New Power Line De-icing System Developed

Engineers have invented a way to cheaply and effectively keep ice off power lines. The new proprietary technology is called a variable resistance cable (VRC) de-icing system. With only minor cable modifications plus some off-the-shelf electronics, the system switches the electrical resistance of a standard power line from low to high. The high resistance automatically creates heat to melt ice build-up or keep it from forming in the first place.

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