---
title: "StandardUSB::kBusVoltageDefault"
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 12.0+]
path: kernel/standardusb_tbusvoltage/standardusb_kbusvoltagedefault
---

# StandardUSB::kBusVoltageDefault

## Declaration

```occ
StandardUSB::kBusVoltageDefault = kIOUSBBusVoltageDefault
```