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Do-It-Yourself (DIY) Question & Answer Forum
twin and earth used outside
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<blockquote data-quote="PC Electrics" data-source="post: 217527" data-attributes="member: 650"><p>For those that say t&amp;e should never be used on an outside wall, I refer you to the IEEs OSG, appendix 3, table 3A which may be found on page 106.</p><p></p><p>It is certainly true that direct exposure to natural UV (sunlight) will shorten the expected lifetime of pvc sheathed cale. It's working life, if undisturbed, should nevertheless extend well beyond 20 years even when used in this way in the UK. This is considerably shorter than its normal expected life of 100+ years when installed inside a house.</p><p></p><p>t&amp;e installed on an outside wall may be painted to help protect it from the effects of UV. I have found Plasti-Kote enamel in nut brown to be highly effective on brickwork.</p></blockquote><p></p>
[QUOTE="PC Electrics, post: 217527, member: 650"] For those that say t&e should never be used on an outside wall, I refer you to the IEEs OSG, appendix 3, table 3A which may be found on page 106. It is certainly true that direct exposure to natural UV (sunlight) will shorten the expected lifetime of pvc sheathed cale. It's working life, if undisturbed, should nevertheless extend well beyond 20 years even when used in this way in the UK. This is considerably shorter than its normal expected life of 100+ years when installed inside a house. t&e installed on an outside wall may be painted to help protect it from the effects of UV. I have found Plasti-Kote enamel in nut brown to be highly effective on brickwork. [/QUOTE]
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twin and earth used outside
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