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Oregon Limited Energy Technician (LEA) EXAM QUESTIONS AND CORRECT VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR – JUST RELEASED.pdf

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Tap on AVAILABLE IN BUNDLE/PACKAGE DEAL to unlock free bonus exams – save more while you get what you need. The Oregon Limited Energy Technician (LEA) Exam Questions and Correct Verified Solutions – Latest Updated Edition is a comprehensive study resource designed to help candidates prepare for the Oregon Limited Energy Technician Class A (LEA) licensing examination administered through the Oregon Building Codes Division (BCD). Oregon's current license information identifies LEA as Limited Energy Technician Class A, authorizing the holder to install, alter, and repair all limited-energy systems. The licensee must work under the applicable electrical/limited-energy contractor relationship specified by Oregon law. The resource covers the major electrical, limited-energy, code, installation, troubleshooting, and Oregon licensing topics relevant to LEA preparation. A major section focuses on electrical fundamentals, including voltage, current, resistance, power, polarity, continuity, AC and DC circuits, series and parallel circuits, electrical measurements, and basic circuit troubleshooting. I= R V ​ I= 6.0Ω 12.0V ​ =2.00A V s ​ V V s ​ R Ω R Vs = 12.0 V + - R = 6.0 Ω I = 2.00 A Give feedback The guide also reviews electrical mathematics, including Ohm's law, power calculations, circuit relationships, algebraic manipulation, unit conversions, and calculations commonly encountered when installing and troubleshooting limited-energy systems. Safety and accident prevention receive dedicated attention, including electrical hazards, personal protective equipment, lockout/tagout concepts, safe tool use, ladder and job-site safety, and procedures for working around energized equipment. The resource covers hand and power tools, including proper tool selection, inspection, safe use, testing instruments, and precautions for low-voltage and electronic installations. A substantial section addresses blueprint reading and electrical symbols, including schematic diagrams, wiring diagrams, architectural plans, symbols, system layouts, device identification, and tracing circuits from drawings. Wiring methods are covered through questions involving conductors, cables, raceways, boxes, supports, terminations, splicing, cable protection, routing, separation, labeling, and installation practices. The guide emphasizes the National Electrical Code (NEC) as applicable to limited-energy installations, with practice focused on locating and applying relevant code provisions rather than memorizing isolated requirements. Another important area is Oregon electrical statutes and administrative rules. Oregon's official LEA information identifies the applicable BCD laws and Oregon Administrative Rules governing the license. The resource also covers basic electronics, including electronic components, resistors, capacitors, diodes, transistors, relays, switches, power supplies, signal circuits, and fundamental electronic troubleshooting. Transformers receive dedicated attention, including transformer operation, primary and secondary circuits, voltage relationships, applications in limited-energy systems, and troubleshooting transformer-related problems. A major portion focuses on protective signaling systems, including fire alarm, nurse call, security/burglar alarm, and other life-safety-related systems. Oregon's LEA qualification pathway specifically requires trade-specific installation experience in protective signaling for the out-of-state experience route. The guide also reviews communication systems, including data telecommunications, intercom systems, paging systems, telephone-related wiring, structured cabling, connectors, signal transmission, and troubleshooting. Specialized control systems are included, covering HVAC controls, medical systems, boiler controls, clocks, instrumentation, sensors, controllers, relays, and other limited-energy control applications. Oregon apprenticeship standards identify protective signaling, communications, and specialized control systems as core LEA training areas. The resource addresses fire-alarm systems, including initiating devices, notification appliances, control equipment, power supplies, wiring, supervision, alarm signals, trouble conditions, testing, and troubleshooting. Security systems are also covered, including intrusion-detection devices, control panels, sensors, contacts, alarm signaling, power supplies, wiring, and system testing. The guide includes data and telecommunications systems, emphasizing structured cabling, cable identification, termination, patching, testing, equipment rooms, signal integrity, and common installation faults. A dedicated section addresses measurement and testing equipment, including meters and other instruments used to verify voltage, continuity, resistance, signal conditions, circuit performance, and system operation. The resource also incorporates system design and installation principles, helping candidates interpret low-voltage system layouts, select appropriate wiring methods, install equipment correctly, and identify potential installation deficiencies. Troubleshooting scenarios require candidates to diagnose opens, shorts, incorrect terminations, loss of power, faulty components, communication failures, alarm faults, and other system problems. For 2026, Oregon's official Business Xpress license directory states that the LEA examination is 3 hours, 52 questions, and open book. After application approval, candidates receive a list identifying the approved examination materials. The current LEA qualification pathways include completion of an approved Oregon apprenticeship; alternatively, Oregon provides pathways involving 432 hours of classroom training plus 6,000 hours of qualifying work experience, or 12,000 hours of qualifying out-of-state experience, subject to the applicable requirements. The study resource should be treated as a practice and preparation resource rather than an official or leaked Oregon BCD examination. Claims that third-party materials contain “actual,” “verified,” or “just released” examination questions should not be interpreted as confirmation that they reproduce secure state examination questions. Aligned with current Oregon LEA requirements, this study guide supports preparation in electrical mathematics, AC/DC fundamentals, Ohm's law, electrical measurements, safety, tools, blueprint reading, NEC applications, wiring methods, Oregon statutes and rules, electronics, transformers, protective signaling, fire alarms, nurse call, security systems, communications, data telecommunications, intercom, paging, HVAC and specialized controls, testing, installation, and troubleshooting. Ideal for Oregon limited-energy technicians, fire-alarm technicians, security-system installers, telecommunications technicians, structured-cabling professionals, controls technicians, electrical workers, and candidates preparing for the LEA license, this resource provides focused review material, exam-style practice questions, scenario-based exercises, and solution explanations to support effective licensing preparation.

