What is Code of Practice in electrical maintenance?
A code of practice applies to anyone who has a duty of care in the circumstances described in the code. The codes of practice provide guidance for electrical safety duties and standards required under the Electrical Safety Act 2002 (Qld). They also outline effective ways to identify and manage electrical safety risks.
Is code of practice for electrical installation?
(1) IS:732 – 1989 Code of practice for electrical wiring installations. (2) IS: 4648 – 1968 Guide for electrical layout in residential buildings. (12) IS:10118(Part-1)-1982 Code of practice for selection, installation and maintenance of switchgear and control gear : General.
What is the acceptable distance between a switch switched socket outlet from a water pipe joint?
0.8 meter
Where switched socket outlet is to be installed near water tap source, it shall be installed at an acceptable distance of at least 0.8 meter away from the tap water source.
What is a protective conductor?
Protective conductors are an important basic element of protective measures against electrical shocks. Protective conductors connect conductive parts of casings in electrical appliances, conductive parts of buildings and constructions etc. to earthing electrodes.
What is code for electrical wiring?
The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association.
Which wiring system is required for public building?
Conduit wiring is used in residential, commercial and public buildings to improve appearance.
| Wiring system | Applications |
|---|---|
| Lead sheathed wiring | Suitable for places exposed to sun and rain and damp places |
| Conduit wiring (PVC cables) | Industries, workshops, public buildings, residential, commercial and office buildings |
Why do some appliances not need an earth wire?
Some appliances, such as vacuum cleaners and electric drills, do not have an earth wire. This is because they have plastic casings, or they have been designed so that the live wire cannot touch the casing. As a result, the casing cannot give an electric shock, even if the wires inside become loose.
What are the 3 protective conductors?
Circuit Protective Conductor (CPC)
- a single core cable.
- a conductor in a multicore cable.
- an insulated or bare conductor in a common enclosure with insulated live conductors.
- a fixed or bare insulated conductor.
- the sheath or armouring of a cable.
What is PE in wiring?
PE – Protective Earth. In the UK, they call it “earthing”. In the US, we call it “grounding”. They mean the same electrical 0v potential. The purpose of PE is to protect against electric shock and fire due to leakage current.