Marking by inscription for the identification of cores of electric cables has-hardcopy 4-point probe and Montgomery method

4-point probe and Montgomery method

BS ISO/IEC 19770 consists of the following parts

Requirements for the inspection and maintenance of electrical installations in hazardous areas for use in explosive gas atmospheres

designation and material requirements for the seam welding wheel blanks

Marking by inscription for the identification of cores of electric cables has-hardcopy 4-point probe and Montgomery method1 Scope This European Standard specifies the requirements to be met when the identification of individual cores in a cable is by inscription of numbers on to the extruded insulation of each core. The requirements apply only when called up by the particular cable standard. NOTE The requirement to use numbers for identification is often restricted by the particular cable standard to cable types havin g more than 5 cores. The procedures laid down in this