---
title: kIOUSBBusVoltageDefault
framework: USBDriverKit
role: symbol
role_heading: Enumeration Case
platforms: [driverkit 19.0+]
path: usbdriverkit/tiousbbusvoltage/kiousbbusvoltagedefault
---

# kIOUSBBusVoltageDefault

## Declaration

```occ
kIOUSBBusVoltageDefault
```