The Amprobe CT-400 Signal Clamp is a non-intrusive current measurement device that enables electricians and technicians to measure current in electrical circuits without the need to disconnect wires. The clamp is designed to measure AC and DC current up to 400 amps with high accuracy and resolution.

The CT-400 Signal Clamp features a rugged and compact design that makes it ideal for use in tight spaces and harsh industrial environments. The clamp's jaws are made of high-quality materials that provide excellent durability and resistance to wear and tear. The jaws are also designed to accommodate a wide range of conductor sizes, from small wires to large cables.