{"product_id":"missouri-nascla-master-unlimited-electrical-contractor-exam-book-package-1","title":"Missouri NASCLA Master Unlimited Electrical Contractor Exam Book Package","description":"\u003ch1 style=\"color: #d32f2f;\"\u003eMissouri NASCLA Master Unlimited Electrical Contractor Exam Book Package\u003c\/h1\u003e\n\u003cp\u003eGet the approved open-book reference set used for the \u003cstrong\u003eNASCLA-Accredited Trade Examination for Electrical Contractor (Master Electrician\/Unlimited Electrician)\u003c\/strong\u003e administered for Missouri through PSI on behalf of the Missouri Office of Statewide Electrical Contractors (OSEC). This book package is built for one purpose: helping you prepare the way the exam is actually taken—by practicing fast lookups, code navigation, and accurate verification inside the same references allowed in the testing center.\u003c\/p\u003e\n\u003cp\u003eOn a timed, open-book electrical contractor exam, many candidates already understand the trade but lose points because they can’t find the exact section quickly, miss an exception, or overlook a table note that changes the requirement. This package supports the exam skill that matters most: \u003cstrong\u003eefficient reference navigation\u003c\/strong\u003e—especially in the NEC—so you can answer confidently and keep a steady pace.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBook-only package:\u003c\/strong\u003e This product is \u003cstrong\u003ejust the books\u003c\/strong\u003e listed below (no course access and no add-on services unless stated elsewhere). It’s ideal for candidates who already have a study plan and want the correct, exam-approved references in hand.\u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eState program:\u003c\/strong\u003e Missouri Division of Professional Registration – Office of Statewide Electrical Contractors (OSEC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExam administrator:\u003c\/strong\u003e PSI Services LLC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExam:\u003c\/strong\u003e NASCLA-Accredited Trade Examination for Electrical Contractor (Master\/Unlimited)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExam fee (paid to PSI):\u003c\/strong\u003e $125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of questions:\u003c\/strong\u003e 100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime limit:\u003c\/strong\u003e 270 minutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassing requirement:\u003c\/strong\u003e 75 correct answers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalculator:\u003c\/strong\u003e Silent, nonprinting, non-programmable calculator permitted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting center materials:\u003c\/strong\u003e A physical diagram\/blueprint packet is handed out onsite at the testing center\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese details are published in PSI’s Missouri OSEC Candidate Information Bulletin for the NASCLA examination program. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eOpen Book Test\u003c\/h2\u003e\n\u003cp\u003eThis examination is verified as an \u003cstrong\u003eOPEN BOOK\u003c\/strong\u003e test. PSI states that the reference materials listed for this exam are allowed in the examination center, and that code questions are based only on the listed code-book editions. \u003c\/p\u003e\n\u003cp\u003eOpen-book exams reward candidates who can do three things consistently:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecognize the topic quickly\u003c\/strong\u003e (what reference controls the question).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNavigate efficiently\u003c\/strong\u003e (index\/table of contents → section → exception\/table\/note).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify details\u003c\/strong\u003e (exceptions, table notes, conditions, and definitions before committing to an answer).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequest an application:\u003c\/strong\u003e Request an application and instructions from the Missouri Office of Statewide Electrical Contractors (OSEC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmit your application to OSEC:\u003c\/strong\u003e Complete the application and return it to OSEC. Missouri determines your eligibility for a license.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceive approval to test:\u003c\/strong\u003e Once approved, you will receive a notification with instructions on how to pay and schedule the examination. PSI is also notified of your approval.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePay and schedule with PSI:\u003c\/strong\u003e After approval, pay the PSI exam fee and schedule your computer-based exam appointment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTake the exam:\u003c\/strong\u003e Sit for the NASCLA Electrical Contractor (Master\/Unlimited) examination at a PSI testing center using the approved open-book references.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThese steps and the two-year eligibility window after approval are outlined in PSI’s Missouri OSEC bulletin. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLicensing authority:\u003c\/strong\u003e Missouri Division of Professional Registration – Office of Statewide Electrical Contractors (OSEC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMailing address:\u003c\/strong\u003e 3605 Missouri Boulevard, P.O. Box 1335, Jefferson City, MO 65102-1335\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhone:\u003c\/strong\u003e 573-522-3280\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFax:\u003c\/strong\u003e 573-751-6301\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmail:\u003c\/strong\u003e OSEC@pr.mo.gov\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting eligibility window:\u003c\/strong\u003e After OSEC approval, eligibility is valid for 2 years, and candidates may test unlimited times during that period if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOSEC contact information and the eligibility window are listed in PSI’s Missouri bulletin. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\u003cp\u003eThe following references are included in this \u003cstrong\u003eMissouri NASCLA Master\/Unlimited Electrical Contractor Exam Book Package\u003c\/strong\u003e. PSI identifies these references as allowed in the examination center for the NASCLA Electrical Contractor (Master\/Unlimited) exam program in Missouri. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational Electrical Code (NEC), 2023\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe primary code reference used for code-based questions on the exam. PSI lists the NEC (or NEC Handbook) as an approved codebook edition for this program (2020 or 2023), and this package is aligned to the \u003cstrong\u003e2023 NEC\u003c\/strong\u003e you provided.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode of Federal Regulations – 29 CFR Part 1926 (OSHA)\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConstruction safety standards commonly used for jobsite compliance, hazard controls, and employer responsibilities. PSI’s bulletin lists the 2024 edition in the approved reference set.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode of Federal Regulations – 29 CFR 1910 (OSHA)\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eGeneral industry OSHA standards supporting broader workplace safety requirements and compliance scenarios. PSI’s bulletin lists the 2024 edition in the approved reference set.