LLC Cheat Sheet 2026
The 30 highest-yield LLC facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.
LLC exam key facts
100 questions
90 min time limit
70.00% to pass
- Which control method allows a homeowner to adjust landscape lighting using a smartphone app? → Smart home/Wi-Fi integrated lighting controller
- Which lighting technology is considered the most eco-friendly? → LED and solar-powered lights
- In Landscape Lighting Certification, which action should be taken first when a safety incident occurs? → Ensure the safety of all personnel
- What is the recommended burial depth for low-voltage landscape lighting cables? → 6 inches
- Which of the following connector types provides the most reliable weatherproof connection for low-voltage landscape lighting wire splices? → Gel-filled waterproof wire connectors (IDC or locking type)
- How does collaboration enhance Material Selection & Properties in Landscape Lighting Certification? → It brings diverse perspectives and improves outcomes
- What minimum burial depth is required for rigid metal conduit (RMC) installed for landscape lighting under a residential driveway? → 12 inches
- What is the purpose of a Safety Data Sheet (SDS) in Landscape Lighting Certification operations? → To provide hazard information about chemicals and materials
- What is the importance of staying current with trends in Installation Techniques for Landscape Lighting Certification? → It ensures practices remain effective and relevant
- Which of the following is a key principle of workplace safety in Landscape Lighting Certification? → Reporting all near-misses and incidents
- Which of the following actions is required before energizing a newly completed landscape lighting system for final inspection? → Confirming all fixtures are Listed for their installed location type
- What is the primary goal of quality assurance in Landscape Lighting Certification? → Ensuring consistent standards and continuous improvement
- What precaution should be taken when installing lighting fixtures near water features? → Ensuring waterproof fixtures and proper grounding
- What is the importance of staying current with trends in Tools & Equipment Operation for Landscape Lighting Certification? → It ensures practices remain effective and relevant
- What is a 'manual override' feature on a landscape lighting timer primarily used for? → To temporarily turn the lights on or off outside of the programmed schedule
- Which NEC article specifically governs the installation of outdoor landscape lighting systems? → Article 411
- A technician finds standing water inside a well light (in-ground fixture) during a PM visit. What is the first corrective step? → Drain the water, inspect the gasket and lens seal, and test the drainage holes if present
- What is a fundamental principle of Material Selection & Properties in Landscape Lighting Certification practice? → Following established standards and best practices
- Which approach best supports quality outcomes in Blueprint Reading & Interpretation for Landscape Lighting Certification? → Systematic application of evidence-based methods
- Which factor should be considered when placing outdoor lighting near water features? → Ensuring waterproof fixtures and safe placement
- What is the maximum voltage permitted for low-voltage landscape lighting circuits under NEC Article 411? → 30 volts
- Which safety practice is essential for preventing cross-contamination in Landscape Lighting Certification? → Proper hand hygiene and equipment sanitation
- How can solar-powered landscape lighting contribute to sustainability? → By reducing electricity usage and carbon footprint
- Which approach best supports quality outcomes in Troubleshooting & Diagnostics for Landscape Lighting Certification? → Systematic application of evidence-based methods
- What is the correct action when a transformer's primary-side GFCI or breaker trips repeatedly during normal operation? → Investigate for ground faults, moisture ingress, or overloading before resetting
- In Landscape Lighting Certification, what is a Key Performance Indicator (KPI)? → A measurable value that demonstrates effectiveness
- When conducting a PM on a newly installed system after its first winter, what specific damage should the technician prioritize inspecting for? → Frost heave displacement of stakes and cable exposure from ground movement
- What is the purpose of the equipotential bonding grid required around swimming pools under NEC 680.26? → To eliminate voltage differences that could cause shock in the water
- When installing landscape lighting near a swimming pool, which NEC article takes precedence for bonding and grounding requirements? → Article 680
- What is a fundamental principle of Troubleshooting & Diagnostics in Landscape Lighting Certification practice? → Following established standards and best practices
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How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
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