AS 61534.1:2020 pdf free.Powertrack systems Part 1: General requirements (IEC 61534-1:2011+AMD1:2014 CSV (ED. 2.1) MOD).
9.7 PT systems including tap-off units intended for use with flexible cables shall be so designed that, if a flexible cable is fitted which may be moved in normal use, a cord anchorage shall be provided such that the conductors are relieved from strain by resisting the pull and twist forces on flexible cables, where they are connected to the terminals and the sheath of the flexible cable is kept in position and is protected from abrasion. It shall be clear how the relief from strain and the prevention of twisting is intended to be effected. Methods such as tying the cable into a knot or tying the ends with a string shall not be used.
Cord anchorages shall be of insulating material or, if of metal, shall be provided with an insulating lining fixed to the metal parts.
Cord anchorages shall be so designed that
a) the flexible cable cannot be released from the outside of the system component without the aid of a tool;
b) the flexible cable cannot touch the clamping screws of the cord anchorage, if these screws are accessible or electrically connected to accessible metal parts, when the system component is mounted as in normal use;
C) the flexible cable is not clamped by a metal screw which bears directly on to the flexible cable;
d) at least one part of it is securely fixed to the system component;
e) clamping the flexible cable does not require the use of a special purpose tool;
f) they are suitable for the types and dimensions of flexible cable declared by the manufacturer;
g) clamping the flexible cable is easily possible without restricting the correct re-assembly of the system component;
h) means such as screws or other fixing devices which are used when clamping the flexible cable shall not serve to fix other parts of the system component unless either
— the system component would be rendered manifestly incomplete if that part was omitted or replaced in an incorrect position, or
— that part intended to be fixed cannot be removed without further use of a tool.
I) it shall not be possible to push the flexible cable into the PT system to such an extent as would impair safety or so that the cord anchorage becomes ineffective.
Compliance is checked by inspection, manual tests and the tests according to 9.7.2 and 9.7.3 following the preparation of the sample according to 9.7.1.
9.7.1 The system component is fitted with a flexible cable of the appropriate cross-sectional area and with the minimum dimensions specified in 9.7, item f). The conductors are introduced into the terminals and the terminal screws are tightened just sufficiently to prevent the position of the conductors from easily changing. Clamping screws, if any, shall be tightened with the torque value declared by the manufacturer or in the absence of this information with the value according to Table 5.
Non-rewirable system components and their flexible cables are subjected to the test as delivered.AS 61534.1 pdf download.