Assertion: cable's wire | /r/HasProperty | separated by a band of insulation
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text: Twin-lead cable--the two wires separated by a band of insulation that used to be the most common way to hook up a TV antenna--is a 300 ohm balanced line, also unsuited for home video interconnection, and if you need to hook a 300 ohm antenna line to a 75 ohm video jack, or a 75 ohm antenna line to an old two-screw antenna connection on your TV, you'll want a little impedance transformer/balun, readily available at any electronics shop, to link the two properly.