Buzz Kill: Here’s Why High-Voltage Power Lines Make Noise

If you have worked on—or walked under—high-voltage power lines, odds are you have heard a buzzing noise coming from the lines. Most people, however, do not know what causes this noise. Is it static discharge? Vibration from a 60-cycle field? The high-voltage experts at North Central Electric are here to spill the secrets, so you  … Read more

How to Make Sure Your Cable Insulation is of the Highest Quality

As with all electrical equipment, you want to make sure your cable insulation is performing its job. Not knowing if your cable insulation is up to par can lead to inefficiency with your equipment and a potentially dangerous situation for your employees—that’s why the engineering experts at North Central Electric are here to help! Here’s  … Read more

How To Safely Handle SF6 Gases

When it comes to handling gas, safety should always be your top priority. Sulfur hexafluoride, or SF6, is a colorless, odorless, non-flammable, extremely potent greenhouse gas and is an excellent electrical insulator. Although it is not a toxic gas, exposure to pure SF6 gas can cause suffocation, eye irritation, skin rashes and chemical burns. North  … Read more