California Welding (C-60) Contractor Licensing Exam Prep Book Reference Package

California Welding (C-60) Contractor Licensing Exam Prep Book Reference Package

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California Welding (C-60) Contractor Licensing Exam Prep Book Reference Package

Prepare for the California Welding (C-60) contractor licensing examination with a focused book reference package covering planning, estimating, metal identification, welding preparation, welding processes, brazing, soldering, cutting, post-weld procedures, welding symbols, equipment setup, fire prevention, personnel protection, and job-site safety. This package brings together technical and safety references that support the major subjects identified for the California C-60 trade examination.

The California C-60 Welding classification covers contractors who cause metals to become permanently attached, joined, and fabricated through the use of gases and electrical energy that create sufficient heat to perform the work. The trade requires knowledge of welding processes, material preparation, metal characteristics, equipment setup, joint preparation, cutting techniques, welding symbols, finished weld quality, and safe work practices.

Welding work can involve structural and nonstructural fabrication, field welding, shop welding, cutting, brazing, soldering, material preparation, equipment setup, and post-weld work. Candidates preparing for the C-60 examination should understand how plans and specifications influence welding procedures, how metals respond to heat, how welding and cutting equipment is prepared, and how safety requirements apply throughout the job.

The California Welding (C-60) trade examination is a closed-book examination. Reference books cannot be used during the test, so the materials in this package are intended for study before exam day. Candidates should use them to strengthen understanding of welding techniques, equipment, structural welding requirements, welding symbols, cutting, material identification, fire prevention, electrical hazards, compressed gases, ventilation, and personnel safety.

This package can support candidates with different welding backgrounds. Someone experienced primarily with structural steel may need additional preparation involving brazing, soldering, cutting, symbols, or other processes. A fabrication welder may need more review involving field conditions, job-site safety, plans and specifications, or structural code concepts. Balanced preparation is important because the C-60 examination covers the complete welding process from planning and setup through welding, cutting, finishing, and safety.

What You Get

  • The Independent Shop’s Guide to Welding Safety and Health
  • Modern Welding, 2013
  • AWS Z49.1 Safety in Welding, Cutting, and Allied Processes
  • AWS A2.4:2020 Standard Symbols for Welding, Brazing, and Nondestructive Examination
  • Cal/OSHA General Industry & Electrical Safety Orders
  • Cal/OSHA Construction & Electrical Safety Orders
  • AWS D1.1/D1.1M: Structural Welding Code – Steel, 2020 Edition

Exam Details

The California Welding (C-60) trade examination is divided into five major content areas. The current CSLB examination outline applies to examinations scheduled on or after April 1, 2024.

  • Planning and Estimating — 17%
    This section includes reviewing plans and specifications, estimating equipment and materials, and identifying metals.
  • Welding Preparation — 22%
    This section includes preparing job sites, setting up welding equipment, and preparing materials for welding.
  • Welding, Brazing, and Soldering — 28%
    The largest examination section includes welding processes, welding techniques, post-welding procedures, brazing, and soldering.
  • Cutting Processes — 11%
    This section includes setting up cutting equipment, cutting techniques, and finishing requirements.
  • Safety — 22%
    This section covers job-site and equipment safety, prevention of fire hazards, and personnel safety.

The C-60 examination uses a multiple-choice format with four choices for each question and one best answer. Some questions require mathematical computation, and a calculator is provided during the examination.

There is no penalty for guessing, so candidates should attempt every question. Welding, Brazing, and Soldering represents approximately 28% of the examination and is the largest individual category. Welding Preparation and Safety each represent approximately 22%, making preparation and safe work practices substantial parts of the test.

The examination outline shows why candidates should prepare for more than the act of making a weld. Plans, estimating, metal identification, material preparation, equipment setup, cutting, finishing, brazing, soldering, fire prevention, and personnel protection all contribute to the C-60 examination.

Closed Book Test

The California Welding (C-60) trade examination is a closed-book examination. Reference books and other study materials cannot be used during the test.

The Independent Shop’s Guide to Welding Safety and Health, Modern Welding, AWS Z49.1, AWS A2.4, AWS D1.1/D1.1M, and the Cal/OSHA safety references should therefore be used during preparation rather than relied upon during the examination.

Active recall can be especially useful for closed-book preparation. After studying a welding process, close the reference and explain the equipment setup, electrode or filler considerations, joint preparation, welding sequence, heat application, finishing, and safety precautions from memory.