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Guide to the Project Management Body of Knowledge (PMBOK® Guide), 7th Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProject management fundamentals supporting planning, execution, and professional project controls. PSI lists the 2021, 7th edition in the approved reference set.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI\/ASHRAE\/IES 90.1-2022, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings (I-P edition)\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eEnergy-efficiency standard referenced for commercial building compliance concepts. PSI lists the 90.1-2022 standard in the approved reference set.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNASCLA Contractors Guide to Business, Law and Project Management (Basic), 14th Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBusiness, law, and project administration reference aligned to contractor responsibilities and management concepts. PSI lists the Basic 14th edition in the approved reference set.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNFPA 70E – Standard for Electrical Safety in the Workplace, 2024\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eElectrical safety practices and hazard controls relevant to workplace procedures and scenario-based safety decisions. PSI lists the 2024 edition in the approved reference set.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUgly’s Electrical References\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eQuick-reference formulas, tables, and calculation support used to verify common electrical math efficiently under timed conditions. PSI lists the 2023 edition in the approved reference set.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderstanding Electrical Theory for NEC Applications\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eHelps connect theory to NEC-style application, supporting calculation questions and code-interpretation reasoning.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll reference titles and listed editions above are drawn from PSI’s Missouri NASCLA bulletin reference list for the Electrical Contractor (Master\/Unlimited) exam.\u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eTest Information and Study Materials\u003c\/h2\u003e\n\u003cp\u003ePSI’s bulletin includes an exam content outline for the NASCLA Electrical Contractor (Master\/Unlimited) examination in Missouri. Major content areas include project design\/management, safety, electrical theory and principles, general code requirements, wiring and protection, wiring methods\/materials, general equipment use, special occupancies\/special equipment\/special conditions, and communication systems. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to study effectively with a book-only package:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractice “topic-first”:\u003c\/strong\u003e Before opening a book, label the topic (NEC requirement, OSHA safety, NFPA 70E safety, project management). This prevents random searching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrain NEC navigation daily:\u003c\/strong\u003e Use the index and table of contents to locate the controlling section quickly, then verify exceptions and table notes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse timed mini-sets:\u003c\/strong\u003e Run short timed question blocks to build pace and reduce exam-day stress. Track what slows you down (tables, special conditions, calculations) and drill those areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify calculations:\u003c\/strong\u003e Use Ugly’s to confirm common formulas and values, then validate that your answer matches the scenario conditions and NEC requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDon’t skip safety references:\u003c\/strong\u003e When a question is clearly safety-focused, go directly to OSHA or NFPA 70E instead of trying to force everything into the NEC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow 1 Exam Prep Helps You Reach Your Goal\u003c\/h2\u003e\n\u003cp\u003e1 Exam Prep supports your goal with a trade-focused approach that emphasizes the skills open-book licensing exams reward most: organized study guidance, practical review, practice-oriented preparation, and confidence-building structure. Even with a book-only package, the right study plan helps you turn references into a system—so you can locate answers efficiently, verify details accurately, and maintain better pacing under a real exam time limit.\u003c\/p\u003e\n\u003cp\u003eOur approach is designed to help you build a repeatable method: identify the topic quickly, choose the correct reference, locate the governing rule, confirm exceptions and details, and move forward with confidence—without guaranteeing outcomes or promising results.\u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eFAQ\u003c\/h2\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the Missouri NASCLA Master\/Unlimited Electrical Contractor exam open book?\u003c\/h2\u003e\n\u003cp\u003eYes. PSI’s Missouri OSEC Candidate Information Bulletin states this examination is \u003cstrong\u003eOPEN BOOK\u003c\/strong\u003e and lists the references allowed in the examination center. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow many questions are on the exam and how much time do I get?\u003c\/h2\u003e\n\u003cp\u003ePSI lists \u003cstrong\u003e100 questions\u003c\/strong\u003e with \u003cstrong\u003e270 minutes\u003c\/strong\u003e allowed, and you must answer \u003cstrong\u003e75\u003c\/strong\u003e correctly to pass. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eWho do I apply with first—Missouri OSEC or PSI?\u003c\/h2\u003e\n\u003cp\u003eYou apply with \u003cstrong\u003eMissouri OSEC\u003c\/strong\u003e first. After OSEC approval, you pay and schedule the exam with \u003cstrong\u003ePSI\u003c\/strong\u003e. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes this product include a course?\u003c\/h2\u003e\n\u003cp\u003eNo. This is a \u003cstrong\u003ebook-only\u003c\/strong\u003e package that provides the exam reference books listed on this page.\u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhich NEC editions are approved for this exam?\u003c\/h2\u003e\n\u003cp\u003ePSI’s Missouri bulletin lists the NEC (or NEC Handbook) as approved in \u003cstrong\u003e2020 or 2023\u003c\/strong\u003e editions. This package is aligned to the \u003cstrong\u003eNEC 2023\u003c\/strong\u003e you provided. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eAre diagrams or plans provided at the testing center?\u003c\/h2\u003e\n\u003cp\u003eYes. PSI notes a physical diagram\/blueprint packet is handed out onsite at the testing center. \u003c\/p\u003e\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat’s the best way to use these books to prepare?\u003c\/h2\u003e\n\u003cp\u003eFocus on navigation and verification: identify the topic, go to the correct reference, locate the governing section quickly, confirm exceptions\/table notes, and practice timed sets to build pacing.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":45893309038649,"sku":null,"price":1195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/MO-NASCLAMasterUnlimitedElectrical-BOOKS.jpg?v=1780499210","url":"https:\/\/1examprep.com\/products\/missouri-nascla-master-unlimited-electrical-contractor-exam-book-package-1","provider":"1 Exam Prep","version":"1.0","type":"link"}