4mm cable VS serious power

Im not going to get into a discussion as to the good and bad of risk management, but the fact is that this is how events, licensing and the law works. 

If someone climbs your stack and injures themselves or someone else then you could be held responsible if you did not take all reasonable steps to prevent them. Unfortunately we don’t work with the principals of common sense or personal responsibility any more. 

If and when something goes wrong and you did not do all you reasonably could do then not only do you have to stand in the dock, but also live with the consequences of someone being hurt or worse. Again, i cant tell anyone else what they should do but personally i cant and wont work like that. The job is done properly or not at all. 

Chances are however that the occasions where this is actually the case are going to be limited, and it’s more likely that someone hasn't assessed the risks correctly. Of course if you are providing a service then you also have a duty of care to operate in a safe manner, and would be held responsible regardless of if someone else had not done their job properly.

Unfortunately you have to think defensively and look at what could go wrong, or risk the consequences. Over my many years in the industry I have had to defend two, very minor, very spurious injury claims, and on both occasions the fact that we had crossed every T and dotted every i allowed us to successfully defend ourselves from the ambulance chasing lawyers, who then went over the next poor sod who had not done their  paperwork. Im not saying it’s going to happen but it can and does and is worth careful consideration 

Are you talking to CSG?

If so I'm not sure how you reach that conclusion from what he wrote above?

If we had an amp rack by each stack, there's a chance someone could throw a pint of beer over it, either accidently or maliciously

My longest cable is 35m

With a trench dug up like this!