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The ET450 Advanced Circuit Breaker Finder and Wire Tracer Kit by Klein Tools delivers professional-grade circuit and wire tracing for energized and non-energized systems. With 98% measurement accuracy, adjustable sensitivity for signal detection through walls and underground, and both audible and visual indicators, this comprehensive kit ensures efficient, reliable diagnostics. Complete with multiple adapters, batteries, and a durable carrying case, it’s engineered for the modern electrician or manager who demands precision and versatility on every job.






| Manufacturer | Klein Tools |
| Part number | ET450 |
| Item Weight | 907 g |
| Product Dimensions | 40.94 x 32.39 x 10.16 cm; 907.18 g |
| Batteries | 10 AA batteries required. (included) |
| Item model number | ET450 |
| Size | One Size |
| Colour | Multi |
| Style | Classic |
| Finish | Brushed |
| Material | Blend |
| Pattern | Kit |
| Shape | Rectangular |
| Item thickness | 4 Inches |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Measurement Accuracy | 98% |
| Display style | Reciever: LCD with Backlight |
| Specification met | [Inferred] Meets Certain Specifications |
| Included components | Advanced Circuit Tracer Kit |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
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