Redirect to:

This page is a redirect. The following categories are used to track and monitor this redirect:

From American English: This is a redirect from a term in American English spelling to an alternative spelling variation. The spelling is given by the target of the redirect.
- This template populates a subcategory of Category:Redirects from alternative spellings, so {{R from alternative spelling}} should not be used with this template.

When appropriate, protection levels are automatically sensed, described and categorized.

Voltage optimization