Prepare for the New Mexico EL-1 Electrical Distribution Systems, including Transmission Lines Contractor examination with a highlighted and tabbed book package designed to make important electrical, distribution, transmission, and New Mexico code information easier to locate during study. This package brings together three major references covering the National Electrical Code, New Mexico electrical requirements, and electrical safety standards used in distribution and transmission work.
The New Mexico EL-1 classification covers electrical distribution and transmission systems operating at more than 5,000 volts nominal. The scope includes overhead and underground electrical distribution and transmission circuits, equipment, towers and supporting structures, tower foundations, trenching and ductwork, substations, and terminal facilities.
This book package includes the National Electrical Code, NEC, 2020, the New Mexico Electrical Code (NMAC 14.10.4), 2020, and the National Electrical Safety Code 2017. The books are highlighted and tabbed to provide an organized study resource for candidates preparing to work with complex code requirements involving electrical distribution and transmission systems.
Highlighted sections can help draw attention to important rules, definitions, tables, and requirements while tabs support faster navigation between major subjects. For a technical examination covering high-voltage distribution and transmission work, developing efficient reference-book navigation can be just as important as understanding individual code provisions.
The EL-1 examination is administered through PSI for the New Mexico Regulation and Licensing Department Construction Industries Division. The examination contains 100 questions, allows 265 minutes, and requires a 75% passing score. The examination is open book under PSI examination rules.
Please allow up to 15 business days for highlighted and tabbed book package orders.
Please allow up to 15 business days for tabbed and highlighted book package orders.
The New Mexico EL-1 examination is the trade examination associated with the Electrical Distribution Systems, including Transmission Lines contractor classification. PSI provides examination services for the New Mexico Construction Industries Division.
The EL-1 classification requires knowledge beyond ordinary building wiring. Distribution and transmission systems involve higher voltages, larger electrical infrastructure, specialized equipment, overhead and underground systems, substations, supporting structures, and significant safety considerations.
Candidates preparing for the EL-1 examination should be comfortable locating electrical requirements efficiently and distinguishing between NEC requirements, New Mexico-specific electrical rules, and electrical safety standards relevant to distribution and transmission work.
The 265-minute examination period provides a little more than four hours for 100 questions. Efficient book navigation can help candidates manage that time by reducing unnecessary searching. Highlighted and tabbed references are intended to support a more organized approach to code review and exam preparation.
The New Mexico EL-1 Electrical Distribution Systems examination is an open book test. PSI establishes the rules governing what references and materials candidates may take into the examination room.
Open-book testing still requires preparation. Candidates may need to identify a subject, determine which reference applies, find the applicable chapter or section, interpret the requirement, and apply it to a distribution or transmission problem within a limited amount of time.
The highlighted and tabbed format can support this type of preparation by helping candidates become familiar with the organization of their references before test day. Tabs can create recognizable navigation points, while highlighting can help important material stand out during repeated study sessions.
The current PSI examination reference list identifies the 2020 National Electrical Code and the 2020 New Mexico Electrical Code for the EL-1 examination. PSI currently identifies the 2007 edition of the National Electrical Safety Code for exam-room use. This book package includes the 2017 National Electrical Safety Code as specified for the package.
Candidates should follow PSI's current examination-room rules regarding reference editions and permitted materials when appearing for the exam.
New Mexico construction contracting is regulated through the Regulation and Licensing Department's Construction Industries Division. The EL-1 classification applies specifically to electrical distribution and transmission systems within its defined scope.
New Mexico defines the EL-1 classification as Electrical Distribution and Transmission Systems over 5,000 volts, nominal. The classification requires four years of applicable experience.
The EL-1 scope includes electrical wiring operating above 5,000 volts nominal, including overhead and underground electrical distribution and transmission circuits and associated equipment. The scope also includes towers, tower foundations, supporting structures, trenching, ductwork, substations, and terminal facilities associated with qualifying distribution and transmission systems.
The classification is distinct from other New Mexico electrical classifications. Electrical work specifically assigned to classifications such as EE-98, ER-1, and electrical specialty classifications is outside the EL-1 scope where the regulations separately classify that work.
New Mexico also addresses customer-owned electrical distribution systems. Customer-owned electrical power-line work is subject to adopted electrical codes, standards, and regulations. This can include privately owned overhead or underground primary or secondary electrical power-line construction, installation, alterations, repair, and maintenance.
Anyone contracting to perform work regulated under New Mexico's Construction Industries Licensing Act must hold the appropriate contractor license. The qualifying-party and company licensing processes include examination and application requirements administered through the state and PSI.
For field work under an EL-1 contractor, New Mexico also recognizes the EL-1J journeyman electrical distribution systems classification. The EL-1J classification requires four years of experience and allows qualifying journeymen to work under an EL-1 contractor license within the applicable scope.
