Cable sleeve
Copper cable sleeve /tinned copper acc GOST 23469.9 for connecting wires and cables with copper conductor cross sections from 2.5 up to 300 mm2 for voltage up to 35 kV. They are made of copper tubes brand M2 GOST 617-72 or other brands similar in quality M2.
Aluminum cable sleeve GOST 23469.0 for connecting wires and cables with aluminum conductors from 16 up to 240 mm2.