No lights on Potterton Suprima 30 | DIYnot Forums

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Electrical wiring colours Wiring colours old colors label lights house blue diagram red mains regulations mean regulation suprima potterton edition regs brown older

Wiring colours cable old electrical sheathing No lights on potterton suprima 30

Electrical Wiring Colours - The Old and the New (UK) | EC4U

Electrical Wiring Colours - The Old and the New (UK) | EC4U
Electrical Wiring Colours - The Old and the New (UK) | EC4U

No lights on Potterton Suprima 30 | DIYnot Forums
No lights on Potterton Suprima 30 | DIYnot Forums