






🔌 Master your circuits with the CT20—because precision waits for no one.
The Extech CT20 is a compact, battery-powered continuity tester designed for electricians and cable installers. It enables single-person operation to identify and label wires up to 10,000 feet apart, featuring an 85dB beeper for clear continuity alerts. The kit includes a remote probe, 9V battery, and carrying case, making it a ready-to-go solution for efficient wire and cable testing.









| Brand | Extech |
| Power Source | Battery Powered |
| Style | CT20 |
| Color | green |
| Item Weight | 0.1 Kilograms |
| Item dimensions L x W x H | 2.2 x 1.14 x 3.6 inches |
| Upper Temperature Rating | 149 Degrees Fahrenheit |
| Measurement Type | Ohmmeter |
| UPC | 013161042406 793950000205 |
| Manufacturer | Extech |
| Global Trade Identification Number | 00793950000205 |
| Part Number | CT20 |
| Item Weight | 3.52 ounces |
| Product Dimensions | 2.2 x 1.14 x 3.6 inches |
| Item model number | CT20 |
| Batteries | 1 AA batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | 2 |
| Thickness | 1 Inches |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Included Components | Product & Instructions Guide |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Warranty Description | 1 year |
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