Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
-
Electrical spacing requirements
Does anyone have a table for low voltage spacing requirements in air? How close can a 3 ampere, 30 volt conductor be to ground? Thank you!- m1ckvb
- Thread
- Replies: 2
- Forum: Electronics Packaging engineering
-
Excel and "Date" usage with formula
I have an excel spreadsheet that I use the "now date" function to set up a cell as to whatever today's date is, hence it changes every day. Then I have another set of cells with dates in them monthly. What I want to do is use an if then else type statement so that then the cells with the typed...- m1ckvb
- Thread
- Replies: 3
- Forum: -Engineering spreadsheets
-
hermetic sealing of glass and metals
I have a few questions about problems with hermetically sealing glass to metal. What tolerances should be applied for initial spacing between the glass and the metal? What is the best method to prevent the glass from cracking? How important is the furnace temperature in the sealing process...- m1ckvb
- Thread
- Replies: 4
- Forum: Metal and Metallurgy engineering
