CSLB C-46 Solar Practice Test
Legal Review by Tymon Berger, Construction Attorney, PNW Construction Law ·
Free questions for the California CSLB C-46 Solar contractor trade exam, built from the CSLB study guide and application, the CSLB fee list, U.S. DOE solar pages, Cal/OSHA Title 8 and federal OSHA construction rules.
Adaptive Practice Test
15–20 Questions Drawn From 165
Every attempt is a new test: questions are drawn at random and the answer order is shuffled. Score 80% or more and your next test moves up a level; score under 50% and it eases back. Your level is saved only in this browser.
Your Level Foundation
How This Practice Test Works
- Each attempt draws 15–20 questions at random from our pool of 165 and shuffles the answer order. Score 80% or more and the next test moves up a difficulty level; under 50% and it eases back.
- After every answer you see an explanation and the CSLB reference behind it.
- We use 70% as a practice target. CSLB tells you the passing percentage at the test site. Aim for 80% or better here.
- There is no sign-up. Your level is saved only in this browser.
These are original questions written by our editorial team from the published CSLB. They are not real exam questions. Questions quote CSLB, DOE, Cal/OSHA and eCFR text, not real CSLB exam items. Copyrighted code text is not reproduced.
What the Question Pool Covers
Every question cites the rule behind its answer. Counting those references shows where the pool puts its weight:
| Reference | Questions |
|---|---|
| CSLB C-46 Solar Study Guide | 25 |
| U.S. DOE | 22 |
| CSLB Application for Original Contractors License | 13 |
| Cal/OSHA Title 8 §2320.2 | 13 |
| CSLB List of All Fees | 11 |
| 29 CFR 1926.404 | 10 |
| Cal/OSHA Title 8 §2320.4 | 7 |
| 29 CFR 1926.441 | 7 |
| CSLB Studying for the Examination | 5 |
| Cal/OSHA Title 8 §2395.6 | 3 |
| 29 CFR §1926.500(b) | 2 |
| 29 CFR §1926.502(d)(21) | 2 |
| Cal/OSHA Title 8 §2320.6 | 1 |
| 29 CFR §1926.501(b)(1) | 1 |
| 29 CFR §1926.501(b)(11) | 1 |
| 29 CFR §1926.501(b)(4)(i) | 1 |
| 29 CFR §1926.502(b)(1) | 1 |
| 29 CFR §1926.502(b)(3) | 1 |
| 29 CFR §1926.502(b)(4) | 1 |
| 29 CFR §1926.502(b)(5) | 1 |
| 29 CFR §1926.502(b)(2)(i) | 1 |
| 29 CFR §1926.502(d)(15) | 1 |
| 29 CFR §1926.502(d)(9) | 1 |
| 29 CFR §1926.502(d)(4) | 1 |
| 29 CFR §1926.502(d)(16)(ii) | 1 |
| 29 CFR §1926.502(d)(16)(iii) | 1 |
| 29 CFR §1926.502(d)(16)(iv) | 1 |
| 29 CFR §1926.502(d)(20) | 1 |
| 29 CFR §1926.502(i)(2) | 1 |
| 29 CFR §1926.502(i)(4) | 1 |
| 29 CFR §1926.502(i)(3) | 1 |
| 29 CFR §1926.502(c)(1) | 1 |
| 29 CFR §1926.502(f)(1)(i) | 1 |
| 29 CFR §1926.502(d) | 1 |
| 29 CFR §1926.1053(b)(1) | 1 |
| 29 CFR §1926.1053(b)(5)(i) | 1 |
| 29 CFR §1926.1053(b)(12) | 1 |
| 29 CFR §1926.1053(b)(20) | 1 |
| 29 CFR §1926.1053(b)(22) | 1 |
| 29 CFR §1926.1053(b)(13) | 1 |
| 29 CFR §1926.1053(b)(15) | 1 |
| 29 CFR §1926.1053(a)(1)(i) | 1 |
| 29 CFR §1926.1053(a)(3)(i) | 1 |
| 29 CFR §1926.1053(b)(4) | 1 |
| 29 CFR §1926.416(a)(1) | 1 |
| 29 CFR §1926.417(a) | 1 |
| 29 CFR §1926.417(b) | 1 |
| 29 CFR §1926.95(a) | 1 |
| 29 CFR §1926.651(b)(1) | 1 |
| 29 CFR §1926.651(c)(2) | 1 |
| 29 CFR §1926.651(j)(2) | 1 |
| 29 CFR §1926.652(a)(1) | 1 |
| 29 CFR §1926.403(b)(1) | 1 |
| 29 CFR §1926.403(b)(2) | 1 |
| 29 CFR §1926.403(h) | 1 |
| 29 CFR §1926.652(b)(4) | 1 |
| 29 CFR §1926.1053(b)(16) | 1 |
Sample Questions With Worked Answers
A few questions from the pool with the answer and explanation, so you can see the style before you start.
How many major sections does the CSLB C-46 Solar exam have?
Answer: Six. Source text: “The Solar (C-46) Examination is divided into six major sections…”
Reference: CSLB C-46 Solar Study Guide
Which C-46 section carries the most weight?
Answer: PV System Installation and Commissioning (28%). Source text: “Photovoltaic (PV) System Installation and Commissioning (28%)…”
Reference: CSLB C-46 Solar Study Guide
About what share of the C-46 exam is Safety?
Answer: 19%. Source text: “Safety (19%)…”
Reference: CSLB C-46 Solar Study Guide
About what share of the C-46 exam is Solar Thermal Installation?
Answer: 7%. Source text: “Solar Thermal Installation (7%)…”
Reference: CSLB C-46 Solar Study Guide
About what share of the C-46 exam is Planning and Estimating?
Answer: 14%. Source text: “Planning and Estimating (14%)…”
Reference: CSLB C-46 Solar Study Guide
How Difficulty Is Spread Across the Pool
Each question is tagged Foundation, Intermediate or Advanced, and each new test favors questions close to your current level that you have not seen yet in this browser. This is how the 165 CSLB C-46 Solar questions divide:
| Level | Questions | Share of Pool |
|---|---|---|
| Foundation | 34 | 21% |
| Intermediate | 109 | 66% |
| Advanced | 22 | 13% |
Because unseen questions come first, repeated attempts work through the pool rather than repeating the same items. Note the reference on every miss and reread that section before your next attempt.
Study Before You Test
- CSLB C-46 Solar Exam Guide
- CSLB C-46 Full Mock Exam
- CSLB C-10 Electrical Exam Guide (2026): Fees, Format, Sections and Study Plan