When is it NOT advised to clip yourself to a cherry picker using a restraint lanyard?

Clipping yourself to a cherry picker using a restraint lanyard is not advised when you are working over, or near to, deep water because there are significant risks involved in such scenarios. If a fall occurs, being clipped to the cherry picker can prevent you from entering the water correctly or can cause entrapment, complicating rescue efforts. When working near water, it's crucial to have means of rapid rescue available without the lanyard posing further danger.

In contrast, while the other situations also present unique hazards, they do not carry the same potential for drowning or entrapment as working over water does. Working on flat surfaces may present a lower risk of falls, and while windy conditions and proximity to electrical lines are important to consider for safety, they do not inherently carry the same inherent life-threatening risk that being near deep water does when attached to a cherry picker.