The Southwire's MaintenancePRO™ 23030T and 23070T clamp meters are rugged high end AC and AC/DC 1000A clamp meters for the serious electrician. With a UL listed safety rating of CAT IV 600V/CAT III 1000V, these clamp meters are built to get the tough jobs done. Kele is the leading supplier of building automation products. When you need the right product, right now, count on Kele.