VIR Spaghetti Junction

Updated: Sep 19
Vulcanised Indian Rubber (VIR) cabling is a major fire hazard still lurking in many older Edinburgh tenement stairwells. Decades of heat degradation cause VIR insulation to crumble away, leaving exposed live conductors tangled inside consumer units and junction boxes—a dangerous "spaghetti junction" waiting for a short circuit.
On a recent job, we carried out a complete system overhaul to eliminate this risk and modernize the stairwell's infrastructure:
Full Wiring Upgrade: Stripped out all degraded VIR cabling and replaced it with 1.5mm conduit cable.
Consumer Unit Renewal: Replaced outdated wire fuses with modern Miniature Circuit Breakers (MCBs) for immediate fault protection and easier maintenance.
Fitting Modernization: Installed 4 x Coughtrie LED Conversions to ensure bright, energy-efficient illumination.




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