Tripp Lite Is-1000 Isolation Transformer,120Vac $1,029.43 https://www.ebay.com/itm/313941691778?hash=item4918620d82:g:…
Tripp Lite Su16000Rt4Upm $4,768.75 Tripp Lite https://www.ebay.com/itm/234054011278?hash=item367eb4c98e:g:…