Amprobe UAT-620 [4994398] Underground Utilities Locator Kit w/ Signal Clamp. The Amprobe UAT620 Underground Utilities Locator Kit with Signal Clamp helps you avoid disruption with its rugged and durable construction, designed to accurately pinpoint underground utilities and buried services up to 20 feet deep. Accidentally hitting a utility line during a project can lead to costly repairs and create hazardous public safety situations. Digging in the wrong place can also lead to unnecessary delays and costs for your project, and ultimately, your company. Designed for electricians with a CAT IV 600 V rating, the locating kits come complete and ready for use with a Transmitter, Receiver, test lead kit, batteries and additional fuses, all in a mobile, protective duffle bag. The Amprobe UAT-620 kit also includes a Signal Clamp for transmitting a signal when it is not possible to make electrical contact with the cable to be traced. For applications where ground fault locating is required, use the UAT-600 Transmitter in combination with the optional AF-600 A-Frame accessory.