3 phase power

[Pete999]

Ok, so going back to your original post, the answer is: There is nothing in the regs to say that this supply is incorrect.
If you wish to go beyond the regs then that it up to you.
How about training people not to mess with things they shouldn't mess with??

Don't cover stuff like this in the Boil in the bag courses Spoon, so it will be difficult to do what you ask, nice thought though.

 

[Deleted member 105166]

often other non engineering types have access to power connectivity (when they shouldn't)

How about training people not to mess with things they shouldn't mess with??

^^^ This is where your efforts need to be directed.

 

[Deleted member 121002]

Ok, so going back to your original post, the answer is: There is nothing in the regs to say that this supply is incorrect.
If you wish to go beyond the regs then that it up to you.
How about training people not to mess with things they shouldn't mess with??

Thats the view I took from everyones responses. I have ordered a copy of the latest IEE wiring regs (I need an upto date copy anyway) I have already (whilst this thread has been on going) spoken to my boss about improving signage and additional training for all engineering types (IT and Broadcast) as well as operators who should ask before twiddling with things they know little about. I am most grateful to the quality and variation of the responses I have had on this site. It has been most helpful.

 

[Deleted member 121002]

^^^ This is where your efforts need to be directed.

totally agree with your sentiments

 

[davesparks]

The risk is minimal, anyone who takes the lid of kit whilst 2x different phases is live is asking for trouble. The scenario could (not would) be if equipment power shares using 2x independent PSU's running from different phases. Even in this condition using switch mode psu's the effect is unlikely to cause a problem. But why take the risk, minimal as it maybe. In Broadcast and related systems (editing, post production houses etc) often other non engineering types have access to power connectivity (when they shouldn't) and this is where problems could arise. Maybe it is considered to be overkill and you could be right, but ( I use this word a lot) we take safety very seriously and make sure there is no likelihood of having mixed phases no matter that the problems of doing so is minimal, i say again, why take the risk when we dont need too.

Again you've said 'why take the risk' without describing what the risk is.

I agree that safety should be taken seriously, but overreacting to something and putting excessive signs and labels on equipment makes it more likely for people to ignore those signs or not see the ones that really are important.