Has it been independently tested? Does it hold any third-party approvals?
The manufacturer will conduct tests before the cable leaves their facility but it may not come to you direct from the factory door. There’s a responsibility for quality and compliance that also sits with the supplier, if only to double-check it’s all as it should be. UK Lab testing can give valuable confirmation of this, covering a broad range of tests on the constructional layers of the cable from conductor resistance to vertical flame propagation.
The certification you should look for in testing laboratories is ISO 17025 UKAS accredited – it confirms that quality and compliance testing is conducted under strictly monitored conditions, using state-of-the-art calibrated equipment, to agreed testing methodology. The testing is impartial and the results recorded.
Taking it a step further, you can look for third-party certifications such as the BSI Kitemark and the BASEC logo. These identify cables that have been subject to extensive testing and hold these recognised marks of quality. The BSI Cable Testing Verification Kitemark is one you may not know much about – testing each constructional layer against relevant British and European standards to determine the performance safety standards. The Kitemark is a trusted symbol of quality and when applied to cables shows a specific level of testing in excess of other quality assurance processes that may have already been taken.