Please select the Colorado license/exam that you are interested in purchasing reference books for.
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2021 International Residential Code
$212.99View Product- The 2021 International Residential Code (IRC) provides comprehensive regulations for the design, construction, and inspection of one- and two-family dwellings and townhouses up to three stories. It encompasses all aspects of residential construction, including building, plumbing, mechanical, fuel gas, and electrical systems. The 2021 edition introduces several significant updates and clarifications to enhance safety, efficiency, and adaptability in residential buildings.
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2021 International Plumbing Code (International Code Council Series) 1st Edition
$131.99View Product- The 2021 International Plumbing Code (IPC) provides comprehensive regulations for the design, installation, and inspection of plumbing systems in buildings. It aims to safeguard public health, safety, and welfare by ensuring sanitary and efficient plumbing practices.
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Redi-Tag Permanent Tabs – 375 Blank Tabs
$44.99View ProductRedi-Tag permanent tabs are self-sticking and you can print on your laser printer in minutes or write directly on them. Made of heavy duty, durable plastic that won’t tear of curl. Input and format text using Windows® versions of Microsoft® Word and WordPerfect®. Actual size of tab 1-1/8″ x 1-1/4″. 100 tabs per pack.
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Colorado Electrical Online Exam Prep Course Only
$296.99View ProductThe Colorado Electrical Exam Prep course covers circuits, pathways, wiring, definitions, transformers, load conditions, voltage ratios, grounding, fuse and breakers, metal tubing, conduit, motors, generators and more. Highlighting guides, practice quizzes, math and calculations, study tips, licensing information, and instructor support are included. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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NFPA 70, National Electrical Code (NEC) Tabs, 2026 Edition
$32.99View ProductThese tabs are pre-printed and permanent.
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NFPA 70 National Electrical Code – 2026 (Paperback)
$208.99View ProductThe code you—and the world—depend on to keep pace with ever-evolving electrical hazards and challenges. NFPA 70, National Electrical Code (NEC), is the authoritative document addressing electrical installations in residential, commercial, and industrial settings. The NEC is revised every three years to stay in sync with industry practices, emerging trends, and the development and introduction of technologies to provide comprehensive rules for designers, installers, inspectors, engineers, electricians, and anyone else who works in the electrical industry. The code is organized for ease of use.
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Colorado (Denver) Refrigeration Operator Online Exam Prep Complete Package
$893.95View ProductThe Colorado (Denver) Refrigeration Operator Exam Prep Complete Package includes all references, tabs for those references used during the exam and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
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Colorado Electrical Online Exam Prep Complete Package
$538.97View ProductThe Colorado Electrical Exam Prep complete package includes the Colorado Electrical Exam Prep which covers circuits, pathways, wiring, definitions, transformers, load conditions, voltage ratios, grounding, fuse and breakers, metal tubing, conduit, motors, generators and more. Highlighting guides, practice quizzes, math and calculations, study tips, licensing information, and instructor support are included. The package also includes the references to be used during the exam.
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Colorado Plumbing Tab Pack
$21.99View ProductPERMANENT TABS PACKAGE – This package includes permanent tabs for the following reference books:
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Colorado Plumbing Online Exam Prep Complete Package
$663.96View ProductThe Colorado Plumbing Exam Prep Complete Package includes all references used during the exam, pre-printed tabs for all references used during the exam and 365 days access to our online exam prep course. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.
