This happened to an engineer where I worked who had an analog phone with unshielded, untwisted cord exactly the length of the full-wave of the radio station. I

This happened to an engineer where I worked who had an analog phone with unshielded, untwisted cord exactly the length of the full-wave of the radio station. It's also worth noting that lightning in the area can induce massive voltage and current impulses in long, unshielded, straight conductors.