The answer to 'carbon monoxide detector sparking' is that a sparking carbon monoxide (CO) detector is often a sign of an electrical issue or a malfunctioning device. This can be caused by a variety of factors, including a loose connection, a short circuit, or a problem with the internal components of the detector.
If your CO detector is sparking, it's important to address the issue right away, as a malfunctioning detector can fail to alert you to the presence of dangerous carbon monoxide levels in your home. In some cases, the issue may be a simple fix, such as tightening a loose connection or replacing the batteries. However, if the problem persists or you're unsure of the cause, it's best to call a professional electrician to diagnose and repair the issue.