Why Do Fiber Optic Installations Increase Electrical Sensitivity?

I have received dozens of emails from people in several countries who report an increase in, or initial onset of, electrical sensitivity symptoms when high-speed fiber optic internet is installed in their neighborhood. How could this be? Isn’t wired fiber optic internet, which uses light to transmit large amounts of data at incredibly high speeds, supposed to be safer and healthier for everyone?

The issue is that fiber optic internet service does not only use light to transmit data. The high-speed fiber optic data must be converted to electrical signals before the data can be transmitted to the home on the existing copper cable or phone line DSL. Those electrical signals, which carry our internet data, are not inherently problematic because they are in a very narrow frequency range and don’t typically radiate from the cable or phone lines.

However, there can be a significant problem with the high-speed fiber optic converters out at the street (or in the home with some newer fiber systems) that create these electrical data signals. This is because the converters are not designed with low-EMI emissions in mind. Thus, their power supplies and operation can generate high amounts of wide-spectrum EMI (electromagnetic interference). This inadvertent EMI then piggybacks on the copper cable and phone lines into our homes where it can radiate from every copper wire. This EMI from the fiber optic infrastructure is a primary reason why electrical sensitivity is increasing when high-speed internet is installed in our communities.

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