SS 638: 2018 Code of Practice for Electrical Installations PDF Download

The SS 638: 2018 is the Code of Practice for Electrical Installations in Singapore. It provides guidelines for the design, installation, inspection, testing, and maintenance of electrical installations to ensure safety and compliance with local regulations.

Here are some key points typically covered in such codes:

SS 638: 2018

1. Scope and Application:
   • Defines the types of installations and premises covered.
   • Specifies the legal and regulatory framework.
2. General Requirements:
   • Safety principles and design considerations.
   • Requirements for electrical equipment and materials.
3. Design of Electrical Installations:
   • Circuit arrangements and protective measures.
   • Load calculations and selection of conductors.
4. Protection for Safety:
   • Protection against electric shock, overcurrent, and short-circuit.
   • Earthing and bonding requirements.
5. Selection and Erection of Equipment:
   • Installation of switchgear, controlgear, and wiring systems.
   • Requirements for specific types of equipment, such as lighting and heating.
6. Inspection and Testing:
   • Procedures for initial verification and periodic inspection.
   • Testing methods to ensure safety and compliance.
7. Special Installations or Locations:
   • Additional requirements for specific environments like bathrooms, swimming pools, and medical locations.
8. Documentation and Certification:
   • Requirements for documentation of the installation.
   • Certificates and records to be maintained.

For the exact details, consulting the actual SS 638: 2018 document is necessary, as it contains comprehensive regulations and guidelines tailored to Singapore’s specific needs and safety standards.

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