22593-1

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The 22593-1 Standard is a collective term for the assessment of a variety of aspects to ensure that a cable is able to perform in its desired application field. It offers protection from hazards such as impact, voltage, and strain, as well as providing guidance for good engineering practices. This standard is widely used in permanent high-voltage electrical and telecommunication applications. It will also prove beneficial to cable manufacturers, installers, and users in providing the requisite level of safety.

The application field for cables assessed to the 22593-1 Standard covers a wide range of uses, including permanent electrical installations in domestic, commercial and industrial environments. It is also suitable for telecommunication cables which are exposed to the environment. This standard provides a general guide to safety and performance requirements, supplemented by product and system specific requirements.

When it comes to working principles, the Standard ensures that cables are able to perform in their required applications and the same assessment criteria will be used to verify this. Some of the aspects which need to be tested include mechanical strength and impact, voltage tests, and strain relief. Cables will need to endure mechanical impacts which, if not protected correctly, may cause failure of the cable or equipment. Voltage tests ensure that increased electric stress does not lead to deterioration of the insulation or physical breakdown of the cable.

The life expectancy of cables should be taken into consideration when selecting the appropriate cable for a specific application. The number of times a cable can be flexed and bent in its lifetime will need to be tested to the 22593-1 Standard. The grade of the cable will also need to be considered, with different grades offering evidence of varying degrees of pull strength and tensile strain resistance. This will help to avoid any damage which may be caused to the cable when being fitted.

Cables need to be protected against water penetration. It is essential they are impervious to any moisture if the cable is to be used in an external application. The mantle of a cable has been subjected to comprehensive tests to ensure it is effectively sealed against water penetration. The tests specified in the 22593-1 Standard ensure a consistent level of quality, helping to ensure safe installation and trouble-free operation.

Safety is also an important factor when considering the selection of a cable. Tests are required to ensure that the cable is safe to operate with its associated equipment. Tests such as the Surface Temperature Test are carried out to check the level of heat generated. This is important as certain materials when exposed to high temperatures can become extremely hazardous.

The 22593-1 Standard also covers the testing of the cable jacket for fire resistance and fire retardancy. The burning behaviour of the flame should be assessed and any hazardous substances released due to burning should be minimized. This helps to ensure that any cables installed have the requisite fire resistance to ensure a safe environment.

In conclusion, the 22593-1 Standard provides a comprehensive assessment of a variety of aspects to ensure that a cable is able to deliver in its desired application field. It is a widely adopted and respected standard that helps to provide the required safety and reliability when selecting cables.

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