Don't Mix TPS Cables and Polystyrene Insulation
As the title say "Don't Mix TPS cables and polystyrene insulation"
In my career, I saw this mistake a lot. Houseowners solve the heating problem and start an electrical problem. There is a chemical reaction between TPS cables and polystyrene when they touch each other. No problem for the polystyrene insulation but highly dangerous for the TPS cable that becomes brittle and turns to a fire hazard. It's possible to have a visual check, as in the picture, it's visible the cable has already started to notch a hole on the polystyrene meaning that the TPS cables are or will be chemically damaged and have to be replaced. An option for the replacement is a non-migratory TPS, known as Blue TPS or removing the polystyrene and replacing for another insulation type and reinstalling the electrical cables with a standard TPS.
Please lock at “Energy Safety - August 2017 ” link attached.
If you are not sure and you need an inspection please don't hesitate and call an electrician.
Please feel free to contact me as well.
021 909 298 Weber
Hertz Electrical Ltd
www.hertzelectrical.co.nz...
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