The FLUKE T5-1000 Electrical Tester is the ideal tool for electricians and electrical contractors who need a reliable and versatile tester for troubleshooting and measuring electrical systems. With its open-jaw design, it can easily and safely measure current up to 100A without breaking the circuit. It also has a compact and rugged design, making it perfect for use in tight spaces and demanding work environments. The T5-1000 can measure voltage, continuity, and resistance, making it a versatile tool for any electrical testing need. With its easy-to-read display and safety ratings, this tester is a must-have for anyone working in the electrical industry.