04 Jun 2026
When Buying a New Lamp or Air Conditioner, Many People Forget One Important Thing
When purchasing an air conditioner, water pump, water heater, or even simply adding a new power outlet at home, most people focus on the device itself.
However, there is one component that actually determines whether electricity can operate safely and efficiently:
The cable.
The problem is that many people go to an electrical store and ask:
"I need a cable for my house. Which one is the best?"
In fact, a better question would be:
"What device is the cable for, and what are its electrical requirements?"
Because there is actually no single electrical cable that is suitable for every application. Each cable has a different purpose.
To avoid buying the wrong cable, let's get to know the 6 types of cables most commonly used in homes.
1. NYA Cable
"The cable most commonly used inside walls"
This is one of the most common types of household cables.
It is typically used for:
? Lighting
? Switches
? Power outlets
? Electrical installations inside homes
This cable has a single insulation layer and is generally installed inside protective conduits.
2. NYM Cable
"A safer and stronger version"
If NYA is the basic option, then NYM can be considered a more protected version.
It is commonly used for:
? Residential electrical installations
? Apartments
? Office buildings
? Main electrical circuits inside buildings
Because it has a thicker insulation layer, this cable is one of the preferred choices for building cables and commercial building cables.
3. NYY Cable
"The specialist for outdoor areas"
Not all cables are suitable for exposure to sunlight, rain, or humidity.
For such conditions, NYY cable is commonly used.
It is generally used for:
? Outdoor installations
? Gardens
? Garages
? Electrical connections between buildings
Its protective outer layer is stronger, making it more resistant to outdoor environments.
4. NYAF Cable
"A flexible cable that is easy to shape"
Have you ever looked inside an electrical panel and seen neatly arranged cables bending in various directions?
Many of them are likely NYAF cables.
Because they are made of multiple copper strands, these cables are much more flexible than standard cables.
They are commonly used for:
? Electrical panels
? Distribution boxes
? Electrical machinery and equipment
5. Flexible Cable
"The cable found in almost every home"
The cables used in:
? Rice cookers
? Electric fans
? Washing machines
? Televisions
? Refrigerators
are generally flexible cables.
This type of cable is designed to be frequently moved, bent, or coiled without being easily damaged.
6. Grounding Cable
"A cable that is rarely seen, but extremely important"
While other cables are responsible for carrying electricity, grounding cables are responsible for safety.
Their function is to direct leakage current into the ground, helping reduce the risk of electric shock.
They are commonly used in:
? Modern residential electrical systems
? Electrical panels
? Electronic equipment
? Electrical protection systems
Before Buying a Cable, Check These 4 Pieces of Information on Your Electrical Equipment
This is the part that is most often overlooked.
Many people go to an electrical store knowing only the name of the equipment, for example:
"I want to install a water pump."
or
"I want to install an air conditioner."
However, in order for the store to help select the right electrical cable, there are several important pieces of information that should be known first.
1. What Is the Power Rating (Watt) of the Equipment?
This information is usually written on the specification label or nameplate.
Examples:
LED lamp = 10 Watts
Water pump = 250 Watts
Air conditioner = 900 Watts – 2,000 Watts
Water heater = 1,500 Watts – 3,500 Watts
The higher the power rating (Watt), the greater the current-carrying capability required from the cable.
2. What Is the Current Rating (Ampere / A)?
Besides Wattage, another very important piece of information is the electrical current or Ampere (A).
It is usually written as:
2 A
4.5 A
10 A
16 A
Current is actually one of the key factors used to determine whether a cable size is sufficiently safe.
If possible, note the Ampere value and provide it to the electrical store.
3. What Is the Operating Voltage (Volt / V)?
In Indonesia, most homes use electricity at approximately:
220–230 Volts
However, some specialized equipment may have different specifications.
Examples of markings commonly found:
220 V
230 V
220–240 V
This information helps ensure that the equipment is compatible with the electrical system being used.
4. How Long Is the Required Cable Run?
This is often forgotten.
For example:
A power outlet is only 3 meters away from the panel.
A water pump is located 25 meters from the house.
A garden light is located 40 meters from the power source.
The longer the cable run, the more important it becomes to choose the correct cable size to minimize voltage drop and maintain equipment performance.
When Visiting an Electrical Store, Simply Prepare This Information
To avoid purchasing the wrong household cable, prepare the following information:
? Type of equipment to be installed
? Equipment power rating (Watt)
? Equipment current rating (Ampere)
? Equipment voltage rating (Volt)
? Cable installation distance
? Whether it will be installed indoors or outdoors
With this information, the electrical store can help determine the appropriate type of house cable, cable size, and installation method.
The Right Cable Makes Your Home Safer
Many people think of cables as merely accessories to an electrical installation.
In reality, cables are the "highways" through which electrical energy travels every day to power lights, air conditioners, refrigerators, televisions, water pumps, and many other household appliances.
That is why choosing high-quality cables from a trusted Indonesian cable manufacturer is not only about meeting today's electrical needs, but also about ensuring the long-term safety of your home.
The next time you buy a cable, do not simply ask:
"Which cable is the best?"
Instead, bring important information such as Watts, Amperes, Volts, installation distance, and usage location.
Because the more complete the information, the more accurately the right electrical cable, power cable, and household cable can be selected for your needs.
