We've got an electric strimmer with a short lead and a long garden! So I'm looking to buy an extension cable for it. Is there anything (besides length of cable! About 20m I think) I should particularly look for when buying one?

Anyone seen any good buys?

__________________
Manda.

Yet Nature is made better by no mean
But Nature makes that mean; so over that art
Which you say adds to Nature, is an art
That Nature makes.