This page is for outdoor lighting installers and service technicians preparing for the CLVLT exam from the Association of Outdoor Lighting Professionals. It gives you free practice sets by topic, worked explanations for sample questions, a plain summary of fees, eligibility and retake rules taken from the AOLP page, and a study plan. Our questions are written by us, not taken from the real exam.

LLC Exam at a Glance

What changed for LLC in 2026

• Oct 25, 2026: Number of questions (CLVLT) changed to 8 sections, written and/or hands-on (previously 8 sections, written and hands-on).^[1]
• Oct 25, 2026: Delivery (CLVLT) changed to In person at AOLP events (written exam and hands-on labs) (previously In person at AOLP events (written exam plus hands-on labs)).^[1]
• Oct 25, 2026: Retake fee (CLVLT) changed to $50 per failed section (1–2 sections); full fee if more than 3 sections failed (previously $50 per failed section; full fee if more than three sections are failed).^[1]
• Oct 25, 2026: Retake policy (CLVLT) changed to Fail more than 3 sections: retake the full exam at full cost (previously Up to 3 failed sections can be retaken the same day; otherwise retake the full exam at a later date).^[1]
• Oct 25, 2026: Other (update 2027-02-10) changed to AOLP has scheduled Illuminate '27 for February 10–12, 2027 in Clearwater Beach, Florida, and the CLVLT exam page lists a February 10, 2027 exam at the Sheraton Sand Key Resort. (previously AOLP has scheduled Illuminate '27 for February 10–12, 2027, at the Sheraton Sand Key Resort in Clearwater Beach, Florida, and certification testing runs on the two days before it.).^[2]

What the LLC is and how it works

According to Association of Outdoor Lighting Professionals, “The CLVLT exam consists of eight (8) sections that include written and/or hands-on elements.”^[1]

The CLVLT is the certification exam run by the Association of Outdoor Lighting Professionals (AOLP). It is delivered in person at AOLP events as a written exam plus hands-on labs. The exam has 8 sections, and each section includes written and/or hands-on elements. The registration fee includes a digital study guide, a digital overview and the full exam.

Candidates need 3+ years of experience in outdoor lighting installation and/or service work. The fee is $600 for AOLP members and $900 for non-members. The event listed on the official page is Illuminate '27 on Feb 10, 2027 in Clearwater Beach, FL, and the registration deadline for it is December 20, 2026.

If you fail 1–2 sections, you may retake those sections at $50 per section. If you fail more than 3 sections, you must retake the full exam at full cost. The certification is good for 2 years.

We could not verify a passing score, question count or time limit, so we do not state any. Fees, dates and event locations can change, so confirm everything at https://aolpilluminate.org/clvlt/ before you register.

Worked examples: how to reason through LLC questions

These are practice questions written for this site, not questions from the real exam. Each explanation shows why the right answer is right and why the others are wrong.

Example 1

Question: What is the primary benefit of using LED lights in landscape lighting?

1. They generate more heat than traditional bulbs
2. They use less energy and last longer
3. They require frequent replacements
4. They consume the same amount of power as incandescent bulbs

Answer: B. They use less energy and last longer

Explanation:

The correct answer is that LEDs use less energy and last longer. An LED produces comparable light from much less electricity, and its long operating life means fewer lamp changes and lower maintenance cost over time.

The other options each describe the opposite. Generating more heat than traditional bulbs is wrong because LEDs convert more of their power into light and waste less as heat. Requiring frequent replacements is wrong because long life is a main selling point. Consuming the same power as incandescent bulbs is wrong because lower draw is the reason LEDs are chosen for efficiency.

Rule to remember: when a question asks for the benefit of LED, think lower load, longer life and less service work.

Example 2

Question: What is the purpose of checking the mounting stake depth and angle on a path light during a preventive maintenance visit?

1. To verify the stake meets recycled material standards
2. To ensure the fixture remains stable, upright, and correctly aimed after soil movement or frost heave
3. To confirm the stake color matches the fixture finish
4. To measure the distance between fixtures

Answer: B. To ensure the fixture remains stable, upright, and correctly aimed after soil movement or frost heave

Explanation:

The correct answer is that you check stake depth and angle so the fixture stays stable, upright and correctly aimed. Frost heave, erosion and soil settling move stakes over time, so fixtures lean or drift off their intended aim. A maintenance visit is the chance to reset them and keep the design intent.

Recycled material standards are wrong because depth and angle say nothing about what the stake is made of. Matching stake color to the fixture finish is wrong because it is cosmetic and does not affect function. Measuring the distance between fixtures is wrong because spacing is a layout task, not a check of one stake's depth and angle.

Rule to remember: preventive maintenance checks anything that ground movement can change, and aim and stability come first.

Example 3

Question: What type of wiring is most commonly used for low-voltage landscape lighting?

1. Romex wire
2. Direct burial cable
3. Coaxial cable
4. Twisted pair wiring

Answer: B. Direct burial cable

Explanation:

The correct answer is direct burial cable. It is built for underground use without conduit, and its jacket resists moisture, soil chemicals and physical damage, which is why it is the usual choice for low-voltage outdoor runs.

Romex is wrong because it is building wire meant for dry indoor locations and is not rated for direct burial. Coaxial cable is wrong because it carries signals such as video or antenna feeds, not lighting power. Twisted pair wiring is wrong because it is used for data and low-power signaling, not for feeding fixtures.

Rule to remember: match the cable to the environment and the job. Outdoor, buried and carrying power points to cable rated for direct burial.

How to use these practice tests

Start with the official material. Read the digital study guide and overview that come with registration, and note which topics your own work rarely touches. The exam mixes written and hands-on elements, so plan to practise both kinds of skill.

Next, work through our sets by topic rather than at random. Begin with your weakest areas, such as Troubleshooting and Diagnostics or Installation Techniques. Read every explanation, including for questions you got right, and write down the rule behind each miss.

Then add the supporting topics: Material Selection and Properties, Preventive Maintenance Procedures and Safety Procedures and PPE. Retake any set where you keep missing the same type of question until your reasoning is steady.

For the hands-on side, rehearse real tasks on a job or a bench: stripping and connecting cable, checking voltage, aiming a fixture and tracing a fault. In the final days, review your notes and re-read the official guide instead of learning new material. Our questions are practice only and do not predict what appears on the real exam.

Sources & last verified

1. Association of Outdoor Lighting Professionals — number of questions, exam fee, retake fee, retake policy (official source). “The CLVLT exam consists of eight (8) sections that include written and/or hands-on elements.” Verified Oct 25, 2026.
2. Association of Outdoor Lighting Professionals — other (official source). “Illuminate '27 is scheduled to be held February 10 – 12, 2027, in Clearwater Beach, Florida.” Verified Oct 25, 2026.

How we verify: editorial & fact-checking policy. Report an error: contact us.