Your company provides testing services that help customers identify and resolve performance issues with their software and e$-$commerce sites before they go live. To perform accurate testing, a large number of computers are required, sometimes numbering in the hundreds.

Recently, you have noticed that the lights in the testing lab seem dimmer than normal and sometimes flicker.

Which of the following electrical terms BEST describes the condition you are most likely experiencing?

Power spike

Brownout

Blackout

Power surge