Unofficial
Study guides
Digital unofficial study guides and workbooks. Buy a PDF here, or use the KnowHowSupply Etsy shop or the Payhip store.
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Journeyman Electrician Exam Calculations Workbook (Unofficial, PDF)
Unofficial calculations workbook for journeyman electrician exam prep.
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EPA 608 study guide
Unofficial study guide for EPA 608.
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Real Estate Exam Math Workbook (Unofficial, PDF)
Unofficial math workbook for real estate exam prep.
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CNA Exam Study Guide 2026 + Skills Checklist (Unofficial, PDF)
Unofficial CNA exam study guide for 2026.
Pairs with the free unofficial CNA practice quiz. A paid interactive CNA study app is planned — join the waitlist from the quiz results or the home page.
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NICET Fire Alarm Systems Level I Study Guide (Unofficial, PDF)
Unofficial study guide for NICET Fire Alarm Systems Level I.
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NICET Fire Alarm Systems Level II Study Guide (Unofficial, PDF)
Unofficial study guide for NICET Fire Alarm Systems Level II.
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NICET Fire Alarm Systems Level III Study Guide (Unofficial, PDF)
Unofficial study guide for NICET Fire Alarm Systems Level III.
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Fire Alarm Battery & Standby Power Calculations Guide (Unofficial, PDF)
Unofficial guide to fire alarm battery and standby power calculations.
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Fire Alarm Initiating Devices & Detector Spacing Guide (Unofficial, PDF)
Unofficial guide to smoke, heat, and manual station placement.
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Fire Alarm Calculations Workbook (Unofficial, PDF)
Unofficial workbook for fire alarm calculation practice.
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NFPA 72 Tabbing & Lookup Cheat Sheet Pack (Unofficial, PDF)
Unofficial tabbing and lookup sheets for NFPA 72.
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NAC / Notification Appliance Spacing & Candela Quick Guide (Unofficial, PDF)
Unofficial quick guide to notification appliance spacing and candela.
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Circuit Classes A/B/N/X Quick Guide (Unofficial, PDF)
Unofficial quick guide to fire alarm circuit classes A, B, N, and X.
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New Mexico ES-3J Fire Alarm Exam Prep (Unofficial, PDF)
Unofficial study guide for the New Mexico ES-3J exam.
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Texas Fire Alarm SFMO Study Guide (Unofficial, PDF)
Unofficial study guide for the Texas fire alarm SFMO exam.
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Florida FASA + Alarm Contractor I Exam Prep (Unofficial, PDF)
Unofficial exam prep for Florida FASA and Alarm Contractor I.
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California C-7 Low Voltage Systems Study Guide (Unofficial, PDF)
Unofficial study guide for the California C-7 low voltage exam.
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