Electrical Installation Inspection Code

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Electrical Installation Inspection Code

• Presented by
• Tan Hak Khoon
• Dy Director
• Inspectorate Energy Conservation Department
• Energy Market Authority of Singapore

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Energy Market Authority (EMA)

• Set up on 1 April 2001
• Drive the liberalised electricity and gas
  industries in Singapore and facilitate fair play
  in the industries
• Regulate the district cooling monopolies

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Electrical Installation Inspection Singapore

• Organization(s) responsible
• Licensed electrical worker (LEW). LEW engaged by
  consumer is responsible for the design,
  installation, testing, inspection, commissioning
  and maintenance of consumers electrical
  installations.
• Public Electricity Supplier. For the purpose of
  turn-on of electricity supply, LEW shall certify
  fitness of installation and submit the
  certification to the public electricity supplier
  who shall decide suitability for turn-on of
  electricity supply.

Electrical Safety Systems for the Asia-Pacific
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Electrical Installation Inspection Singapore

• Energy Market Authority of Singapore (EMA). For
  non-domestic electrical installations with load
  capacity exceeding 45 kVA or electrical
  installation in premises used for hazardous
  trades, consumer shall obtain an electrical
  installation licence to use or operate the
  electrical installation from the Energy Market
  Authority of Singapore.
• ( Examples motor paintshops, wood-working or
  saw- milling, petrol stations, paints and
  petroleum products, and temporary supply for
  building sites or engineering construction
  works, etc. )

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Electrical Installation Inspection Singapore

• Public or private sector
• Licensed Electrical Worker is a private
  individual
• Electricity Suppliers are private companies
• Energy Market Authority is a statutory board
• Voluntary or mandatory
• Only Licensed Electrical Worker is allowed to
  carry out electrical work under the Act
• Consumer is required to engage a licensed
  electrical worker for electrical work

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Electrical Installation Inspection Singapore

• Who pays for the inspection?
• Consumers pay the licensed electrical workers
  for inspections
• What requirements used?
• Inspection procedures shall follow CP 5 which
  also state the relevant British Standards.
  Some commonly used test reports are available
  for licensed electrical workers, e.g. AC
  pressure test, Primary and secondary injection
  tests, etc.
• For electrical installation used in
  construction sites, monthly inspection
  according to the requirements of CP 88 Pt 1.

Electrical Safety Systems for the Asia-Pacific
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Electrical Installation Inspection Singapore

• What arbitration or dispute settlement process?
• The licensed electrical worker is responsible for
  his work and a complete set of the equipment
  test reports is to be submitted to the
  electricity supplier for information. The
  electricity supplier has the authority to accept
  or reject the test results and to determine the
  compatibility of consumers electrical
  installation for the purpose of connection to the
  public electricity supply system.

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Electrical Installation Inspection Singapore

• How is it done is there a prescribed process?
• If the public electricity supplier disagree for
  an electrical installation to be connected to the
  public electricity supply system, a letter
  stating the defects will be issued to the
  consumer otherwise electricity supply will be
  turned-on to the consumers electrical
  installation.

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Electrical Installation Inspection Singapore

• Visual inspection? Measurements made as a part of
  the inspection process?
• The public electricity supplier will conduct a
  site inspection and take critical measurements to
  ensure compliance of CP 5 and compatibility of
  the consumers electrical installation for the
  purpose of connection to the public electricity
  supply system.

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Electrical Installation Inspection Singapore

• Frequency of inspection during construction
• After the installation has been connected to
  electricity supply, a monthly inspection of the
  installation is to be conducted by the licensed
  electrical worker engaged by the consumer to take
  charge of the electrical installation.
• Any on-site testing?
• Yes, the requirement is stated in CP 88 Pt 1.

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Electrical Installation Inspection Singapore

• Does product certification help the process?
• All electrical apparatus and accessories used in
  any electrical installation shall comply with the
  relevant Singapore Standards or International
  Standards such as BS, IEC, etc. On-site testing
  is to verify that these apparatus and accessories
  are properly installed and complied with the
  technical requirements of CP 5 and/or CP 88 Pt 1
  to ensure public safety.

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Electrical Installation Inspection Singapore

• Who is recognized as product certifier?
• All test laboratories registered with the
  Singapore Accreditation Council (SAC) or
  recognised by SAC under the Mutual Recognition
  Agreement (MRA).
• Any inspection on modification projects?
• Yes, any modification of electrical installation
  shall be carried by the licensed electrical
  worker in-charge who shall test and certify
  fitness of the modified part of the installation
  before it is connected to the main electrical
  installation for receiving electricity supply.

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Electrical Installation InspectionEnforcement
Singapore

• Legal penalties applicable
• It is an offence to use or operate an electrical
  installation at construction site without a
  valid installation licence.
• Failure to submit monthly inspection report may
  result in suspension of electrical installation
  licence.

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Electrical Installation InspectionEnforcement
Singapore

• Requirements to get electrical service from the
  utility
• Consumer shall engage a licensed electrical
  worker to take charge of the design and
  installation of the electrical installation and
  submit an application for electricity supply to
  the public electricity supplier through the
  licensed electrical worker. Details of
  procedures such as arrangement for meter fixing,
  appointment for turn-on, etc. can be obtained
  from the public electricity suppliers handbook.
  

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Electrical Installation InspectionEnforcement
Singapore

• Record keeping requirements
• A complete set of the pre-commissioning test
  reports shall be kept by the consumer and another
  set shall be submitted to the public electricity
  supplier. The test reports shall be produced as
  and when required by the Energy Market Authority.
• For electrical installation in service at
  construction site, a copy of the monthly
  inspection report shall be submitted to the
  Energy Market Authority and another copy shall be
  kept by the consumer.

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Electrical Installation InspectionExpectations
for the Future Singapore

• Changes taking place in the process
• The consumer shall inform his appointed licensed
  electrical worker of any proposed changes and the
  LEW shall ensure that the changes made on the
  installation comply with the relevant codes of
  practice and regulations.

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Electrical Installation InspectionExpectations
for the Future Singapore

• Roles of local, state and federal governments
• - The Energy Market Authority issues electrical
  installation licences to consumers
  installations.
• - Both the Energy Market Authority and the
  Ministry of Manpower conduct spot checks to audit
  electrical safety at construction sites.

Electrical Safety Systems for the Asia-Pacific