BG NBNTDM4B Black Nickel 4 Gang Quad Master Touch Dimmer Switch Black Inserts

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Product description

  • Captive backed out terminal screws prevent screw loss
  • Overload protection prevents failure if you mistakenly connect your dimmer to too many lights or transformers, and will turn the lights down or off until the load is corrected
  • Silent operation - no noise when dimming
  • Manufactured to BS EN 60669-2-1

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