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Continuously Transposed Conductors (C.T.C.)
Continuously Transposed Conductors (CTC),
in which multiple strands of conductors are wound in a row
and then covered with insulation paper and other insulating materials, maintain voltage stability and minimize power
losses due to voltage fluctuations. 
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Paper Insulated Wires
Applying insulation paper to the flat wires
prevents current from flowing between
the power supply system and the ground
to avert electrical collisions and minimize current leakage.
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Enameled Rectangular Wires
The flat wires are coated with insulation
varnish to provide a stable power source for the
conversion of electrical energy into kinetic energy. 