NCCCO Overhead Bridge Crane Operator Study Guide 2026-2027: Written Exam and Practical Tasks — Pre-Shift, Operations, Hazard Recognition, and Technical ... (Crane & Rigging Certification Exam Prep)

The first dedicated NCCCO OCO study guide built for crane operators.The NCCCO Overhead Crane Operator (OCO) certification is the industry standard for demonstrating safe, compliant overhead and bridge crane operation under OSHA 29 CFR 1910.179 and ASME B30.2. This guide covers all five exam domains — 60 questions, 70% passing threshold — plus all six CCO Practical Exam tasks, with every topic grounded in primary regulatory sources.Inside you'll find:Domain 1 — Pre-Shift Inspection (20%) — OSHA 1910.179(j) frequent and periodic inspection criteria, hook and wire rope rejection standards, pre-shift checklistsDomain 2 — Operations (36%) — Rigging selection, ASME B30.2 hand signals, true vertical lift, load weight determination, below-the-hook devicesDomain 3 — Load Handling — Hoist-brake checks under load, shock loading prevention, load swing control, 9 CCO load-handling requirementsDomain 4 — Shutdown and Securing (4%) — End-of-shift shutdown sequence, lockout/tagout requirements, operator vs. maintenance boundariesDomain 5 — Technical Knowledge (25%) — ASME B30.2 component terminology, service classifications, inspection intervals, rated load test requirementsHazard Recognition (15%) — Electrical safety, wire rope rejection criteria, multiple-crane hazards, cab requirements30 diagrams — Crane components, hand signals, inspection points, and load charts mapped to exam question typesPractice questions per chapter aligned to actual domain weight percentagesBuilt for the written exam and the practical floor test.Each chapter opens with domain weight and learning objectives so you know exactly how many exam questions cover each topic. Chapters 2–8 map directly to CCO Practical Exam Tasks 1–6, so your written preparation also prepares you for the hands-on assessment. Content is grounded in OSHA 1910.179, ASME B30.2, and the 2023 NCCCO OCO Candidate Handbook.⚠ Disclaimer: Independent publication. Not affiliated with, endorsed by, or approved by the National Commission for the Certification of Crane Operators. NCCCO is a registered trademark of the National Commission for the Certification of Crane Operators. OSHA is a registered trademark of the U.S. Department of Labor.Prepare for your OCO certification with confidence. Read more