Technical Library Cable Know How

Circuit Integrity EN 50200

BS EN 50200: Method of test for resistance to fire of unprotected small cables for use in emergency circuits.

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Circuit Integrity 60331-11-21

A cable sample is placed over a gas burner and connected to an electrical supply at its rated voltage.

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Acidity Level IEC 60754-2

Determination of the level of acidity of the gases, measuring PH conductivity Test is made of pelleted material.

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CM UL 1685

A steel ladder type of cable tray is 300 mm long, 76 mm wide, and 2400 mm deep.

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CMP UL 910

This is a test for Flame-propagation and Smoke-Density Values for electrical and Optical-Fibre Cables used in spaces transporting environmental air.

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CMR UL 1666

This is a fire test for determining values of flame propagation height for electrical cables that are for installation vertically in shafts or in vertical runs that penetrate more than one floor.

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CMX UL 1581 Section 1080

This test establishes the method for determining the resistance of a wire, cable, or cord to the vertical propagation of flame and dropping of flaming particles.

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Conversions

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Tensile / Elongation

IEC 60811-1-1 Tensile Strength and Elongation Test Procedure

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UV Resistant

UL 1581 - Sec 1200

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Glossary

Cable Glossary is a comprehensive collection of terms, concepts, and technical jargon related to cables, their installation, operation, and maintenance.

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Vertical Flame Spread of Vertically Bunched Wires or Cables

The various parts of IEC / BS EN 60332 specify methods of test for flame spread along cabling. It is particularly important to assess the flame spread properties of cabling since cables crossfire resistant walls, linking occupied spaces to service areas, ceiling voids, etc. Fire spread has been linked to cables in a number of major fires.

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Vertical Flame Single Wire

This test details a method of test for the assessment of the flame propagation characteristics of a single wire or cable.

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Smoke Density

The smoke density measurement taken from a material under fire conditions gives an indication of the visibility through the smoke, this is important as reduced visibility in a real fire situation makes it more difficult to escape from a fire hence increasing the threat to human life from the toxic gases, flames and heat.

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Water Immersion Test

Water resistance test is made to tell if a cable material is suitable for submersion in water. It can also be referred to as a test to determine mechanical properties of a cable sheath after water immersion. Performed toward the European standard EN 60811-50.

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