Course Title:   

Design & Installation of Electrical Installation based on SS 638 : 2018  Singapore Standard Code of Practice for Electrical Installation ( Formerly CP5 )

( Qualified for 14 PDUs by PEB )

Certificate of Attendance (signed by Course Speaker) will be issued to participants   who had attained 75% of the attendance.​


The designing & installation for electrical systems in Singapore requires thorough understanding of the Code of Practices. This 2-day course aims to familiarize participants with the Code of Practice through the interpretation of its clauses. 

 Course Date / Venue (7th Run)
   Day 1: Tuesday 2 July 2019
   Day 2: Wednesday 3 July 2019 

   Time:  8.45 am to 5.00 pm

   Venue:  NUSS Suntec City Guild House,
                  3 Temasek Boulevard (Tower 5)
                  #02-401/402, Suntec City Mall,
                   Singapore 038983

  Course Fee: $700.00 per person (No GST)

                        (Fee includes course material,                                lunch & refreshment breaks)

 ​​​HW Consultancy and Training​​​ (Biz Reg. No: 53173851E)

     21 Woodlands Close #08-18 Primz Bizhub Singapore 737854            
                                      Contact No: 9756 6671                                                  

Websites :    


This course is suitable for :

Those working on electrical installations, e.g.

                - Electrical Contractors,

                - Licensed Electrical Workers  (LEWs)

Electrical maintenance staff of building facilities & manufacturing plants.

​Those intending to make application to the Energy Market Authority to register as a LEW of appropriate grade (i.e. licensed electrician, licensed electrical technician and licensed electrical engineer).

*    Participants should preferably have basic academic knowledge of electricity.

      Course Outline:

  • History of CP 5
  • Fundamental principles for safety in electrical installation
  • Assessment of general characteristic, purpose, supplies and structure
  • Fault current in a three phase supply system
  • Protection against overload
  • Protection against short circuit
  • Surge protective devices (SPD), its configuration used, critical distance between SPD and equipment.
  • Effective current carrying capacity of cables and voltage drop in cable
  • Effects of electric current in human beings
  • Protection against electric shock
  • Cross sectional area of protective conductors
  • IDMTL relay, its setting, use of template to plot 3/10 characteristic curve for discrimination.
  • Solar photovoltaic (PV) power supply system
  • Protection against under voltage
  • Protection against thermal effect
  • What is CP 88 Part 1 and Part 2
  • Testing of Electrical Installation