SPNO means Single Pole Normally Open

        What does SPNO stand for? Abbreviation of SPNO, definition of SPNO, Explanation of SPNO, Full forms of short form SPNO.

         We are providing world largest and most comprehensive acronyms, abbreviations directory and search engine for acronyms on the Internet. Abbreviations Finder contains more than 7 million abbreviations and acronyms. You can also search for more than 740,000 general Comprehensive words.