# Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC

Klein Tools NCVT1P is a battery-powered non-contact voltage tester pen for detecting AC voltage from 50 to 1000V. Audible and flashing LED alerts, a pocket clip, and automatic power-off suit quick checks on wiring and electrical fixtures, but the manufacturer says it is not recommended for tamper-resistant outlets.

- [Original product page](https://best-deals.pro/product/klein-tools-ncvt1p-non-contact-voltage-tester)
- [View offer](https://best-deals.pro/visit/klein-tools-ncvt1p-non-contact-voltage-tester)
- Market: US
- Language: en-US
- Currency: USD
- Brand: KLEIN TOOLS
- Model: NCVT1P
- Price: 15.97 USD
- Previous price: 19.97 USD
- Discount: 20%
- Price checked: 2026-11-12T11:49:04.855Z
- Rating: 4.6 / 5
- Reviews: 7538

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Non-contact AC voltage detection for cables, cords, breakers, lighting fixtures, switches, and wires.
- Green LED indicates the tester is operational. Red flashing LED and a beep signal detected voltage.
- Auto power-off is intended to conserve battery life.
- Compact pen design includes a pocket clip and stated 6.6-foot \(2 m\) drop protection.

## Pros

- Non-contact checking avoids direct probe contact with the conductor during the described detection use.
- Audible and visual alerts provide two ways to notice a voltage indication.
- The stated 50–1000V AC range covers the product's listed detection span.
- Included AAA batteries and automatic power-off support use without a separate battery purchase, according to the listed contents and feature claims.

## Cons

- This is a detector pen, not a numerical voltage-measuring instrument. The listing provides no displayed voltage reading.
- The manufacturer does not recommend it for tamper-resistant outlets.

## Specifications

### Identity
- Brand: KLEIN TOOLS
- Model: NCVT1P
- Style: NCVT
### Detection and indications
- AC voltage detection range: 50 to 1000V AC
- Minimum operating voltage: 50 volts
- Maximum operating voltage: 1000 volts
- Measurement type: Voltmeter
### Power and battery
- Power configuration: Battery Powered
- Power-saving feature: Auto power-off function
- Batteries listed: 2 x AAA 1.5 Volt Batteries
### Size and durability
- Dimensions listed: 5.5 x 0.72 x 1 inches
- Weight listed: 22.68 g
- Drop protection: 6.6-Foot \(2 m\) drop protection
- Upper temperature rating: 60 °C
### Other listed details
- Color: Orange/Black
- Specification met: Cat Iv 1000v

## Before you buy

- The manufacturer says not to use this tester for tamper-resistant outlets. Its green operational light and voltage alerts are indications, not confirmation that a circuit is safe to touch.

## In the box

- Instructions (Included)
- 2 x AAA 1.5 Volt Batteries (Included)
- Pocket clip (Check selected pack): The product description claims a pocket clip, but the explicit included-components list names only instructions and batteries.

## A good fit for

- Electricians or DIY users wanting a compact non-contact AC voltage check for accessible wiring, cords, switches, and fixtures.
- Buyers who prefer both visual and audible indication and a pocket clip.

## Less suited to

- Anyone needing a numeric voltage measurement or a tool recommended for tamper-resistant outlet testing.
- Users relying on this pen alone to establish that wiring is de-energized or safe to touch.

## Customer feedback

Customer feedback describes the tester as useful and reliable for electrical projects, while also reporting mixed experiences with accuracy, build quality, and voltage detection. Some users say it detects live wires well, while others report false indications or missed outlet voltage. The listed 50–1000V AC range and audible/LED alerts define its intended role, but do not resolve those reported differences or replace appropriate verification practices.
- Positive themes: Customers report that it works well and is useful for electrical projects.
- Positive themes: Some customers describe it as reliable and appreciate its safety-related usefulness.
- Negative themes: Some customers report false readings or failures to detect voltage at outlets.
- Negative themes: Some customers report build-quality concerns, including the top popping off.
- Mixed feedback: Feedback is mixed on accuracy, build quality, reliability, and voltage detection.

## Frequently asked questions

### What voltage range does the NCVT1P detect?
The listing states a non-contact detection range of 50 to 1000V AC.
### How does it indicate detected voltage?
The manufacturer describes a red flashing LED and audible beep when voltage is detected. A green LED indicates the tester is operational.
### Can it be used on tamper-resistant outlets?
The manufacturer says this model is not recommended for testing tamper-resistant outlets.
### Does it show a numeric voltage reading?
No numeric display or measurement readout is specified. It is described as a non-contact detector pen with light and sound alerts.

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## Add-ons

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## Images

![Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC — 1](https://best-deals.pro/i/IKNfAd_2ScVQs1-cU7OhLGUAcNupqW0W0eFEoMtNeaH3qr-bkmJEz9z_uKEW9zTV0RVShzoBBTrhsoRKo9lnm7v_2d-y-0myEKYYYWkW0f6wPp-Lvtk5.jpg)

![Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC — 2](https://best-deals.pro/i/jHFVTDF9ILQ-RA9n9GVZcVCT7_ikKt07mRqCtx93GcN8HaufUx6UuINVPgrXwcmhlYVTferu3233kXevDv3wLKn21zz6N9QztoWZbrjgjgHwsirvfdPm.jpg)

![Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC — 3](https://best-deals.pro/i/3DS-mW_iYnHDGUfHleO047LDat5BqdBQKgf5f9TtotJH7CzOdza3CKwgDoOCcQRFewW_SW2mvtPQXjM7mWID0ZCpuqAsknISPjIT5SFN3xioPNfxRv5w.jpg)

![Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC — 4](https://best-deals.pro/i/X7GKG8DvTNa2TO91DbEh1LeIF2-w4eAVH6kKdgCR6BQNR3q5I0BvRVl1esAdQYhz7E8-YNEIq0qNcjwshSR9z55NBALdf3ucLbl2-m5tuOC3yIb4ORgZ.jpg)

![Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC — 5](https://best-deals.pro/i/PGyli1DtR9LQ75DlGGsKAx0zZuw7FbiW-rJhGIlKYBSRVSbaRw-ygozk1OcZiDNyUGh3d1Kk6FP8Y-wt18Tf7uxoxEd6fZmiauGoN4oeQIO7OOlFnD7-.jpg)

![Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC — 6](https://best-deals.pro/i/xrvaVNLdHiZvN5qcRwVnCDV5qP6nb2gGqkQJl6K3TK9tOT1gzD67FCcRxz2Qmpg_T_fUhGEL5SWVIfekbnnqnIw7wfg_uozSk7n0vGeWVqIRxrR42lHN.jpg)

![Klein Tools NCVT1P Non-Contact Voltage Tester, 50–1000V AC — 7](https://best-deals.pro/i/noRVNrL9d4sWIfx_K9RbhEEe_RXpWTi0dlJ3SMMSOyxw4Q1xScUZVWd0N4KvAxm4JTplxQ7uJeBxzsngzX81LUKB7ESeg6WuJ9UTEcTR79MdjeJbrqeE.jpg)