STANDARDS FOR EQUIPMENT AND MATERIALS All electrical installations shall comply with the requirements of the Regulations. Relevant DEWA’s. DEWA’s requirements for electric installations in order to safeguard to the sixteenth edition of the IEE Wiring Regulations, British Stan-. The Electricity Wiring Regulations (Third Edition). 3. The Regulation and Dubai Electricity and Water Authority (DEWA). Dubai Municipality.

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Each distribution board shall incorporate means for isolation of mains supply in the form of either circuit breaker or incomer isolator as applicable.

A manufactured enclosure for the protection of cables, normally of rectangular cross section, of which one side is removable or hinged. The armoured cables, for underground installation shall normally be laid at 90 cm below the ground level and provided with a layer of at least 15cm impervious soil around.

Their professionalism was demonstrated at all phases of the project; from the planning, to the acquiring of legal approvals which is never a simple taskto the execution right through to delivery, every step was handled with utmost care and as the client we were always kept up to date. An over current device shall be provided in each circuit for each capacitor bank, a separate over current device shall not be required for a capacitor connected on the load side of a motor overload protective device.

Using AutoCAD all construction drawings comprising of general arrangements, wiring looping layouts, single line diagrams and load schedules are given to the worksite for the installation phase.

All terminals shall be housed in suitable recess with a splash proof removable cover. Experience regulagions two 2 years and at least three 3 Solar PV plants in: These requirements shall be confirmed in the issue of DEWA’s No Objection Certificate which shall be revalidated at the end of every six month period.

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Fluorescent lamp assessed as 1. All labels must be in both English and Arabic and of letter sizes of suit individual application.


All distribution boards shall be installed flush or surface mounted at a height not exceeding 2 meters to the top of the distribution board from the finished floor level. Adequate level of illumination shall be provided to facilitate safe operation at all time.

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Electrical connection maintaining various exposed-conductive parts and extraneous conductive-parts at substantially the same potential. Reduced demand charges Increased load carrying capabilities in existing circuits Improved Voltage Reduced Power losses in system Reduced Carbon footprint Maintenance of Capacitor Banks It is important that regular inspections are carried out to help prevent an early failure and pick-up any faults.

Re-wiring of commercial, residential and industrial buildings, offices, showrooms, warehouses, new extensions, refurbishments and conversions. Regulationss discharge circuit shall be either permanently connected to the terminals of the capacitor of capacitor bank, or provided with automatic means of connection it to the terminals of the capacitor bank on removal of voltage from the line.

The consumer’s earth electrode resistance and continuity of ECCs shall be periodically checked and maintained as above, to ensure consumer safety.


A part providing a defined degree of protection against contact with live parts from any usual direction of access. Requirements for Electrical Installations. A mechanical switching device or associated of devices intended to cause the opening of the contacts when the residual current attains a given value under specified conditions. Currently we are conducting the following low voltage testing services for our clients: The circuit wires of individual categories such as lighting, power, emergency, etc.

Sufficient space shall be provided and maintained around cable tray to permit adequate access fro installing and maintaining the cables. Apparatus forming part of the assembly shall have clearances, creepage distances and isolating distances complying with BS ENmaintained during the normal and relevant service conditions. Our employees dedicate time to understand the need and concerns of clients in order to provide them with the best solution to fulfill their need according to top industry standards.


The neutral is solidly earthed at DEWA’s substations and shall not normally be earthed elsewhere in the electrical installations. Sajeesh Saji Subscribe 0. We believe strongly in providing quality service on time and within budget while maintaining safety and cooperating with those involved.

Cable trays installed in outdoor locations, wherein the cables are exposed to the sun shall be provide with sun-shade covers, secured to the trays, with adequate ventilation and as recommended by the manufacturers. We are dedicated in our commitment to supply all our clients with a high standard of workmanship and products to complete their project.

Suitable non-conductive material enclosing, surrounding or supporting a conductor. Thermal Imaging and power logging Thermographic Surveys and Inspections Most commercial fires are the result of an electrical fault such as faulty wiring, overloaded switchboards, or just poor electrical design in the first place. This current may have a capacitive component including that resulting from the deliberate use of capacitors.

The installqtions fittings shall normally incorporated necessary battery and charger within. A current demand or 13 A shall be assumed for each 13 A switched socket outlet circuit.

Dewa LV switchgear regulations – Dorman Smith Academy

Applicants may have none or insufficient experience working on Solar PV systems. Thermal Imaging and Power Logging more. The Circuit Breakers, Bus Bars, etc. Cable selection and installation requirements as per DEWA regulations.

No socket-outlet shall be mounted within 2 meters of any water tap, wash basin or sink in a kitchen. Trunking and wiring conduit installations which are surface instlalations shall, as far as possible, have straight runs with branches at right angle only. Where switch box contains more than one insfallations, for group switching, approved switch boxes with phase barriers shall be used and labeled to indicate that Volts exist at the box.

The main Earthing Terminal.