The top of this aluminium ladder was tied off with rope to stop it moving. Unfortunately, it was tied to the building’s live electricity supply cable feeding power from the electricity pole across the street! Unlike construction wiring, overhead supply cables are not required to be fitted with devices to protect persons from electrocution.
Also note the novel method of ensuring the ladder is level.
We have 2 DVDs that raise awareness to help prevent this type of thing happening in your workplace: