Lisle 27430 Heavy Duty 24V Circuit Tester for Trucks and Farm Equipment

The Lisle 27430 is a heavy-duty circuit tester designed for 24-volt electrical systems commonly found in large trucks, farm implements, and other heavy equipment. This professional-grade diagnostic tool quickly tests voltage up to 28 volts, making it ideal for fleet mechanics and agricultural technicians.

Key Features:

• Tests circuits up to 28 volts for heavy-duty applications
• Heavy-duty probe, cord, and ground clamp built for demanding commercial use
• High-visibility shrink tubing insulates the probe to prevent accidental shorts
• Strain relief spring on cord prevents wire fatigue and extends tool life
• Also compatible with standard 12-volt automotive applications

This rugged circuit tester features professional-grade construction with reinforced components that stand up to daily shop use. The insulated probe design provides both safety and visibility in tight engine compartments, while the durable ground clamp ensures reliable electrical contact during testing.