What is the appropriate action for equipment found not labeled within an electrical installation?

In situations where equipment is found unlabelled within an electrical installation, removing it from service until properly labeled is the most appropriate course of action. This practice ensures safety and compliance with electrical codes and standards, which mandate that all electrical equipment be clearly identified. Proper labeling is essential for maintenance, troubleshooting, and ensuring that all individuals working with or around the equipment can identify its purpose and the risks involved.

Labeling not only facilitates safe operation by informing users of the equipment's specifications, power requirements, and potential hazards, but it also supports regulatory requirements. By taking the precautionary step of removing unlabeled equipment from service, you help prevent accidents, unauthorized access, and misuse, all of which could lead to hazardous situations.

The other choices do not prioritize safety and adherence to regulatory standards in the same way. For example, continuing use without labeling ignores the possible risks and unclear information regarding the equipment. Tagging for identification could be a temporary measure, but it does not address the core issue of having the equipment properly labeled for safe operation. Creating a temporary label may provide some immediate identification; however, it lacks the thoroughness and permanence necessary to ensure long-term safety and compliance.