IEC 61235:1993

FOREWORD
Clause
SECTION 1: GENERAL
1 Scope
2 Normative references
3 Definitions
   3.1 Terms used in accordance with IEC 50(151)
   3.2 Terms used in accordance with IEC 410
   3.3 Definitions OF SPECIAL TERMS
4 Classification
   4.1 Mechanical category
   4.2 Electrical category
SECTION 2: TECHNICAL CHARACTERISTICS
5 Materials
6 Diameters of tubes
SECTION 3: TYPE TESTS
7 General
8 Visual inspection and dimensional check
   8.1 Visual inspection
   8.2 Dimensional check
9 Dielectric tests
   9.1 Dielectric tests before and after exposure
        to humidity
   9.2 Dielectric wet test
10 Mechanical tests
   10.1 Bending tests
   10.2 Torsion test
   10.3 Crushing test
11 Mechanical fatigue tests
   11.1 Bending test
   11.2 Dielectric tests
SECTION 4: ROUTINE TESTS AND SAMPLING TESTS
12 Routine tests
13 Sampling tests
14 Additional tests not indicated
SECTION 5: SPECIAL CLAUSES
15 Marking
16 Modification
17 Acceptance
Annexes
A Dielectric tests before and after exposure to
   humidity
B Dielectric wet test
C Mechanical tests
D Routine tests
E Sampling procedure
F Acceptance tests

Applies to insulating hollow tubes made of synthetic materials and intended for tools and equipment for work on systems operating at voltages above 1 kV. The contents of the corrigenda of July 1999 and May 2000 have been included in this copy.