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What Causes Electrical Sparks?

Posted on February 8th, 2016 by Jupiter Tequesta

When an electrical outlet begins to buzz or spark, it’s important that you act fast. Otherwise, you could end up with an electrical fire — a scary prospect for any homeowner. But before you can correct the issue, you need to understand what’s causing it.

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Here are three common causes of electrical sparks:

1. A problem with the contact blades

Oftentimes an electrical outlet will spark due to worn-out contact blades. These blades are designed to hold the prongs of an electrical plug. When they start to deteriorate, contact between the blades and the plug is compromised, resulting in a buzzing noise or spark.

2. Loose wires 

A loose wire at the terminal screw connector can also cause electrical sparks. As you plug in a device, the wire will shift, resulting in a spark. It’s also possible that the wire has been scorched or damaged, and requires stripping and re-installation.

3. Faulty connections

It’s possible that an electrical spark has nothing to do with the outlet, but rather a bad connection inside the outlet box. All connections need to be tight, and all wires must be properly insulated.

If you’ve noticed electrical sparks in one or more of your outlets, contact us right away for repair or replacement. At Jupiter-Tequesta Air Conditioning, Plumbing & Electric, we offer a variety of electrical services. Call us to get in touch:

Tequesta: (561) 747-5740
Palm Beach: (561) 626-6822
Martin: (772) 546-2822
St. Lucie: (772) 546-2822

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