# ET40B Extech Detector New

**Features**

-   Detects open circuit in fuse, diodes, switch, and wires
-   Built-in 2.9" (73mm) stainless steel test probe with 4.9ft (1.5m) cable
-   Insulated alligator clip, and AAA battery

The ET40B is a voltage detector from Extech.

## Details

- **Price:** 12.99 USD
- **Vendor:** Extech
- **Type:** Detector
- **Tags:** Detector, Extech, Manufacturers, Other Equipment, product_manual_group_2, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.99 USD | In stock |

## Images

- ET40B Extech Detector

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> Source: [ValueTronics](https://valuetronics.com/products/et40b-extech-detector-new)
> Updated: 2026-05-21