Panel/Switchgear Yellow Electricity Warning Labels

mapj1:

Though I'd have to say I do not like it - as for a long time we used to put  put 400V (or 415V or 440V depending who did it) on boxes with 3 phases where the phase to phase voltage was 400, so you could get similar labels on both cases, and possible confusion in an old building.

I do prefer to see the star/delta voltages  so 230/400 or 400/690 or 690/1200 (this last not seen in the UK to my knowledge, only seen once in  a large German Factory myself, along with Achtung Hochspannung Lebensgefahr labels ) as it is less ambiguous, though I agree it is not what the modern standards request.

 

mapj1‍ 


I take it those labels where the phase to phase voltage was 400 were being applied as part of a client request and not ‍a requirement of some BS standard ?

mapj1:

Though I'd have to say I do not like it - as for a long time we used to put  put 400V (or 415V or 440V depending who did it) on boxes with 3 phases where the phase to phase voltage was 400, so you could get similar labels on both cases, and possible confusion in an old building.

I do prefer to see the star/delta voltages  so 230/400 or 400/690 or 690/1200 (this last not seen in the UK to my knowledge, only seen once in  a large German Factory myself, along with Achtung Hochspannung Lebensgefahr labels ) as it is less ambiguous, though I agree it is not what the modern standards request.

 

mapj1‍ 


I take it those labels where the phase to phase voltage was 400 were being applied as part of a client request and not ‍a requirement of some BS standard ?