



⚡ Power up your diagnostics with OTC’s heavy-duty precision!
The OTC 3634 Heavy-Duty Straight Cord Circuit Tester is a professional-grade handheld tool designed to test 6 and 12 volt electrical systems. Featuring a durable 12-foot coiled cord, ergonomic clear handle, bright replaceable red bulb, and a heavy-duty stainless steel insulated probe, it delivers reliable detection of shorts, grounds, and open circuits. UL certified and built for longevity, it’s the essential tester for any serious electrical troubleshooting.





| Brand | OTC |
| Power Source | Corded Electric |
| Style | Handheld |
| Color | Red |
| Item Weight | 1 Grams |
| Item dimensions L x W x H | 3.35 x 9.55 x 1.75 inches |
| Min. Operating Voltage | 6 Volts (DC) |
| Specification Met | UL |
| Measurement Type | Voltmeter |
| UPC | 731413505775 |
| Manufacturer | OTC |
| Global Trade Identification Number | 00731413505775 |
| Model | 3634 |
| Item Weight | 0.035 ounces |
| Product Dimensions | 3.35 x 9.55 x 1.75 inches |
| Item model number | 3634 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 3634 |
| Voltage | 12 Volts |
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