What Causes Electrical Noise and How Cables Can Prevent It

• Wire
• Cable
• Electrical

• 

  Garrie Nassau

  6/22/26, 11:48 AM

  If you've ever heard a buzzing speaker, experienced signal interruptions, or seen unexpected readings from electronic equipment, you've encountered electrical noise.

  Electrical noise is unwanted interference caused by nearby power lines, motors, switching equipment, or electromagnetic fields. While it may seem harmless, it can affect communication systems, control circuits, and sensitive electronics.

  Read more about  How Electrical Noise Affects Equipment

  One of the best defenses is using the right cable. Shielded control cables, instrumentation cables, and twisted-pair communication cables are designed to reduce interference and keep signals clean.

  The lesson is simple: when signal quality matters, the cable matters too.

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