"Edward H. Uslar" worte: > > Could someone explain to me - > > 1) How to do a 1000V Hipot Test? > a) a bare board > b) an assembled board I have an option to use individual cables which I can attach to wires I've soldered onto the board. > 2) Are there any special clearances required? > a) trace to trace > b) pad to trace > c) pad to pad I'm only familiar with UL-1950. In that standard, there's tables for pcb board constructions. The terms used are "clearance" and "creepage". If that's the standard you're building to, it'd be best to contact UL and get that standard. There's several factors that go into figuring which numbers to use. --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------