I've seen 63A CEEforms with two earth pins.
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Pilot pins?
IIRC if the CPC is large enough i.e. 4mm copper, 10mm others then only one termination is required. It is when you go for the 2 individual protective conductors you need to have separate termination points.
IIRC if the CPC is large enough i.e. 4mm copper, 10mm others then only one termination is required. It is when you go for the 2 individual protective conductors you need to have separate termination points.
Never seen these, but useful to know. However, most datacenters have 16A or 32A ceeform per rack, standard pin configuration. In fact, most PDUs for IT euipment on this scale come pre-fitted with 32A ceeform plugs.
S
sjwkmje
Hey,
I have not seen a 16A ceeform with two earth pins for high integrity earthing. The UPS comes with a 16A ceeform to 15A IEC connector. I was planning on using 3 core SWA as it is good practice to do so in this situation. I am not sure how to comply with high integrity earthing as the MK commando switched blue 16A surface mount socket only has one earth connection inside the unit so I was planning to earth the sheath and CPC to the same earth connection. It might not be compliant but I can mention this on the forms. I don't see how I can be compliant with this when the 16A and 32A BS4343 connectors only have one earth pin.
How do they get around this in big data houses? I see PDUs with 32A and 16A ceeform connectors all the time.
Adam
I have not seen a 16A ceeform with two earth pins for high integrity earthing. The UPS comes with a 16A ceeform to 15A IEC connector. I was planning on using 3 core SWA as it is good practice to do so in this situation. I am not sure how to comply with high integrity earthing as the MK commando switched blue 16A surface mount socket only has one earth connection inside the unit so I was planning to earth the sheath and CPC to the same earth connection. It might not be compliant but I can mention this on the forms. I don't see how I can be compliant with this when the 16A and 32A BS4343 connectors only have one earth pin.
How do they get around this in big data houses? I see PDUs with 32A and 16A ceeform connectors all the time.
Adam
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It is only where the CPC is smaller than 4mm in copper or smaller than 10mm in another metal that you need to double up the protective conductor connecting into separate terminals. If you use 4mm> copper or 10mm> other metal then you only need the one connection.
Does an inverter have a high leakage current?
Does an inverter have a high leakage current?
S
sjwkmje
So natrually a 16A ceeform will comply as its =>10mm radius of copper on the earth pin. If this is not the case (I remember seeing ceeforms with a larger earth pin) then I will need to run 4mm SWA?
Adam
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