The MaintenancePRO™ 23030T clamp meter is a rugged high end AC clamp meter. With a UL listed safety rating of CAT IV 600V / CAT III 1000V, this clamp meter is built to get the tough jobs done. Plus, added features like an easy to read 6,000 count backlit display and a built in non-contact AC voltage detector makes the 23030T the new standard in residential, commercial and maintenance clamp meters.