WSQ Perform Electrical Terminations and Connections (WSQ SU3)

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Course Duration

Duration: 4 Days (30 Hours)
Time: 9.00am to 5.00pm
Course Commencement is subject to the minimum number of participants

Course Fee

Local Students: SGD327 after SSG funding
International Students: SGD3,270


This is a competency elective unit, which looks at the process of performing electrical terminations and connections.

Course Title

ATTC is an approved training organisation by SkillsFuture Singapore for WSQ courses.

Industry Need

Those who want a career switch to aviation industry and newly recruited personnel, who wish to seek recognition as trained technicians in the aviation industry.

Course Objective

On completion of this unit, learner will have the knowledge and application skills for this competency unit using appropriate tools, equipment, materials and methods.

Course Synopsis

The competency elements covered in this competency unit are:
1) Splice and Terminate Wires with Crimp-type Terminal Devices
2) Remove and Insert Contacts of Crimp-type Connectors
3) Apply Appropriate Soldering and De-Soldering Methods
4) Perform Wire Wrapping Connections
5) Fabricate Wire Harness

Primarily, people who require such competencies are technicians who perform aircraft maintenance (avionics).

In relation to the WSQ Modules, this is the specialisation/elective competency unit that is required for the said qualification.

Course Structure

There are five competency elements for WSQ Maintain Aircraft Electrical Systems. They are:

1) Splice and Terminate Wires with Crimp-type Terminal Devices:

  • Different types and sizes of aircraft wires
  • Use of different types and sizes of wiring termination devices
  • Main features of approved types of stripping tools
  • Procedure of stripping wires
  • Main features of approved types of crimping tools
  • Procedure of crimping wires to terminal devices
  • Characteristics of acceptable crimped terminal devices
  • Importance of processing work documentation

2) Remove and Insert Contacts of Crimp-type Connectors:

  • Advantages of crimp-type connectors over soldered type
  • Different types of crimp-type connectors
  • Different types and sizes of contacts
  • Main features of removal and insertion tools
  • Procedure of disassembling and assembling connectors
  • Procedure of inserting and extracting contacts
  • Features to look for when inspecting connectors
  • Processing work documentation

3) Apply Appropriate Soldering and De-Soldering Methods:

  • Basic types of solder and their composition
  • Different sizes of soldering irons, their features and use
  • Function of soldering flux
  • Features of acceptable soldered joint
  • Procedure of soldering
  • Procedure of de-soldering
  • Processing work documentation

4) Perform Wire Wrapping Connections:

  • Advantages of using wire wrapping connections
  • Main features of wire wrapping and unwrapping tools
  • Main features of terminal posts in wrapping connections
  • Type and sizes of wires used in wrapping connections
  • Procedure of wrapping wires
  • Procedure of unwrapping wires
  • Processing work documentation

5) Fabricate Wire Harnesses:

  • Purpose of fabricating wire harness
  • Types and sizes of aircraft wires
  • Various types of accessories and wiring termination devices
  • Interpretation of wiring diagrams of wire harness
  • Purpose of making wire markings on wires
  • Procedure of setting up machine and making wire markings on wires
  • Main features of acceptable wire markings
  • Purpose of grouping wires by circuit functions
  • Processing work documentation

Student – Lecturer Ratio

Theory: Lecturer to Students is 1:32
Practical: Lecturer to Students is 1:16

Learning And Teaching Methods

All classes will be a mix of lectures and practical skills training

Student Assessment

WSQ courses are assessed by practical assessments

Admission Requirement

WSQ Employability Skills WPLN Proficiency Level 4 equivalent to Lower Secondary

Graduation Requirement

Successful completion of this course will lead to the award of WSQ SOA in Perform Electrical Terminations and Connections

Attendance Requirement

Students must achieve a minimum of 75% attendance for all individual modules

SSG Funding

Only Singapore residents and Singapore PR (Permanent Residents) taking this course can apply for 90% subsidy on course fees. –

The general eligibility criteria for company sponsored applicants are listed as follows: –
1. Company are registered or incorporated in Singapore
2. Supported cost components (such as Course fees) are fully sponsored by company
3. Trainees are employees who are either Singapore Citizen or Singapore Permanent Resident only
4. Trainee have achieved attendance requirement

Eventual funding amount can vary according to applicant’s age and qualification level. For details on Training Grant, please refer to the SkillsFuture Singapore.


The information provided are the most current at the point of publishing and may be subject to changes. ATTC has the right to make changes to course fees, course syllabus, duration and admission requirements without notice.