NCCER Sheet Metal Worker study guide
NCCER Sheet Metal Worker · Work through your exam, one topic at a time.
The NCCER Sheet Metal Worker credential is a craft assessment and training pathway for people who fabricate, assemble, and install ductwork and architectural sheet metal. NCCER publishes standardized curricula through which trainees progress level by level, and its assessments are used by contractors, apprenticeship programs, and training centers to confirm that a worker can perform at a given level. The NCCER Sheet Metal Worker study guide has 8 sections and about 2,186 words.
01Safety and Orientation
This domain tests hazard recognition and safe work practices on sheet metal jobsites: PPE, lockout/tagout, fall protection, material handling, hot work, and jobsite conduct. PPE: safety glasses with side shields, hearing protection around shears and brakes, cut-resistant gloves for handling sheet edges, safety footwear, and a hard hat where required.
310 words, about 2 min02Tools and Equipment
This domain tests tool identification, safe use, and maintenance. You must match the tool to the material, gauge, and cut geometry.
290 words, about 1 min03Blueprint Reading and Layout
This domain tests reading construction drawings and developing flat patterns. Expect orthographic views, line types, dimensions, HVAC symbols, and stretch-outs.
275 words, about 1 min04Sheet Metal Fabrication and Shop Practices
This domain tests layout, cutting, forming, seaming, and joining in the shop. You must know which seam and joint suits a duct and how material thickness affects the pattern.
262 words, about 1 min05Installation and Field Work
This domain tests hanging, assembling, sealing, and testing duct in the field, plus coordination with other trades. Field conditions rarely match the drawings exactly.
270 words, about 1 min06HVAC Duct Systems and Airflow
This domain tests basic airside design: airflow, velocity, pressure, duct sizing, and leakage. You need to use Q = V x A with consistent units.
269 words, about 1 min07Architectural Sheet Metal and Roofing
This domain tests flashing, drainage, metal roofing, and weatherproofing. The goal is to shed water and allow thermal movement.
245 words, about 1 min08Codes, Standards, and Professional Practice
This domain tests the documents and standards that govern the work, plus jobsite professionalism. You must know when to ask, document, and inspect.
265 words, about 1 min