Old UPS transformer. 4 wire input. Only one pairing seems to work. All other combinations blow the fuses. https://t.co/H3QpX7tjjq

Personal blog of Peter "Sci" Turpin
Technology, art and personal faff
Old UPS transformer. 4 wire input. Only one pairing seems to work. All other combinations blow the fuses. https://t.co/H3QpX7tjjq
