Search codes, view standards, track updates
Reference provides NEC compliance information. Search by market vertical, product number, or article number. Review from three perspectives. Identify and access data for electrical professionals.
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Harrison Holzhauer
Track games, systems, and accessories
Track games, systems, accessories, guides, and amiibo across 100+ platforms. Manage collections with a community-driven database. View item values, compare prices, and make trades. Set reminders and organize inventory by category.
Memphis Light, Gas and Water Division
Pay bills, transfer service, manage account online
Manage utility accounts by paying bills, stopping or transferring service, setting payment plans, or enabling paperless options. Sign up with an email, 16-digit account number, and access code from the bill.
Copeland LP
Access product specs and details anytime
Access product specifications for air conditioning and refrigeration equipment. Search by model number, view detailed technical data, and download documentation. Login with existing OPI credentials or create a new account.
Chuan Nguyen Van
Access wiring diagrams and technical docs
Access electrical wiring diagrams for car repair and study. View videos and technical documents for research. Update diagrams regularly for accurate information. Navigate through a library of resources with simple clicks.
Zachary Fisher
Calculate, estimate, and invoice jobs
Manage electrical jobs with time tracking and job invitations. Access NEC calculators for conduit fill, voltage drop, and motor calculations. Use NEC tables for code-compliant installations. View common schematics and generate estimates and invoices.
IDB LLC
Find zip codes and area codes
Find zip codes for current locations or search by city name. Look up area codes based on zip codes. Switch between and area lookup modes. Share results via copy or email.
Leviton Manufacturing Co. Inc.
Search and access lighting control info
Access lighting control guidelines for new and retrofit projects. Search by application, article, or language. View diagrams and summaries of compliance requirements. Find recommended solutions and examples of common applications.
ecoInsight, Inc.
Audit lighting systems
Create and manage audit reports with one-click data entry and auto-populating fields. Assign intelligent controls, capture field-specific details, and generate detailed audit data for ESCOs and contractors. Export and share reports directly.
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