On 10/07/2011 15:38, John Rumm wrote:
On 10/07/2011 10:21, Matty F wrote:
On Jul 9, 9:54 pm, John wrote:

I think wooden ones are worse in that respect than a decent box section
ali one. Still not that many extending wood ladders in use these days it
seems.

I use wooden ladders most of the time when climbing around near bare
overhead wiring while the power is on. Tower trucks have wooden
extension ladders. However they are bolted to the truck, which weighs
about 5 tons.

Fibreglass is the new wood for folks working near power lines etc...

.... but even heavier.

Colin Bignell