EL-1 preparation should be organized around the specialized nature of electrical distribution and transmission work. Unlike an electrical examination centered primarily on building wiring, EL-1 candidates need to think in terms of power-distribution infrastructure, overhead and underground systems, higher-voltage equipment, and electrical safety.
Become familiar with higher-voltage NEC requirements. Review NEC provisions affecting systems above ordinary utilization voltages. Pay attention to equipment, grounding, wiring methods, protection, clearances, and installation requirements that change as voltage increases.
Study grounding and bonding carefully. Distribution systems require a strong understanding of grounding principles. Candidates should become comfortable locating grounding requirements and distinguishing between system grounding, equipment grounding, bonding, and other protective measures.
Review overhead electrical systems. Distribution and transmission work can involve poles, towers, conductors, clearances, supporting structures, and other overhead infrastructure. Learn the terminology used for these installations and become comfortable navigating safety-code provisions.
Review underground distribution systems. EL-1 work also includes underground circuits, trenching, ductwork, raceways, conductors, and associated equipment. Study the requirements that affect installation, protection, separation, and access.
Understand substation-related concepts. The EL-1 scope includes substations and terminal facilities. Candidates should review the electrical and safety requirements that apply to equipment, clearances, grounding, access, and high-voltage installations.
Study New Mexico-specific electrical rules. National codes provide the foundation, but New Mexico requirements can modify or supplement the adopted electrical code. Use the New Mexico Electrical Code regularly during preparation rather than treating it as a secondary reference.
Practice using all three books. One of the most important skills for an open-book exam is recognizing which reference is likely to contain the answer. A question may involve NEC installation requirements, New Mexico-specific regulations, or electrical safety standards associated with distribution infrastructure.
Use tabs as navigation landmarks. Learn what each tab represents before exam day. The objective is to associate major subjects with their locations so that you can move directly toward relevant material rather than searching an entire book.
Use highlighting as a review tool. Highlighted code passages can help important definitions, tables, rules, and exceptions stand out during study. Repeated review of those areas can make the structure of the references more familiar.
Pay attention to definitions. Electrical codes use precise technical language. The difference between terms involving distribution, service, supply, equipment, grounding, conductors, and structures can determine which requirement applies.
Read tables and notes carefully. Electrical questions frequently depend on the exact conditions listed in a table. Check voltage, conductor type, installation method, location, system configuration, and any notes or exceptions before selecting an answer.
Practice time management. The EL-1 examination contains 100 questions in 265 minutes. Timed practice can help develop a steady pace and show where reference navigation needs improvement.
Review missed questions through the books. When a practice question is missed, locate the governing requirement instead of memorizing the answer. Understanding where the rule appears and why it applies builds stronger preparation for differently worded questions.
Prepare the references before repeated study sessions. Using the same tabbed and highlighted books throughout preparation can build familiarity with their layout. Over time, important subjects become easier to locate because their physical position in the reference becomes familiar.
1 Exam Prep supports New Mexico EL-1 candidates with organized study resources designed around the references used for electrical distribution and transmission preparation. A highlighted and tabbed book package can make large technical references easier to navigate and help candidates develop a more structured approach to open-book study.
The highlighted format emphasizes important code areas so candidates can concentrate on relevant electrical requirements during repeated review. Tabs create recognizable reference points that can help candidates move efficiently between major chapters, articles, and safety subjects.
Reference navigation is especially important for EL-1 preparation because candidates may work across the National Electrical Code, New Mexico electrical requirements, and the National Electrical Safety Code. Becoming comfortable with each book can help reduce the time spent searching for information.
Trade-focused preparation should connect code requirements to the actual EL-1 scope, including overhead and underground distribution systems, transmission circuits, towers and support structures, trenching and ductwork, substations, terminal facilities, grounding, clearances, and higher-voltage electrical equipment.
1 Exam Prep's highlighted and tabbed book package provides a physical study structure that candidates can use throughout their preparation. The objective is to support stronger code familiarity, better reference navigation, and a more organized study process without promising a particular examination or licensing outcome.
Please allow up to 15 business days for tabbed and highlighted book package orders.
The EL-1 classification covers electrical distribution and transmission systems operating above 5,000 volts nominal, including qualifying overhead and underground circuits, equipment, towers, supporting structures, trenching, ductwork, substations, and terminal facilities.
The EL-1 examination contains 100 questions.
Candidates are allowed 265 minutes to complete the examination.
The passing score is 75%.
Yes. The EL-1 examination is open book under PSI examination rules.
The package includes the National Electrical Code, NEC, 2020; New Mexico Electrical Code (NMAC 14.10.4), 2020; and National Electrical Safety Code 2017.
Highlighting helps important material stand out during review, while tabs create navigation points for frequently used chapters and subjects. Together they support organized study and quicker reference-book navigation.
New Mexico's EL-1 contractor classification requires four years of applicable experience.
Yes. New Mexico's contractor licensing process includes a Business and Law requirement in addition to the applicable trade examination.
Please allow up to 15 business days for tabbed and highlighted book package orders.