TESDA Manual Metal Arc Welding (MMAW) NC I Course

Manual Metal Arc Welding (MMAW) NC I by TESDA certification covers essential competencies for welding carbon steel components per specified drawings or procedures using the MMAW process. Also known as Shielded Metal Arc Welding (SMAW), MMAW fuses metals via an electric arc between an electrode and workpiece, shielded by flux. This qualification enables individuals to produce high-quality welds in various industrial settings.

Also read: TESDA Shielded Metal Arc Welding (SMAW) NC I Course

Mastering the Manual Metal Arc Welding (MMAW) NC I certification offers opportunities in welding by demonstrating proficiency in carbon steel techniques. Completing this qualification shows the ability to interpret technical drawings, follow welding procedures, and meet industry standards. Whether in fabrication, construction, or maintenance, the MMAW NC I certification signifies excellence in welding, laying a strong foundation for a successful career journey.

Manual Metal Arc Welding (MMAW) NC I

What is Manual Metal Arc Welding (MMAW) NC I?

This course equips learners with skills in safety practices, interpreting drawings, workshop measurements, industry calculations, Quality System contribution, hand tools use, weld material preparation, welding equipment setup, joint fitting, and carbon steel welding using MMAW.

An individual who has attained this Qualification is deemed capable of being a:

  • Carbon Steel Plate/ Pipe Welder (MMAW)


Taking the Manual Metal Arc Welding (MMAW) NC I qualification course can offer numerous advantages, particularly for those who are interested in a career in the welding industry. Here some five benefits:

  1. Practical Skills: The course equips students with the practical skills needed to weld carbon steel plates and components using the MMAW process. This hands-on experience can provide a solid foundation for a career in welding.
  2. Industry Certification: Upon completion of the course, students receive a National Certificate I in Manual Metal Arc Welding. This certification can enhance their employability and demonstrate their competence in the field.
  3. Career Advancement: The knowledge and skills acquired from this course can help individuals advance in their career path in the welding industry, opening up opportunities for higher-level positions and specializations.
  4. Versatility: MMAW is a versatile welding process that can be used in various industries including construction, automotive, and manufacturing. Learning this skill can make a welder more adaptable and valuable in the job market.
  5. Safety Practices: The course also teaches safe working practices, promoting a culture of safety in the workplace. This knowledge can help prevent accidents and injuries, making it a valuable asset for any welder.

Units of Competency

This qualification consists of the following units of competency:


  • Receive and respond to workplace communication
  • Work with others
  • Solve/address routine problems
  • Enhance self-management skills
  • Support innovation
  • Access and maintain information
  • Follow occupational safety and health policies and procedures
  • Apply environmental work standards
  • Adopt entrepreneurial mindset in the workplace


  • Interpret Drawings and Sketches
  • Perform Basic Workshop Measurements & Computations
  • Contribute to Quality System
  • Use Hand Tools
  • Prepare Materials and Consumables


  • Set up Welding Equipment
  • Prepare / Fit up Welding Joints
  • Weld Carbon Steel Plates using MMAW

Sample of Certificate of Completion


Training Duration

  • 47 Hours (Basic)
  • 40 Hours (Common)
  • 181 Hours (Core)
  • 80 hours Supervised Industry Learning (SIL)

Total: 348 hours

Also read: TESDA Metal Stamping NC II Course


Trainees or students must meet the following qualifications to enroll in this program:

  • Ability to perform basic math calculations
  • Good communication skills required
  • Physically fit (including differently abled individuals)


To enroll in the course of your choice, you need to fulfill certain requirements. These include:

  1. PSA Birth Certificate
  2. High School or College Diploma
  3. Certified True Copy of Official Transcript of Records or Form 137
  4. Certificate of Good Moral Character or GMRC
  5. 1 x 1 and/or 2 x 2 pictures

Note: Specific requirements may vary by school. It’s recommended to contact the school for accurate information on required documents.

Trainer’s Qualifications

  • National TVET Trainer Certificate Level I (NTTC Level I) in Manual Metal Arc Welding (MMAW) NC II or higher
  • Physically fit (including differently-abled individuals)
  • Minimum of 2 years welding job/industry/teaching experience

These qualifications are required for a person to become a certified trainer in Manual Metal Arc Welding (MMAW) NC II or higher.

MMAW Certification Tips

Tips for Manual Metal Arc Welding (MMAW) NC I Certification:

  1. Practice proper electrode handling techniques.
  2. Ensure a clean work surface for quality welds.
  3. Master your welding machine settings.
  4. Prioritize safety gear and precautions.
  5. Seek guidance from experienced welders.

These are just some basic tips to help you succeed in your MMAW NC I training and certification. Ultimately, dedication, practice, and continuous learning are keys to becoming a skilled welder.


The Manual Metal Arc Welding (MMAW) NC I certification equips individuals with the skills to weld carbon steel components using the MMAW process. This qualification opens doors to opportunities in the welding industry by demonstrating proficiency in welding techniques and industry standards. The course covers safety practices, interpreting drawings, workshop measurements, and welding equipment setup, providing practical skills for a successful welding career.

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