The same method can be used for welding symbols. Review a group of symbols, close the reference, and interpret the weld location, type, size, length, contour, finish, and other information without referring back to AWS A2.4.

When studying cutting processes, focus on both setup and execution. Candidates should understand equipment inspection, gas or electrical settings, cutting techniques, fire prevention, edge preparation, and finishing requirements.

Licensing Steps

The California Contractors State License Board administers contractor licensing and the C-60 Welding classification. Applicants generally move through qualifying experience, application, examination, and license-issuance requirements.

  1. Meet the qualifying experience requirement. The qualifying individual generally must have at least four years of qualifying experience in the C-60 classification within the ten years before filing the application.
  2. Document qualifying experience. Qualifying experience is generally required at journey level or as a foreman, supervising employee, contractor, or another qualifying role recognized by CSLB.
  3. Submit the appropriate CSLB application. Applicants must provide the required contractor license application and qualifying experience information.
  4. Complete applicable application processing. Applicants must satisfy fingerprinting and other applicable application-processing requirements.
  5. Complete required examinations. Applicants who are required to test generally must pass the C-60 Welding trade examination and the California Law and Business examination unless an applicable examination waiver applies.
  6. Complete license-issuance requirements. Applicants must satisfy applicable bonding, workers' compensation, documentation, fees, and other CSLB requirements before an active contractor license can be issued.

Technical education, vocational education, or apprenticeship training may provide credit toward part of the qualifying experience requirement when CSLB requirements are met. At least one year of practical experience is required when education or training credit is used toward the four-year experience requirement.

State Requirements

The California C-60 Welding classification is defined as work in which a welding contractor causes metals to become permanently attached, joined, and fabricated by using gases and electrical energy that create temperatures sufficient to perform the work.

This scope covers welding as a specialty trade and requires candidates to understand both the joining processes and the preparation necessary to produce acceptable work. Depending on the job, that can include reading drawings, interpreting welding symbols, identifying metals, preparing joints, setting equipment, welding, cutting, finishing, and inspecting the completed work.

Welding also creates significant safety considerations. Electrical current, compressed gases, heat, molten metal, sparks, fumes, ultraviolet and infrared radiation, fire hazards, grinding, cutting, and confined or restricted work areas can all require specific controls and protective measures.

Applicants who are required to take examinations generally must complete the C-60 Welding trade examination and the California Law and Business examination unless an applicable waiver applies.

California contractor licensing also includes applicable bonding, workers' compensation, documentation, and other license-issuance requirements. Passing the C-60 trade examination is an important step but does not by itself create an active California contractor license.

Reference Books

  • The Independent Shop’s Guide to Welding Safety and Health
    A welding-safety reference supporting study of shop hazards, ventilation, personal protective equipment, fire prevention, electrical safety, compressed gases, and safe welding and cutting practices.
  • Modern Welding, 2013
    A broad technical welding reference supporting preparation involving welding processes, metallurgy, equipment, joint preparation, welding techniques, cutting, brazing, soldering, testing, fabrication, and safety.
  • AWS Z49.1 Safety in Welding, Cutting, and Allied Processes
    A welding-industry safety standard supporting study of safe welding, cutting, brazing, and related operations, including fire prevention, ventilation, electrical hazards, compressed gases, protective equipment, and work-area safety.
  • AWS A2.4:2020 Standard Symbols for Welding, Brazing, and Nondestructive Examination
    A technical reference supporting preparation involving welding symbols, brazing symbols, nondestructive examination symbols, reference lines, arrows, dimensions, contours, finish symbols, and drawing interpretation.
  • Cal/OSHA General Industry & Electrical Safety Orders
    A California workplace safety reference supporting study of electrical exposure, machinery, ventilation, personal protective equipment, compressed gases, tools, and employee protection.
  • Cal/OSHA Construction & Electrical Safety Orders
    A California construction safety reference supporting preparation involving field welding, electrical hazards, fall exposure, fire prevention, tools, equipment, personal protective equipment, and job-site safety.
  • AWS D1.1/D1.1M: Structural Welding Code – Steel, 2020 Edition
    A structural welding reference supporting study of steel welding requirements, workmanship, joint details, fabrication, welding procedures, qualification concepts, inspection, and acceptance considerations.

Test Information and Study Materials

For Planning and Estimating, candidates should become comfortable reading plans, drawings, details, specifications, and welding symbols. Determine what material is being joined, what welding process is appropriate, what equipment is required, and how the completed joint is represented on the drawing.

