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Reference Library

Formulas, symbols, PPE tables, and quick-reference materials

The Reference Library is ArcReady's set of quick-access tools — for when you need a formula, a symbol, or a code comparison mid-study without digging back through the full guide.

What's In It

ToolWhat It's For
Symbols GlossaryStandard schematic symbols for motor starter controls — contacts, coils, fuses, grounds. Also covered in the Glossary.
Ohm's Law CalculatorInteractive solver for voltage, current, resistance, and power — enter any two values, get the rest.
Formula SheetEvery electrical formula used across the Theory question bank, printable for offline reference.
Standards DetailsSide-by-side comparison of Workplace Standards vs. NFPA 70E framing.
PPE CategoriesThe four HRC / arc flash PPE categories (0–4), minimum arc ratings, and required gear — full detail in the Study Guide.
Approach BoundariesLimited, Restricted, and Arc Flash Protection boundary distances and rules.
LOTOTO ProcedureThe 8-step lockout/tagout/tryout sequence, in order.

Study Resource Library

Beyond the quick-reference tools, the Reference tab also includes a downloadable/streamable library of study decks and guides (PDF and slide formats), filterable by topic, plus a guided study presentation that walks through Workplace Electrical Safety fundamentals, the Ohm's & Power Law masterclass, and a Virtual Lab walkthrough as a slide-style overlay.

Printable Cheat Sheets

Under Study Mode, you can toggle a Cheat Sheet view that compiles every question and full explanation into one printable page — useful for offline review or a physical copy on the jobsite.

Two more reference formats: the full write-up, and the short-definition version.