SamaDEWA
ديواDubai Electricity and Water Authority, the government utility provider supplying electricity and water to homes in Dubai.
ELCB
قاطع تسريب الكهرباءEarth Leakage Circuit Breaker. A vital safety switch that detects small electrical leaks to the ground and cuts off power to prevent electric shocks.
Circuit Breaker
قاطع الدورة الكهربائيةAn automatic safety switch in your DB board that cuts power if a circuit gets overloaded or has a short circuit, preventing electrical fires.
DB Board / Panel
لوحة توزيع الكهرباءDistribution Board. The main electrical control panel in your home where electricity is divided into different circuits, each protected by a breaker.
Grounding / Earthing
التأريضA safety backup connection that redirects excess or stray electrical currents safely into the ground, preventing shocks and equipment damage.
AC Compressor
ضاغط المكيفThe "heart" of your air conditioning system (usually located in the outdoor unit) that pumps cooling refrigerant through the coils to cool your home.
Condenser Coil
ملف المكثفThe outdoor heat exchanger coils that release heat absorbed from inside your home into the outside air.
Blower Motor
محرك مروحة المكيفThe electric motor that drives the indoor fan, blowing cooled or heated air through your home's air vents.
Smart Switch
مفتاح ذكيAn internet-connected light switch that allows you to control lights, fans, or heaters remotely via your phone, scheduling, or voice commands.
Zigbee
زيجبيA low-power wireless communication standard used by smart home devices to connect together without clogging your home Wi-Fi network.
Thermostat
ثرموستاتA temperature-sensitive controller that turns heating or cooling units (like water heaters or ACs) on and off to maintain a target temperature.
Pressure Relief Valve
صمام أمان الضغطA safety valve installed on water heaters to release excess pressure or hot water, preventing the tank from building too much pressure.
Water Hammer
المطرقة المائيةA loud banging or knocking noise in water pipes that happens when a running faucet or valve is shut off very suddenly.
Slab Tariff System
نظام شرائح التعرفةDEWA's pricing structure where the unit cost of electricity/water increases as you cross monthly usage thresholds (slabs).
Short Circuit
التماس كهربائيAn abnormal connection between two electrical wires that allows too much current to flow, causing the breaker to trip instantly.
Single-Phase Power
كهرباء أحادية الطورA standard electrical supply (typically 220V-240V in the UAE) suitable for regular household lighting, small electronics, and appliances.
Three-Phase Power
كهرباء ثلاثية الطورA heavy-duty electrical supply (typically 380V-415V in the UAE) capable of running high-power equipment like large central AC systems and water pumps.
Flush Valve
صمام الطردThe mechanism inside the toilet tank that controls the release of water to flush the bowl and shuts off once the flush is complete.
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Frequently Asked Questions (Quick Answers)
What is an ELCB and why does it keep tripping?
An Earth Leakage Circuit Breaker (ELCB) is a safety device that shuts off power when it detects electrical leakage. It keeps tripping due to faulty appliances, damaged wiring, moisture in sockets, or overloaded circuits.
What is the difference between single-phase and three-phase power in Dubai?
Single-phase power (220V-240V) runs standard home lighting and appliances. Three-phase power (380V-415V) provides more power and is used to run heavy equipment like central AC units, water pumps, and large villas.
How does a dirty condenser coil increase my DEWA bill?
A dirty AC condenser coil cannot release heat efficiently. This makes the compressor work much harder and run longer to cool your home, consuming significantly more electricity and inflating your DEWA bill.