Fluke 1AC-II / 1LAC-II VoltAlert. All of my crew have these and we've been satisfied with them. http://ca.fluke.com/caen/products/Fluke+1ACII+VoltAlert.htm?catalog_name=FlukeCanada&Category=ELT(FlukeProducts)
Sixer
"Will it be cheaper if I drill the holes for you?"