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IEC 60246: TV Receiver Connecting Wires — CRT-Era High-Voltage Lead Standards
The Red HV Wire Inside Every CRT TV: Triple Requirements for Flame-Retardant Insulation
IEC 60246 specifies connecting wires for television receivers. The HV lead between CRT anode cap and flyback transformer carries 15–30 kV DC — insulation must simultaneously meet HV breakdown, flame retardancy, and ozone resistance.
