TESDA Electrical Installation and Maintenance NC III Course

The field of electrical installation and maintenance is a vital industry that requires skilled workers to undertake the task of installing and maintaining electrical systems safely and effectively. With the Electrical Installation & Maintenance NC III, candidates undergo a set of competencies that are necessary to meet TESDA requirements in obtaining a national certificate.

Also read: TESDA Cable TV Operatiocn and Maintenance NC III Course

It is worth noting that this particular set of competencies is tailored for a generalist role and does not include highly specialized vocations such as linemen or substation technicians. However, it serves as an excellent entry point for those who wish to pursue a career in this field, ensuring the safety of their clients and the functionality of electrical systems.

What is Electrical Installation and Maintenance NC III?

This course aims to enhance the knowledge, skills, and attitudes of an electrical, mechatronics, and automation technician, following industry standards. It covers basic and common competencies, as well as core competencies outlined in section 1 of the training regulations.

The candidate who possesses all these competencies is qualified to be:

  • Industrial Electrician
  • Electrical Leadman
  • Electrical Foreman

Benefits of Taking Electrical Installation and Maintenance NC III

  1. Develops Technical Skills: The Electrical Installation and Maintenance NC III course equips learners with the necessary technical skills to excel in the field of electrical installation and maintenance.
  2. Enhances Safety Awareness: By undergoing this course, individuals gain a deeper understanding of safety protocols and precautions when dealing with electrical systems, ensuring a safer working environment.
  3. Increases Employability: Completing the course enhances job prospects as it demonstrates a high level of competence in electrical installation and maintenance, making graduates more attractive to potential employers.
  4. Promotes Professionalism: The course emphasizes professionalism and ethical conduct, instilling in learners the importance of adhering to industry standards and best practices.
  5. Provides Comprehensive Training: The course covers various aspects of electrical installation and maintenance, including electrical wiring, troubleshooting, repair, and maintenance, ensuring learners are well-rounded in their skills.
  6. Offers Hands-on Experience: Through practical training and workshops, learners gain valuable hands-on experience, allowing them to apply their knowledge in real-world scenarios.
  7. Fosters Continuous Learning: The course encourages individuals to stay updated with the latest advancements in electrical technology, promoting a culture of lifelong learning.
  8. Contributes to National Development: By producing highly skilled electrical technicians, the course contributes to the overall development of the electrical industry, supporting the growth of the nation’s infrastructure.

What are the Essential Skills that Need to Be Learned?

Enhance performance by cultivating fundamental skills across various domains.

a. Basic Units of Competency

  • Lead workplace communication
  • Lead small teams
  • Develop and practice negotiating skills
  • Solve problems related to work activities
  • Use mathematical concepts and techniques
  • Use relevant technologies

b. Common Units of Competency

  • Use Hand Tools
  • Perform Mensuration and Calculation
  • Prepare and Interpret Technical Drawing
  • Apply Quality Standards
  • Terminate and Connect Electrical Wiring and Electronic Circuits
  • Maintain tools and equipment

c. Core Units of Competency

  • Perform roughing-in and wiring activities for a three-phase distribution system for power, lighting and motor control panel.
  • Install data measurement and control system on electrical and auxiliary equipment
  • Install, assemble, test and maintain the motor control system.

Sample of Certificate of Completion


Training Duration

  • Basic: 32 hours
  • Common: 32 hours
  • Core: 96 hours

Total: 160 hours

Also read: TESDA Automotive Servicing (Electrical Repair) NC II Course


Trainees must meet the following requirements to enter the course:

  1. Must hold and/or be trained in Electrical Installation and Maintenance NC II or Mechatronics Servicing NC II.

This list does not include institutional requirements like education, work experience, or other criteria that the school or training center may require of trainees in the TVET program.


To enroll in this course, you will need the following documents:

  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

To obtain further details, please reach out to the enrollment site that aligns with your requirements. Kindly note that the criteria may vary.

Instructor’s Qualifications

The trainer for the course must have the following qualifications:

  • Holder of NTTC I in Electrical Installation & Maintenance NC III or higher.
  • Must have at least 3 years of relevant job/industry or teaching experience.


The Electrical Installation and Maintenance NC III is a comprehensive course that enhances the knowledge, skills, and attitudes of electrical, mechatronics, and automation technicians. It covers basic, common, and core competencies required in the industry, qualifying candidates for roles such as industrial electrician, electrical leadman, and electrical foreman. With a total training duration of 160 hours, this course provides a solid foundation for those seeking a career in the electrical installation and maintenance field.

Contact Information

Technical Education and Skills Development Authority (TESDA)
Office Address: BLDG 8, TESDA Gate 2, TESDA Complex, East Service Rd., South Superhighway, Taguig, Metro Manila.
Email Address: contactcenter@tesda.gov.ph
Telephone Number: 8887-7777
SMS Hotline: 0917-479-4370 (text only)
Website: https://www.tesda.gov.ph/
Facebook Page: https://www.facebook.com/TESDAOfficial

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