1 kva transformer primary 240x480 secondary 120/240 jefferson 411-0071-000 Diagram transformer wiring 120 240 federal pacific primary kva type dry secondary drawing Transformer 480 wiring protection overcurrent transformers 120 volts kva volt phase wire panel secondary single rating large building table less
1 KVA Transformer Primary 240x480 Secondary 120/240 Jefferson 411-0071-000
3 kva transformer primary 277 secondary 120/240 federal pacific se271d3f
Table 450.3(b) maximum rating of overcurrent protection for
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