It sounds like potentially a very valuable tool. I found something like that described the other day, by Fluke/Robin UK.
www.fluke.co.uk/comx/show_product.aspx?pid=117&product=INS&type=2&locale=uken “PFC, PSC Tests” look like very interesting capabilities. About 20 years ago, not knowing they were being developed elsewhere, I wanted to build a “fault-current tester” that operated as a very simple extrapolation of Ohm’s Law. A person in the business that I greatly respected told me that it was a complete waste of time and money.
Later, I was loaned a prototype briefcase-sized
Prospective Short-Circuit Current tester by an outfit in the UK— BICC Dorman Smith. Its {mid 1980’s} readings are still penciled on my house-meter box: 2,566 amperes at 0.866PF—from a 15kVA trasformer and around 70 feet of ~1/0AWG aerial triplex.
[This message has been edited by Bjarney (edited 08-25-2004).]
