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How Do Cabinet Lights Work?

Published in Lighting Systems 2 mins read

Cabinet lights work by providing focused illumination in enclosed spaces, such as under kitchen cabinets or inside display cases. They utilize either mains power or low-voltage systems to achieve this.

Mains Powered vs. Low-Voltage Cabinet Lights

Here's a breakdown of how each type of cabinet light operates:

  • Mains Powered:

    • These lights are designed to operate directly at the standard voltage of your home's electrical system.
    • According to the reference, they "run at the same voltage as the rest of your home."
    • They can be wired directly into your home's electrical system or plugged into an outlet.
    • No additional power conversion is needed.
  • Low-Voltage:

    • These fixtures operate at a lower voltage than your home's standard electrical supply.
    • They require an LED driver (or power supply) to reduce the home's higher voltage to the level needed by the lights.
    • The reference highlights that they "need an LED driver to convert your home's energy to match its voltage requirement."
    • The driver steps down the voltage, ensuring the LEDs receive the appropriate power.

Key Differences Summarized

Feature Mains Powered Low-Voltage
Voltage Same as home's standard Lower than home's standard
Power Conversion Not Needed LED Driver Required
Installation Direct wiring/plug-in Requires Driver

Practical Insights and Examples

  • Installation: The way you install these lights varies based on the power type. Mains-powered lights often need to be installed by a qualified electrician, while low-voltage setups can sometimes be more DIY-friendly.
  • Safety: Low-voltage systems generally considered safer for DIY projects as they use a lower voltage, however, appropriate precautions should always be taken when dealing with electricity.
  • Energy Efficiency: LED cabinet lights are the popular choice for both mains and low-voltage applications, and they are known for their energy efficiency.

In essence, cabinet lights rely on electrical power supplied either directly from your home's mains or via a voltage-reducing LED driver to provide localized light.