Archived 2016 Lapp Group International Catalog

Appendix Glossary

ÖLFLEX ® ACCESSORIES FLEXIMARK ® SILVYN ® SKINTOP ® EPIC ® HITRONIC ® ETHERLINE ® UNITRONIC ® APPENDIX

Bending cycle Number of bends repeated in the drag chain (How often was a cable actively stressed during testing or during application?) Bending radii Permissible radius for occasional or constant bending of cables. The bending radius is defined as a multiple of the cable diameter. The con- struction of the cables determines the minimum permissible bending radius, which allows it to be increased or reduced. The permissible bending radii must be adhered to when laying power lines and cables. The standard values are between 15 x D and 30 x D, depending on construction type and regulation. D is the outer diameter of the cable. (At Lapp: ÖLFLEX ® FD with 5 x D or 7.5 x D). Bending test at low temperature Cold flexibility test for cables. A cold cable is wrapped around a pin and no cracks may occur in the insulation. Bit The smallest unit for representing binary data, significance either 0 or 1. It is the basic unit for transmission information in digital systems. A byte is a group of 8 bits. Bit error rate, BER Ratio of error bits to the overall number of bits received during a spe- cific period. Blue cable Cable for intrinsically safe systems in hazardous locations. The compul- sory colour code here is blue, RAL 5015. (For Lapp, ÖLFLEX ® EB. These cable types are also available with shielding, e. g. ÖLFLEX ® EB CY, UNITRONIC ® EB CY). Braid angle Variation in degrees between the longitudinal axis and the wire routing within the braid. Braiding Arrangement of interlaced wires or threads forming part of the struc- ture of a cable. Copper wire braiding is used for screening, while braiding made of textile, plastic thread or steel wire performs support- ing or carrying, i. e. mechanical, functions. Braiding can be close or wide meshed (coverage density in percent) with different angles of twist. Breakdown This refers to electrical breakdown between two conductors or a con- ductor in water during the testing process, when the insulation can no longer withstand the constantly increasing voltage (breakdown voltage) or if a fault in the insulation results in a breakdown within a specified time at a constant voltage. Breaking load, ultimate load The product of nominal cross-section and tensile strength is the break- ing load. British Standard Wire Gauge Also known as NBS (New British Standard), SWG (Standard Wire Gauge), Legal Standard and Imperial Wire Gauge. A modified version of the Birmingham Wire Gauge, a standard from Great Britain valid for all wires. Binary Property restricted to just two values.

Broadband Transmissions in which the signals are transmitted by a high number of oscillations per second (glass fibre technology). BS Abbreviation for British Standard. Standards body for Great Britain, similar to VDE in Germany.

BSI Abbreviation for British Standard Institution – Great Britain.

Bundle Several cores or pairs that are stranded into a group and in turn make up one element of a strand assembly. Bus system The bus system is a system of cables that transmits information and data.

C Cable

Combination of several cores with protective layers (sheath) or sheath- ing of a single core. The sheathing protects the cores against all kinds of harmful influences. Cables are used to transport electric current (power cables), transmit information using an electric current (data cables) or to transfer information using light waves (light waveguide cables). The term line is also commonly used, depending on the appli- cation. It is not possible to exactly delineate the two terms. In general, the term “cable” is used for installations outside buildings. In practice, however, the terms are used interchangeably. Combination of any number of cores under a sheath. Cable carrier An assembly of linked, hinged support elements for directional, dynamic routing of all types of flexible bending power cables. Cable data The cable type file is part of the CAE software from ePLAN ® . The cable type file defines the number of cores, their colour code, the PE core and the screening for all cables. In the Lapp item master data for ePLAN ® , the cable type is assigned to the relevant item. This means that when a Lapp item is selected, each core is automatically assigned the appropriate colour code in the ePLAN ® circuit diagram. Cable gland The brand name is SKINTOP ® at Lapp. A cable gland is a device that is designed to guide a cable or an insulated conductor into a sheath and provides a seal and a restraint mechanism. It can also have other func- tions, e. g. kink prevention, strain relief, potential equalisation, earth- ing, insulation or a combination of these. Cable gland size The following sizes are currently defined in EN 60562: M 12 x 1.5; M 16 x 1.5; M 20 x 1.5; M 25 x 1,5; M 32 x 1.5; M 40 x 1.5; M 50 x 1.5; M 63 x 1.5; M 75 x 1.5; M 90 x 2; M 110 x 2. M stands for metric. Cable print Coloured marking on the outer sheath of individual elements or cables using symbols, names and other markings. Cable set-up Describes (from inside to out) the materials used for cables, their design and properties and the position of the individual elements.

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