Heat shrink connection set, suitable for all plastic cables used in the low voltage range. They can be laid underground, in above-ground outdoor systems as well as in indoor systems. The individual hoses are coated on the inside with a thermoplastic adhesive that melts when heated and penetrates into all uneven areas and cavities. They meet the requirements of 0278 Part 623. Inner diameter of outer hose before/after shrinking 38/12 mm, inner diameter of inner hose before/after shrinking 12/3 mm. Max. capacity: 4 x 6 - 4 x 25 mm