AWS A2.4 is particularly useful for building welding-symbol knowledge. Candidates should be able to identify common weld symbols and understand information placed around the reference line and arrow. Repeated practice interpreting symbols can help turn drawing information into an actual welding plan.

Estimating preparation should include equipment, electrodes or filler metals, shielding gas where applicable, cutting supplies, labor, material preparation, finishing, and other job requirements. Candidates should also understand how joint type, material thickness, access, position, and welding process can affect the amount of work required.

Metal identification is specifically included in Planning and Estimating. Different metals have different welding characteristics, and correct identification can influence process selection, filler material, preparation, heat control, and finished-weld performance.

For Welding Preparation, review job-site preparation before welding begins. This includes establishing a safe work area, controlling fire hazards, protecting surrounding workers and materials, checking ventilation, positioning equipment, and identifying electrical or compressed-gas hazards.

Equipment setup is a major subject. Candidates should understand power sources, leads, grounds, electrode holders, torches, regulators, hoses, cylinders, wire-feed equipment, shielding gas, and other components associated with common welding processes.

Material preparation should include cleaning, cutting, beveling, fitting, alignment, tack welding, joint preparation, and removal of contaminants. Good preparation directly affects weld quality and can reduce defects and unnecessary rework.

Use Modern Welding to review common welding processes and preparation procedures. Compare the equipment, electrode or filler requirements, shielding, joint preparation, and applications of different processes instead of memorizing each process in isolation.

For Welding, Brazing, and Soldering, concentrate on process selection and correct technique. Candidates should understand how factors such as metal type, thickness, position, joint configuration, equipment, heat input, and desired finished condition influence the method used.

Study arc initiation, travel speed, work angle, travel angle, arc length, electrode manipulation, puddle control, and other fundamentals that affect weld appearance and quality. Understand how poor technique can lead to incomplete fusion, undercut, porosity, excessive reinforcement, distortion, or other undesirable conditions.

Post-welding procedures are specifically included in the C-60 examination. Review slag removal, cleaning, finishing, grinding where appropriate, visual evaluation, distortion control, and other work performed after the weld is completed.

Brazing and soldering are also part of the examination and should not be skipped simply because welding represents the core of the classification. Understand the differences among welding, brazing, and soldering, including how the base metal and filler material behave during each process.

AWS D1.1/D1.1M can support deeper study of structural steel welding. Focus on the relationship among procedures, joint details, workmanship, fabrication, qualification concepts, and inspection rather than attempting to memorize the entire code.

For Cutting Processes, study the setup and use of cutting equipment. Candidates should understand equipment inspection, gas-cylinder handling, regulators, hoses, torches, electrical cutting equipment where applicable, work positioning, and fire prevention.

Cutting technique affects the quality of the finished edge. Review torch position, travel speed, heat settings, starting procedures, pierce considerations, slag removal, and finishing requirements.

Cutting may also be part of joint preparation. Be prepared to connect cutting knowledge with beveling, fit-up, edge condition, and preparation for subsequent welding.

For Safety, study both welding-specific hazards and general construction hazards. Welding can expose workers to intense light, heat, sparks, molten metal, fumes, electrical current, pressurized gases, hot surfaces, noise, grinding particles, and fire hazards.

Personal protective equipment should match the operation. Candidates should understand welding helmets and appropriate filter protection, eye protection, gloves, protective clothing, footwear, hearing protection, and respiratory protection where conditions require it.

Fire prevention is specifically identified in the C-60 examination outline. Review combustible-material control, sparks and slag, hot work areas, fire watches, extinguishing equipment, cylinder storage, and work performed near flammable materials.

Compressed-gas safety deserves focused preparation. Cylinders, valves, regulators, hoses, and torches must be handled and stored correctly. Candidates should understand why oil or grease contamination, damaged components, improper storage, or incorrect handling can create serious hazards.

Electrical safety is also essential. Arc-welding equipment can expose workers to electrical hazards, particularly in wet conditions, confined spaces, damaged equipment, or when leads and connections are poorly maintained. The Cal/OSHA references can support deeper review of electrical protection.

Ventilation and fume control are important because welding and cutting can generate airborne contaminants. Candidates should understand the need for suitable ventilation and additional controls when welding certain metals, coatings, or in restricted work areas.

