12470 feeds two 2500 kva transformers. Service point Line side of disconnect. So under NEC . One disconnect for both transformers or one disconnect for Each transformer?? If it was Power Co.owned they'd use one for both . But nec ???
230.200 NEC"s a start. Also another interesting Question are disconnects grounded?? If so How??By the way theses switches are outdoors. about 150 ft from transformers.