ADDC REGULATIONS FOR ELECTRICAL INSTALLATIONS PDF

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To learn more, view our Privacy Policy. Log In Sign Up. Antonio sanchez. In addition to its duties in respect of licensed companies, the Bureau has certain responsibilities towards the general public, including the assurance of safe and efficient electricity supplies to customers and these Regulations have been produced with this primary aim in mind. Such principles are common practice in Abu Dhabi and were adopted in previous documents, including the first Wiring Regulations issued by the old Water and Electricity Department WED in The Regulations also take account of the physical environment in Abu Dhabi and the skills and language diversity of the region.

These Regulations were first published in as the Electricity Wiring Regulations and were effective from 1 January The Bureau subsequently issued Revision 1 of the Regulations, which were effective from 1 January Following feedback from various parties, the Bureau issued its Third Edition of the Regulations, effective 1 March For example, [Note: this clause does not apply to Electrical Installations that have been …] Amendments: amended text is highlighted by a red margin as amended in the Third Edition, March General principles and Chapter safety requirements 3 Regulation 3.

Where any provision in these Regulations contradicts any provision in BS , the requirements, standards or specifications under these Regulations shall apply. Clause 3. Other international standards may be used, in particular where none are specified in these Regulations, with the prior approval of the Distribution Company and the Bureau.

The Distribution Company shall ensure that any such specifications or requirements Third Edition are consistent with these Regulations, unless otherwise approved by the Bureau. Amendments incorporated in Revision 1 of the Regulations are effective from 1 January Amendments incorporated in this Third Edition of the Regulations are effective from 1 March Regulations and clauses are mandatory. Notes which are included below clauses, in italic text, are for guidance, clarification or provide supporting technical information.

Such locations include, but are not limited to apartments, villas, offices, shops, warehouses, hotels, commercial complexes, leisure complexes, public buildings, parks, farms, temporary Electrical Installations, entertainment arenas, construction sites, tents, outbuildings, caravans, street lighting, and traffic signs.

In such cases, evidence of compliance with such requirements or standards must be provided to the relevant Distribution Company. References to British Standards or other standards means the current edition of the standard cited or its replacement.

Any such failures will be addressed in accordance with the Law under Article 65 5 notices served by the Bureau and Article 66 failure to comply and imposition of fines. Action may be taken against any Distribution Company, Customer, Owner, Licensed Contractor or other person to which these Regulations apply. Such requests may be referred to a dispensation panel established for such purpose by the Bureau. This does not preclude any party referring a matter to the relevant Court of Abu Dhabi.

Terms in common use are not defined here and normal dictionary definitions apply e. Words and expressions other than those described in this section, which are defined in the Law, shall have the meanings ascribed to them in the Law.

Words using the singular or plural number also include the plural or singular number, respectively. Such a distance may be taken as 2. See Appendix A18 b.

See Guidance note G2. Fixed or portable electrical Appliances are not considered part of the Electrical Installation, although these Regulations do include requirements for the connection of Appliances e. This will normally be at or close to the Connection Point. Such locations include, but are not limited to, apartments, villas, offices, shops, warehouses, hotels, commercial complexes, leisure complexes, public buildings, parks, farms, temporary Electrical Installations, entertainment arenas, construction sites, tents, outbuildings, caravans, street lighting and traffic signs.

The following are related definitions: a a. The seriousness of impact of Touch Voltage on a person will depend on the body resistance and the immediate surroundings, in particular the presence of water. See Guidance note G4 h and G5 b. The Distribution Company shall ensure that any such specifications or requirements are consistent with these Regulations, unless otherwise approved by the Bureau. Details of the design must be submitted, together with appropriate calculations and wiring diagrams, using the standard symbols shown in Appendix A Any such approval, including as to the form of undertaking, will be at the discretion of the Bureau and the Distribution Company.

If given, the Owner will not be required to submit details of the Electrical Installation design to the Distribution Company for prior approval. A decision by the Bureau and the Distribution Company to allow the Owner to self-certify the design of an Electrical Installation shall not have any bearing on any inspection of the Electrical Installation by the Distribution Company, and the Owner shall rectify any non-compliance identified by the Distribution Company either in the pre-energisation inspection or upon any other inspection at its own cost and within the timeframes specified by the Distribution Company or set out in these Regulations.

Work on any part of the Electrical Installation other than Final Circuits, including any Distribution Board and any items at the Electricity Intake, must be notified to the Distribution Company. In addition to the requirements detailed under the relevant sections of these Regulations, the following general safety principles shall apply.

However, the maintainability of Electrical Installations must be adequately catered for in their design and construction. See clauses 6. See example in Appendix A12 a. An overall wiring diagram showing the Connection Point s , the location and interconnection of Distribution Boards must be provided at the Electricity Intake. This warning must be written in English and Arabic, see example in Appendix A12 a.

However, parts of Final Circuits and other points of normal use may be excluded from this requirement. Voltage and frequency 4. Harmonics, voltage disturbances and power factor 4. These may include voltage fluctuations, voltage dips, voltage unbalance and harmonics, which are of a magnitude that adversely affects the Customers of the Distribution Company.

Owners will be required to install filters or other equipment to mitigate against such disturbances that are outside the permitted limits as explained in the Electricity Distribution Code. The Electricity Intake must not be located below any water services or pipes, such as mains water supply, drainage systems, storage tanks, air conditioning chillers, or other liquids or hazardous materials.

Where air conditioning is required in the Electricity Intake room, the requirement for fresh air circulation must also be 4 provided to avoid condensation. Such locks or seals will include those for metering equipment, etc. Such means of emergency isolation must be left unlocked at all times, except when locked in the open position to allow access to the Electrical Installation e.

