This is what happens!

There is a LOT of voltage on radials

This elevated Teflon-coated radial sagged and touched the ground while transmitting. Where it touched the ground, the arcing melted/fused the earth into a hard ball of glass-like substance!

Station: 1.2Kw into Force 12 160m DXpedition Vertical with 2 elevated radials

QTH: N6BT/6 on a peninsula in San Francisco Bay for the 1998 CQ 160m CW Contest