Safety
Safety is 19 percent of the examination: protecting the public, correcting unsafe conditions, and handling hazardous materials. Falls, electrical hazards and heat are the big three on solar jobs. The PrepPass CSLB C-46 Solar Study Guide covers this area in depth, with worked examples and a chapter quiz.
Falls and ladders
Cal/OSHA sets when fall protection is required and how it must work.
Electrical and heat
PV arrays stay energized in daylight; heat illness rules apply to construction.
Hazardous materials
Know what you carry and how to respond.
Keep going: the full CSLB C-46 Solar guide covers every section of the exam. CSLB C-46 Solar Trade Exam Study Guide (2026) — PDF + EPUB, $24.99 · 14-day refund →

Practice stays free. The full CSLB C-46 Solar study guide is the material itself, taught start to finish — a downloadable PDF + EPUB you keep.