Rising and lateral mains will normally be owned and operated by the Premises Owner. Additional detailed requirements and procedures will be provided by the Distribution Company where required.

Such devices must be located at suitable sections and Circuits so as to give effective automatic disconnection in such conditions. Replaceable or re-wireable fuse links are not permitted for this purpose. Where appropriate, an allowance may also be made for the attenuation of Prospective Fault Current due to the Circuit impedance. It should be noted that RCD devices do not protect against electric shock between phase conductors 5 or between phase conductors and neutral.

ELP devices provide a secondary means of earth fault clearance. Such a system is required to automatically disconnect the supply at a Final Circuit or at the Electricity Intake sufficiently quickly so as to prevent Danger. Voltage-operated earth leakage devices ELCB are not permitted. This requires that the device must operate within milliseconds at its residual current rating and within 40 milliseconds at 5 times its residual current rating. Such faults may cause overheating of Circuits or connections and lead to a fire.

See Appendix A5 m and Guidance note G4 e. These ELP devices should provide full discrimination between the upstream and downstream devices. A full list of applications and residual current ratings is provided in Appendix A5 m. Such instances may include Circuits supplying data centres or fire protection equipment or safety alarms not security alarms or unoccupied sites such as telecommunications stations, water pumping 5 stations, etc.

All such cases must be declared in the Electrical Installation Certificate for the site and approved by the Distribution Company. This alarm should be transmitted back to the building management system where fitted. These must be clearly stated on the Electrical Installation Certificate.

Protection [Note: an EEB system relies on the principle that all Exposed- Conductive-Parts and Extraneous-Conductive-Parts which are accessible to persons are connected to the Main Earth Terminal and therefore the prospective Touch Voltage between them is limited to a value which is safe when taking into account the operating time of the relevant Protective Device. In addition, it 5 is assumed that a person cannot be in contact with Earth whilst touching any Conductive Part in a Premises — see Guidance notes G4 b and G4 h.

See Guidance notes G4 c. For disconnection times greater than 0. An illustration of typical Equipotential Bonding arrangements is given in Guidance note G4 c. This isolation must be effective on all phases and neutral of the supply, must be clearly marked and must be located in an easily accessible position, see Guidance note G9. Such switches must be provided with a neon indicator where it is desirable to have a visual indication of the presence or absence of power e.

Such equipment may include large motors, ventilation equipment, industrial 5 machinery, etc. Emergency push switches, must be clearly marked and must be located in an easily accessible position, see Guidance note G9.

The release of the emergency switch must not automatically restart the related Appliance or machinery. Such insulation must be capable of withstanding wear and tear during normal use of the equipment. Where an Electrical Installation is supplied by overhead lines, advice should be sought from the Distribution Company or the requirements of BS — Chapter 44 may be used.

The Distribution Company system is Earthed at the distribution transformer and separate Earth and neutral conductors are used throughout the distribution network. Earth Resistance values of less than 10 Ohms may be specified by the designer for purposes such as Functional Earthing or for specialist installations such as petrol stations, telecommunications sites, etc. The use of any other 6 system of Earthing must be approved by the Distribution Company.

The type of Earthing system must be stated on the Electrical Installation Certificate and clearly labelled at the Main Distribution Board. Methods of measuring Earth Resistance are shown in Appendix A19 a. Earthing 6. The top of each Earth Electrode must be housed inside a mm x mm x mm inspection pit which is clearly labelled and accessible for routine testing, see Appendix A5 d.

Alternative types of Earth Electrodes may be used with prior approval of the Distribution Company e.

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The Electricity Wiring Regulations (Third Edition)

In addition to its duties in respect of licensed companies, the Bureau has certain responsibilities towards the general public, including the assurance of safe and efficient electricity supplies to customers and these Regulations have been produced with this primary aim in mind. The Regulations promote the installation and operation of safe electricity wiring systems in premises and are based on the general principles defined in British Standard BS otherwise known as the IET Wiring Regulations, UK , which are also similar to the International Standard IEC Such principles are common practice in Abu Dhabi and were adopted in previous documents, including the first Wiring Regulations issued by the old Water and Electricity Department WED in The Regulations also take account of the physical environment in Abu Dhabi and the skills and language diversity of the region. For example, [Note: this clause does not apply to Electrical Installations that have been ] Amendments: amended text is highlighted by a red margin as amended in the Third Edition, March Chapter Regulation Note Clause Amended text Third Edition General principles and safety requirements 3. Where any provision in these Regulations contradicts any provision in BS , the requirements, standards or specifications under these Regulations shall apply. Other international standards may be used, in particular where none are specified in these Regulations, with the prior approval of the Distribution Company and the Bureau. A list of BS and IEC standards applying to the main types of equipment is given in Appendix A The Distribution Company may issue specifications and requirements in addition to these Regulations, which will be endorsed or approved by the Bureau, and provided to interested parties on request. The Distribution Company shall ensure that any such specifications or requirements are consistent with these Regulations, unless otherwise approved by the Bureau.

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ADDC Electricity Wiring Regulations - Mar.2014

In addition to its duties in respect of licensed companies, the Bureau has certain responsibilities towards the general public, including the assurance of safe and effcient electricity supplies to customers and these Regulations have been produced with this primary aim in mind. Such principles are common practice in Abu Dhabi and were adopted in previous documents, including the frst Wiring Regulations issued by the old Water and Electricity Department WED in The Regulations also take account of the physical environment in Abu Dhabi and the skills and language diversity of the region. These Regulations were frst published in as the Electricity Wiring Regulations and were effective from 1 January

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