Pool light selection: AC or DC?
Differences Between AC and DC
Alternating Current (AC)
Direct Current (DC)
Differences Between AC and DC for Color-Changing RGB LED Pool Lights
AC LED Pool Lights
DC LED Pool Lights
1. DC swimming pool LED light (low-voltage DC light)
This is the absolute mainstream and recommended choice for both new swimming pool installations and renovation of old pools.
Working principle: Install a transformer in the swimming pool equipment area to convert the household 220V (or 120V) alternating current into safe 12V or 24V direct current, and then supply it to the lights in the swimming pool.
Advantages:
Safety first: Low voltage means that even if there is an electric leakage in water, it will not cause a serious electric shock accident. This is its most crucial advantage.
Energy conservation and environmental protection: LED lights are extremely energy-efficient and can save a significant amount of electricity over time.
Colorful: You can freely customize the atmosphere of the swimming pool, ranging from the serene blue to the passionate red, or use the colorful dynamic mode for parties.
Long-lasting and durable: The lifespan of LED is very long, and it can basically be maintained without maintenance for many years.
Disadvantages:
Initial cost is high: The price of the lamp itself and the transformer is higher than that of traditional AC lamps.
Required transformer: The transformer is another component that needs to be installed and occasionally maintained (though it is usually very reliable).
2. AC swimming LED Pool Light (high-voltage alternating current light)
This was the traditional technology in the past, but it has gradually been phased out now.
Working principle: It is directly connected to the 220V (or 120V) AC circuit in the home. It must be connected to a leakage protection device (GFCI) by a professional electrician, so that it can trip instantly when a minor leakage is detected, providing crucial safety protection.
Advantages:
Initial price is low: The structure of the lamp is simple and the purchase cost is relatively low.
No need for a transformer: The system is simpler.
Disadvantages:
Safety Risk: Although protected by GFCI, the high voltage electricity directly reaching the pool area remains a potential hazard. The GFCI may also fail due to aging, damage, or lack of regular testing.
Single function: Usually can only emit one type of light (traditional white yellow light).
High energy consumption: It's like a small electric stove, consuming a lot of electricity.
High maintenance: The bulbs need to be replaced frequently. Each replacement requires draining the water above the pool level or conducting underwater operations by divers, which is troublesome and costly.
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HOTOOK is a professional LED underwater pool light manufacturer. We produce a variety of AC and DC LED pool lights. If you’re interested in our products or have any questions about these two types of pool lights, please feel free to contact us.