Klein Tools Dual-Range Non-Contact Voltage Tester - NCVT5A
Klein Tools Dual-Range Non-Contact Voltage Tester - NCVT5A
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Fast, safe AC voltage detection for pros. Compact non-contact tester that detects AC voltage across a broad range while the integrated laser pointer helps locate wires and trace runs in panels and junctions.
What’s Included
- (1) Dual-range non-contact voltage tester - model NCVT5A
- (1) User manual and battery (if included per supplier)
Key Features
- Dual detection range for standard and low-voltage applications
- Non-contact AC voltage sensing for safer checks without exposing conductors
- Built-in laser pointer to help trace wiring runs and pinpoint live cables
- Lightweight, pocket-ready form factor for electricians and service techs
- Clear visual indicators and audible alert for positive detection
Specifications (high level)
- Model: NCVT5A
- Voltage ranges: 70 - 1000 VAC; also lists 12 - 1000 VAC for low-voltage detection
- Function: non-contact AC voltage detection + laser pointer
- Condition: New
Use & Safety
- Use for quick verification of live circuits before work; follow standard lockout/tagout and safe work practices
- Do not rely solely on non-contact testers for troubleshooting complex faults—use alongside contact testers and meters when required
- Replace batteries promptly and verify operation on a known live source before each use
Practical, compact voltage tester built for electricians and technicians who need a quick, safe way to confirm live AC circuits and trace wiring runs.

Frequently Asked Questions
How long does it take for my order to ship?
Orders are processed within 24–48 hours (business days). You’ll receive a tracking number by email once your package is on the way.
What shipping carrier do you use?
We ship through the United States Postal Service (USPS). Delivery times vary depending on your location and the service chosen at checkout.
Can I return an item if I change my mind?
Yes, returns are accepted within 14 days as long as the product is unopened and in its original packaging. Customers are responsible for return shipping and a restocking fee applies.
Do you offer local delivery or pickup?
Yes, local delivery is available within 20 miles of Merrimack, NH on qualifying orders. Contact us for details and scheduling.
Are all products covered by a warranty?
Many products include manufacturer warranties. Warranty terms vary by brand, so please refer to the product packaging or contact us for specifics.