DRI LIGHTNING was invented and developed by William R Karslo of HKH DIELECTRIC, LLC. It is the ONLY Patented Dry Bucket Liner Method and apparatus kit that meets ANSI/OSHA A92.2 Standards. DRI LIGHTNING was developed by William Karslo for field, in house and manufacturers qualification testing without water or conductive liquid making our test method one of a kind, since 2006.