Dsg319
Senior Member
- Location
- West Virginia
- Occupation
- Wv Master “lectrician”
I know to size a transformers it is from the KVA of the load.
But just a wondering question in my mind.
I know it’s crazy and random but just came to my mind while setting around...
say I have a 30KVA transformer,I know from mikeholts electrical toolbox and it’s calculations I would end up with secondary conductors sized at #3awg and a 100 secondary OCPD.
BUT say I didn’t need secondary conductors or protection and panel near that size and just had that size transformer hanging around. Would it be permitted to do such. if I only needed a 50amp panel(based on load) and conductors sized 125% of that. Would that be allowed for the secondary conductors or no?
So in a nutshell, if you were to Lower secondary OCPD can you use smaller secondary conductors based on that?
But just a wondering question in my mind.
I know it’s crazy and random but just came to my mind while setting around...
say I have a 30KVA transformer,I know from mikeholts electrical toolbox and it’s calculations I would end up with secondary conductors sized at #3awg and a 100 secondary OCPD.
BUT say I didn’t need secondary conductors or protection and panel near that size and just had that size transformer hanging around. Would it be permitted to do such. if I only needed a 50amp panel(based on load) and conductors sized 125% of that. Would that be allowed for the secondary conductors or no?
So in a nutshell, if you were to Lower secondary OCPD can you use smaller secondary conductors based on that?
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