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Questions and Answers
What is the rated residual operating current for a residual current device in an installation, unless impractical or unsafe?
Not exceeding 100 milliamperes
What are the conditions for a room where a switchboard or equipment is installed?
Adequately lighted, ventilated, and kept dry; free from obstruction; with ample dimension for safe operation or maintenance; and not used for storage
What type of notice should be placed outside a place containing electrical equipment where unauthorized interference is expected and dangerous?
A standard notice displaying the words 'DILARANG MASUK' or 'DO NOT ENTER'
Why may earth leakage current protection not be required for an installation?
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What is the primary purpose of a residual current device in an installation?
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What is essential for safe operation or maintenance of a switchboard or equipment?
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Why is it important to keep a room for switchboard or equipment dry?
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What is the consequence of unauthorized interference with electrical equipment?
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What should not be done in a room where a switchboard or equipment is installed?
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What is the purpose of ventilating a room where a switchboard or equipment is installed?
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Study Notes
Electricity Ordinance and Rules
- The Electricity Ordinance and Rules, 1999, are cited as Swk.L.N. 84/99.
- The Rules are arranged into parts, including Preliminary, Installation, and others.
Installation
- Licensing and registration of installation are required.
- An application for a licence must be made, and the procedure involves approval and inspection.
- A Certificate of Registration of installation is issued after approval.
- The installation can be inspected and tested, and the Certificate of Registration can be cancelled.
Supervision and Test of Installation
- Approval is required for commencement of wiring.
- Portable apparatus on a dredge or floating structure must operate at a voltage not exceeding 50 volts between conductors.
- Portable apparatus used in certain situations must be connected to the main in a specific manner.
Installation of Electric Sign
- No circuit for an electric sign shall use voltage exceeding 7,500 volts to earth.
- An effective means of disconnection or isolation is required for safe repair and maintenance.
- The switch used for controlling the circuit must be of the double-pole type and of sufficient current rating.
General Requirements of Installation
- A room for switchboard or equipment must be adequately lighted, ventilated, and kept dry.
- The room must be free from obstruction and of ample dimension to facilitate safe operation or maintenance.
- The room must not be used for storage of any kind.
Notice
- A standard notice displaying the words "DILARANG MASUK" or "DO NOT ENTER" must be placed outside a place containing electrical equipment.
- The notice is required where unauthorized interference with the equipment may be expected and is dangerous.
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Description
This quiz covers the Electricity Ordinance and the Electricity Rules of 1999, focusing on the arrangement of rules and regulations.
