This standard BS EN 61478:2001 Live working. Ladders of insulating material is classified in these ICS categories:
29.260.99 Other electrical equipment for working in special conditions
29.240.20 Power transmission and distribution lines
13.260 Protection against electric shock. Live working
97.145 Ladders
Is applicable to fully insulating spliced or hook ladders with extension or having a combination of insulating and conductive sections and used for live working on a.c. or d.c. electrical installations at 1 000 V and above for a.c. and 1 500 V and above for d.c. This standard concerns only ladders made of synthetic material. These ladders are used, to provide access, generally on overhead line structures and to facilitate live working, either hot stick, barehanded or a combination of both.
