial SC Panel List
• CT Rated Pre-Approved Panelboard List
• ESRM Front Section
• 100 - General Information
• 200 - Application for Service
• 300 - Metering Installation
• 400 - Overhead Service
• 500 - Underground Service
• 600 - Trenching
• 700 - Grounding and Bonding
• 800 - Short Circuit Protection
• 900 - Irrigation Pumping
• 1000 - High-Voltage Metering/Service
• 1100 - Manufacturing
• 1200 - Special Applications
• 1300 - High-Rise Metering & Equipment
• 1400 - Clearances
You can also view recent revisions to the ESRM and pre-approved lists:
• Current Revisions
• Pre-Approved Residential Manufacturer List
• Pre-Approved Commercial SC Panel List
• CT Rated Pre-Approved Panelboard List
Equipment Clearance Requirements
Download the resources below to ensure your project meets our equipment clearance and distance safety requirements.
• Equipment Clearance
• Meter-Panel Clearances
• Equipment Clearance
• Meter-Panel Clearances
Extended Power Charges
Download these service schedules to learn how to extend your power.
• Service Schedule 1: Outlines the terms and conditions authorized by law for the standard-offer and direct-access services made available by APS.
• Service Schedule 3: Defines the process of how APS extends power to new customers.
Industry-Wide References
Check out these industry-leading websites for additional information about construction best practices.
• National Electric Code (NEC)
• National Electric Safety Code (NESC)
• International Association of Electrical Inspectors, Central Arizona Chapter (IAEI)
• Independent Electrical Contractors Association (IEC)
• National Electrical Contractors Associations (NECA)
• UL Standards (UL)
• Electric Utility Service Equipment Requirements Committee (EUSERC)
• National Electric Code (NEC)
• National Electric Safety Code (NESC)
• International Association of Electrical Inspectors, Central Arizona Chapter (IAEI)
• Independent Electrical Contractors Association (IEC)
• National Electrical Contractors Associations (NECA)
• UL Standards (UL)
• Electric Utility Service Equipment Requirements Committee (EUSERC)
Managing Supply Chain Challenges
Global supply chain issues have led to some shortages of key equipment. Read how we’re addressing these challenges and find answers to frequently asked inventory questions.
View FAQs
Your Next Big Project Starts Here
Whether you’re a home builder or a contractor working on commercial, industrial or government construction, our step-by-step tools and resources will help you get your project started on the right foot.
Service Line & Meter Installation Status
Check the status of your service line or meter installation request with our convenient online tool.
Customer Construction Contacts
If you need further assistance, our Construction Contacts map will help connect you with a local project representative who can answer your questions.
Additional Construction Resources
Construction Safety
Find electrical safety tips for everything from overhead power lines to heavy equipment to keep you and your team protected on site.
Energy Star™ Homes Program for Builders
Join our partnering program with Energy Star to enhance your project’s market share, financial incentives and curb appeal.
Outdoor Lighting Program
Apply for our Dusk to Dawn lighting program, which provides streetlights and other outdoor lighting equipment to private property owners.
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