BCCs - interest only Various waterproofing systems for panel screws, switches,etc Fit many manufacturers products. ___________ Sealing boots for switches, potentiometers and encoders. >=3D 100,000 actuations selection chart http://apmhexseal.com/ProdSearch_results.aspx?CID=3D14&SID=3D0 They say: *Hexseal=AE and E-Seel=AE IP66 / IP68 Rated Hermetic Panel Sealing Boots fo= r Unsealed and Sealed Toggle Switches, Pushbutton Switches, Rotary Switches and Rocker Switches.* Tough, pliable Hexseal=AE and E-Seel=AE silicone rubber boots designed for = the protection of toggle switches, pushbutton switches, rocker switches and rotary switches. Protects switch and seals its mounting hole too against harm from washdowns, salt water, lubricants, cleaning solvents, dust, dirt, grease and other harsh environmental elements. Available in clear, standard grey or black, or custom matched to panel colors for commercial, industrial, and military applications. http://apmhexseal.com/switch_boots.aspx __________________ Panel cutout sealing for waterproof switces http://apmhexseal.com/spec_sheets/panelbushingseal.pdf __________________ Self sealing screws. 'Up to 20,000 psi' !!!!!!!!!!!!!!!!! Screws have an O ring under head designed to properly seal head and panel hole. http://apmhexseal.com/self-sealing_screws.aspx O ring selection chart http://apmhexseal.com/elastomerics-chart.htm _resource _waterproof _switch --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .