In article .com,
"Osprey" writes:

T&E is not good outside - it gets affected by UV in sunlight,
insulation goes brittle.

Whilst I've heard this a number of times, I have never come
across any which has deteriorated outside. I disconnected a
15 year old length last year, and it's still as good as new,
and I connected a new outside lamp to a piece which is greater
than 20 years old (possibly much greater), also just as good
as new.

--
Andrew Gabriel