IEC 61386-1 Piping Systems for Electrical Installations - Part 1: General Requirements

Electric Electronic Tests

IEC 61386-1 Piping Systems for Electrical Installations - Part 1: General Requirements

EUROLAB laboratory provides testing and compliance services within the scope of IEC 61386-1 standard. This part of the IEC 61386 standard specifies requirements and tests for piping systems, including pipes and pipe fittings, for the protection and management of insulated conductors or cables in electrical installations or communication systems up to 1000 V ac or 1500 V dc.

IEC 61386-1 Piping Systems for Electrical Installations - Part 1: General Requirements

The standard applies to metallic, non-metallic and composite piping systems, including system-terminating threaded and non-threaded inlets. This standard does not apply to enclosures and junction boxes covered by IEC 670. Some duct systems may also be suitable for use in hazardous environments. In this case, the extra requirements necessary to install the equipment in such conditions must be taken into account. Grounding conductors may or may not be insulated.

Pipes and pipe fittings within the scope of this standard shall be designed and constructed in such a way that their performance in normal use is reliable and does not pose a hazard to the user or the environment.

When installed according to the manufacturer's instructions as part of a duct system, pipes and pipe fittings must provide mechanical and, where necessary, electrical protection of the insulated conductors and cables contained within. The protective properties of the connection between the duct and the duct armature should not be less than that declared for the duct system. Pipe and pipe fittings will withstand stresses likely to occur during transportation, storage, and recommended installation practice and practice. In general, compliance is checked by performing all specified tests.

The tests conforming to this standard are type tests. Unless otherwise stated, the tests should be performed at an ambient temperature of (23 ± 2) o C. Unless otherwise stated, each test will be performed on three new samples. Certain tests, such as checking dimensions, do not affect a change in the properties of the samples; therefore these samples are considered new samples and can be used for further testing.

Samples of non-metallic and composite pipes and pipe fittings shall be conditioned for at least 240 hours at (23 ± 2) °C and 40% to 60% relative humidity. All tests should be carried out immediately after general conditioning. Unless otherwise specified, samples for each test shall be in clean and new condition as in normal use, with all parts in place and assembled. After checking the dimensions and unless otherwise specified in the relevant test, the pipe fittings shall be installed with a sufficient length of pipe of the intended type. Particular attention should be paid to the manufacturer's instructions where strength is required in the assembly of the joint. When claiming similarity, the selection of representative fittings for test purposes may be agreed between the manufacturer or responsible dealer and the test station.

Where pipe inlets are part of a detachable or loose type piping joint, the split piping shall be able to be reassembled after testing according to the manufacturer's instructions without any loss of declared properties. Unless otherwise stated, three samples are sent to the tests and if the tests are met, the requirements are met.

If, due to an assembly or manufacturing defect, only one of the samples does not meet a test, this test and any previous tests that may have affected the result of the test should be repeated, as well as the required sequence on another full set of samples so that subsequent tests all comply with the requirements. Failure of a sample will result in rejection if an additional set of samples is not submitted at the same time. When submitting the first set of samples, the applicant may also submit an additional set of samples which can be used in the event a sample fails. The test station will then test the additional set of samples without further request and reject them only if another failure occurs.

When toxic or hazardous processes are used, due consideration must be given to the safety of persons in the test area. Piping systems used as an integral part of other equipment will also be tested according to the relevant standard for that equipment.

EUROLAB, with its more than 25 years of experience, state-of-the-art accredited laboratories and expert team, helps you get precise and fast results. Do not hesitate to contact our laboratory for your testing and certification requests.

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