Estimating the remaining life of XLPE building cables through accelerated life test

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Ullah, Zia and McGinn, Calum and Routledge, Aidan and Davison, Grant and Sharpe, Tim and Atkinson, Robert and Stewart, Brian; (2025) Estimating the remaining life of XLPE building cables through accelerated life test. In: 2025 Electrical Insulation Conference. 2025 IEEE Electrical Insulation Conference (EIC) . IEEE, USA, pp. 1-4. ISBN 979-8-3315-2608-5 (https://doi.org/10.1109/EIC63069.2025.11123412)

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Abstract

This study presents estimation of the remaining lifespan of a low-voltage electric cable commonly used in building installations. The cable under investigation is a 1.5 mm² 4-core steel wire armored cable, with cross-linked polyethylene (XLPE) as the primary insulation, and polyvinyl chloride (PVC) used for the bedding and outer jacket. To evaluate the long-term performance of the cable and predict its operational lifespan, accelerated life testing was conducted under controlled thermal stress conditions. The accelerated aging data was then used to develop a life estimation model based on the Arrhenius equation, providing a practical tool to predict the remaining service life of the cable. This approach helps assess the insulation’s long-term reliability and supports proactive maintenance strategies to prevent unexpected failures in building electrical networks.

ORCID iDs

Ullah, Zia ORCID logoORCID: https://orcid.org/0000-0002-0871-7087, McGinn, Calum, Routledge, Aidan, Davison, Grant, Sharpe, Tim ORCID logoORCID: https://orcid.org/0000-0002-4275-5351, Atkinson, Robert ORCID logoORCID: https://orcid.org/0000-0002-6206-2229 and Stewart, Brian ORCID logoORCID: https://orcid.org/0000-0001-8084-573X;
CORE (COnnecting REpositories)