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Page 1 of 99


Oregon Limited Energy Technician (LEA) EXAM QUESTIONS
AND CORRECT VERIFIED SOLUTIONS LATEST UPDATE THIS
YEAR – JUST RELEASED
Oregon Limited Energy Technician (LEA) Exam
250 Practice Questions with Rationales


EXAM COVERAGE OVERVIEW (10 Key Points)
1. License Scope – A Class A Limited Energy Technician (LEA) may install, alter, and
repair all limited energy systems, including fire alarm, nurse call, burglar alarm, and
other life safety systems . A Class B (LEB) excludes protective signaling .
2. Governing Agency – The Oregon Building Codes Division (BCD) , part of the Department
of Consumer and Business Services, administers licensing and examinations .
3. Experience Requirements (LEA) – Applicants must complete 6,000 hours of on-the-job
training (Oregon apprenticeship) OR 12,000 hours of out-of-state experience, plus 432
hours of classroom training . Minimum 3 years experience required .
4. Experience Requirements (LEB) – Applicants must complete 4,000 hours of work
experience (Oregon) OR 8,000 hours of out-of-state experience, plus a board-approved
32-hour training program .
5. Exam Details (LEA) – The exam consists of 52 questions with a 3-hour time limit. Passing
score is 75% (39 correct) . The exam is OPEN BOOK .
6. Exam Details (LEB) – The exam consists of 28 questions with a 2-hour time limit. Passing
score is 75% (21 correct) .
7. Permitted References – Candidates may use the National Electrical Code (NEC) , Oregon
Electrical Specialty Code (OESC) , Oregon Revised Statutes (ORS) , and Oregon
Administrative Rules (OAR) during the exam .
8. Continuing Education – LEA license renewal requires 8 hours of continuing
education per renewal cycle .
9. Reciprocity – Oregon has reciprocity agreements for the General Supervising Electrician
license with Arkansas and Utah . No specific reciprocity for LEA is noted .
10. Key Exam Topics – Questions cover Ohm's Law, NEC Article 725 (Class 2 & 3
circuits) , grounding and bonding, fiber optics, fire alarm systems (NFPA 72) , and low-
voltage code requirements .

, Page 2 of 99

QUESTIONS 1-250


1. What is the scope of work for a Class A Limited Energy Technician (LEA) in Oregon?

A) Installation, alteration, and repair of all electrical systems

B) Installation, alteration, and repair of all limited energy systems

C) Installation and repair of residential wiring only

D) Installation of low-voltage systems not including protective signaling


Correct Answer: B

Rationale: An LEA may install, alter, and repair all limited energy systems, which includes

protective signaling systems such as fire alarm, nurse call, and burglar alarm . An LEB is

restricted and may not perform protective signaling work .


2. What is the primary difference between Class A and Class B Limited Energy Technician

licenses in Oregon?

A) Class A requires more experience

B) Class A may perform protective signaling work; Class B may not

C) Class A is for commercial work; Class B is for residential

D) There is no difference; the classes are interchangeable


Correct Answer: B

Rationale: The primary distinction is that an LEA may install, alter, and repair protective

signaling systems (fire alarm, nurse call, burglar alarm) while an LEB cannot perform protective

signaling work .

, Page 3 of 99


3. What is the minimum passing score for the Oregon LEA exam?

A) 70%

B) 72%

C) 75%

D) 80%


Correct Answer: C

Rationale: The passing score for the LEA exam is 75% . With 52 questions, this means a

candidate must correctly answer 39 questions to pass .


4. How many questions are on the Oregon LEA exam?

A) 28

B) 52

C) 75

D) 100


Correct Answer: B

Rationale: The LEA exam consists of 52 code look-up questions .


5. What is the time limit for the Oregon LEA exam?

A) 2 hours

B) 2.5 hours

C) 3 hours

D) 4 hours

, Page 4 of 99


Correct Answer: C

Rationale: The LEA exam has a 3-hour time limit . The LEB exam is 2 hours .


6. What references are permitted during the Oregon LEA exam?

A) Only the National Electrical Code

B) The NEC, OESC, ORS, and OAR

C) Only the Oregon Electrical Specialty Code

D) No references are permitted; it is a closed-book exam


Correct Answer: B

Rationale: The Oregon LEA exam is open book . Permitted references include the National

Electrical Code (NEC), Oregon Electrical Specialty Code (OESC), Oregon Revised Statutes (ORS),

and Oregon Administrative Rules (OAR) .


7. How many hours of on-the-job training are required for an Oregon LEA license through an

Oregon apprenticeship?

A) 4,000 hours

B) 6,000 hours

C) 8,000 hours

D) 12,000 hours


Correct Answer: B

Rationale: An Oregon LEA applicant must complete 6,000 hours of on-the-job training through

an approved apprenticeship program .

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