Job-site preparation should include protection for nearby workers. Screens or barriers may be needed to control exposure to arc radiation and sparks. Work areas should also be kept organized to reduce trip hazards around leads, hoses, tools, and equipment.

AWS Z49.1 and The Independent Shop’s Guide to Welding Safety and Health are valuable for integrating process knowledge with safe work practices. Safety should be studied alongside each welding or cutting process rather than treated as a separate topic only at the end of preparation.

Because the C-60 examination is closed book, active recall should be part of the study routine. Review one process, close the reference, and describe the equipment, preparation, consumables, operating technique, common problems, post-weld procedure, and safety precautions from memory.

Apply the same method to welding symbols. Look at several symbols, interpret them, then repeat the exercise without the reference. Being able to move between a drawing and the physical weld is an important trade skill.

Calculation practice should also be included because some C-60 questions require mathematical computation. Practice trade-related estimating and measurement problems and make sure the setup is understood rather than memorized.

A productive preparation routine combines broad reference reading with targeted study. Begin with the five examination sections, identify weak subjects, use the appropriate welding, structural code, symbol, or safety reference for deeper review, and then practice recalling the information without the books.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps candidates prepare for the California Welding (C-60) contractor examination through organized study guidance, trade-focused review, structured reference navigation, and practice-oriented preparation. The book reference package supports the main examination areas of planning, preparation, welding, brazing, soldering, cutting, and safety.

Reference navigation can help candidates focus on weaker subjects. A candidate needing additional process review can concentrate on Modern Welding, while someone who needs more drawing interpretation can spend additional time with AWS A2.4.

AWS D1.1/D1.1M supports structural steel welding review, while AWS Z49.1, The Independent Shop’s Guide to Welding Safety and Health, and the Cal/OSHA materials provide focused safety preparation.

Trade-focused study also helps connect the stages of welding work. Plans and specifications establish the requirements. Metal identification and estimating influence process and material selection. Preparation establishes the joint and work area. Welding or cutting completes the operation, while finishing and inspection address the completed work.

The package can support candidates whose field experience is concentrated in one part of the trade. A structural welder may need more review involving brazing, soldering, symbols, or cutting. A shop fabricator may need additional field-safety and construction preparation. A balanced study plan can help cover the full C-60 examination outline.

No exam preparation package can guarantee a passing result or contractor license approval, but organized reference study can help candidates strengthen their familiarity with welding processes, preparation, symbols, cutting, structural welding, calculations, and safety concepts before taking the closed-book examination.

FAQ Section

What does the California C-60 Welding classification cover?

The C-60 classification covers contractors who permanently attach, join, and fabricate metals through the use of gases and electrical energy that create sufficient heat to perform welding work.

Is the California C-60 trade examination open book?

No. The California Welding (C-60) trade examination is closed book. Reference materials cannot be used during the test.

What subjects are covered on the C-60 examination?

The examination covers Planning and Estimating, Welding Preparation, Welding, Brazing and Soldering, Cutting Processes, and Safety.

What is the largest section of the C-60 examination?

Welding, Brazing, and Soldering is the largest section at approximately 28% of the examination.

Does the C-60 examination include welding symbols?

Plan and specification review is included in the examination, and AWS A2.4:2020 supports preparation involving welding, brazing, and nondestructive examination symbols.

Does the C-60 examination include brazing and soldering?

Yes. Brazing and soldering are specifically included in the Welding, Brazing, and Soldering examination section.

Does the C-60 exam include cutting processes?

Yes. Cutting Processes is a dedicated examination section covering equipment setup, cutting techniques, and finishing requirements.

Does the C-60 exam include welding safety?

Yes. Safety represents approximately 22% of the examination and includes job-site and equipment safety, fire prevention, and personnel safety.

Does the C-60 exam include calculations?

Yes. Some examination questions require mathematical computation, and candidates should prepare for trade-related estimating and measurement calculations.

Can I use AWS D1.1 during the C-60 examination?

No. The C-60 trade examination is closed book. AWS D1.1/D1.1M and the other listed references are intended for preparation before test day.

Does the C-60 exam include metal identification?

Yes. Identifying metals is specifically included in the Planning and Estimating portion of the examination.

How should I use the C-60 book reference package?

Organize preparation around planning, metal identification, job-site preparation, equipment setup, welding processes, brazing, soldering, cutting, post-weld procedures, symbols, and safety. Use the appropriate welding, AWS, structural welding, or Cal/OSHA reference for deeper study, then practice recalling the information without the books.