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Electrical Distribution Board Installation (DB Box / Electrical panel / Electric board / Breaker Panel)

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Electrical Distribution Board Installation (Electrical panel / Electric board)

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There are two main reasons you may need electrical distribution board (DB) box services from a certified electrician in Singapore like Daylight Electrician. Firstly, you could be installing a new electrical DB box for your newly renovated home or office. Another reason could be the occurrence of constant power trips or power failures that are sometimes indicators of issues with your electrical distribution board. The electrical switch box is an important component of any home or office so you need to have it installed correctly to avoid frequent electrical wiring issues or power trips and failures in the future.

Table of Contents

How An Electrical Panel / Electrical Distribution Board Works

For those unfamiliar, an electrical panel is also called a distribution board (DB) box. In Singapore, they are often located in a cupboard inside HDB flats.

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Most homeowners usually don’t give importance to knowing how an electrical panel works, but it is essential to know such things, especially in the case of power failures and other electrical problems. Knowing about how a DB box in Singapore works will surely be beneficial to you as a homeowner in one way or another.

What Is An Electrical Panel?

As mentioned earlier, an electrical panel is also called an electrical distribution board (DB) box. However, it is not uncommon for people to also refer to it as a breaker box. It is an enclosed steel box that basically houses various circuit breakers and other electrical components that maintain the power supply in your home. The circuit breaker is there to protect the electrical wiring of your home from short circuits or electrical surges that can eventually lead to a power failure when tripped. Each electrical switch box inherently comes with an electrical capacity load for handling specific usage requirements. In case you decide to increase the load capacity, then you should add some more breaker boxes to balance the rest already present in the electrical panel.

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Where Does Power Come From?

Different supply lines that are all connected to an electrical meter box ensure that electricity flows into your house. There is also an electric board that tracks the amount of electricity used each month. The supply lines are then linked to the distribution board. With this, electricity is controlled at the distribution board by a series of circuit breakers that eventually distributes power to your home.

How Does An Electrical Panel Keeps You Safe And Secured?

When it comes to any kind of electrical work, whether it’s installation, repair, and replacement, always put your safety and security first. Housing estates in Singapore have their own standard requirements that should be closely followed. For instance, circuit breaker trips should be able to shut down the power supply during electrical problems like overloading in order to prevent fires. Additionally, wall outlets located in moist areas like kitchens and bathrooms should have ground fault circuit interrupters to effectively protect residents from electrical shocks by shutting down the electrical supply.

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More About Electrical Panels

Apart from the circuit breaker, there are other types of electrical components and parts also present in an electrical panel. Some of these are switches, fuse links, bus bars, bypass equipment, as well as a residual current detector. A bypass equipment is considered to be an effective combination of special protection components that properly protect electrical connections from electrical problems like power overloading, short circuits, etc. On the other hand, the residual current detector is there to offer proper protection against ground fault shocks and fire.

Parts of a Distribution Board (DB) Box / Consumer Unit

Every apartment has a consumer unit (CU) also known as an Electrical Distribution Board (DB) Box which serves as an electrical distribution panel. It is important to know its functions in the event you need to check for issues before a reliable electrician gets to you.

The main parts of your electrical DB box in Singapore are as follows:


1. Miniature circuit breakers (MCB) – These serve to protect the CU from sending excessive heat to the electrical system and appliances in your apartment. If there is a power surge, the MCB will trip off the power supply to your home circuit and protect it from damage. Most flats in Singapore have a double pole MCB.

2. Residual Current Circuit Breakers (RCCB) – This is the most important part of the CU and helps to protect your home and appliances from electrical circuit leakages. It also has a test button labeled “T” that you can use to turn off the circuit as a test. If you press this button and your RCCB does not go off, then you need to contact an electrician immediately.

3. Terminals – these are electrical connection points on the distribution board. Always check constantly for signs of blacking or excessive heat that may indicate damage.

Benefits of a Good Electrical Distribution Panel Installation and Regular Maintenance

There are many benefits to installing and regularly maintaining a good electrical distribution panel. Some of these include;

1. Protection against electrical shocks and electrical fires

2. Protection from an excess voltage or power surge

3. Maintenance and refitting of electrical wiring


Signs That Your Electrical Distribution (DB) Box Is Due For Repairs

Home safety is important and knowing that you do not have issues with your electrical works and wirings are critical to your peace of mind. It is essential to read up on general electrical safety tips before delving into any electrical services. Once you realise that something is not working as it should and none of the DIY tips seems to be effective, please contact a licensed electrician to assist you with electrical troubleshooting.

Here are quick checks to carry out to see if your electrical distribution board is in need of a repair:

1. First try to identify which cable provides power to the outlet or fixture

2. Try to identify where each cable goes and see if the appliances are working.

3. Reduce a load of appliances to resolve most power tripping issues.

4. If the power trips again after resetting the electrical circuit breaker, you should consider calling in an electrician to do a more thorough check.

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Choose Daylight Electrician Singapore

Daylight Electrician Singapore is the trusted electrical service provider of choice to attend to any of your electrical distribution box installation and troubleshooting needs. Our EMA licensed electricians are available on short notice to respond to your calls and be at your home or business to help you get to the root of your power trip or power failure. We also offer a quick and accurate diagnosis of your electrical problem as well as affordable pricing and permanent solutions. Browse through our range of previous electrical projects and positive feedback to see it for yourself!

WhatsApp us today at +65 8241 0032 or email us at to solve your electrical problems with the help of experienced and EMA licensed electricians.

Daylight Electrician Singapore - #1 trusted Electrician in Singapore

Daylight Electrician Singapore provides complete electrical services including our emergency electrician services. Our network of electrical workers and EMA licensed electricians are specially trained to execute all kinds of electrical repairs and works including electrical installation such as light installationceiling fan installationpower failure recovery as well as electrical wiring and rewiring. We have over 20 years of electrician experience and have done thousands of electrical works for both residential (Landed, condo, and HDB electricians) and commercial electricians. We are the highly recommended electrician in Singapore with many happy customers and reviews. WhatsApp us for guaranteed transparent and honest pricing for all your electrical needs at +65 8241 0032.

About Daylight Electrician Singapore

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Daylight Electrician Singapore provides complete electrical services including emergency electrician service in Singapore. Our network of electrical workers and EMA licensed electricians are specially trained to execute all kinds of electrical repairs and works including electrical installation such as light installation, ceiling fan installation, power failure recovery as well as electrical wiring and rewiring, power socket, electrical switches, light switches, and DB Box replacement. We have over 10 years of electrician experience and have done thousands of electrical works for both residential (Landed, condo, and HDB electricians) and commercial electricians. We are the highly recommended electrician in Singapore with many happy customers and positive reviews. WhatsApp us at +65 8241 0032 for transparent quotation and honest pricing for all your electrical needs. We offer a fast and efficient service to serve any of your electrical needs!

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