Which of the following best represents a key component in safe electrical practices?

Following lockout/tagout procedures is crucial in ensuring safe electrical practices. These procedures are designed to protect service technicians and other employees from the unexpected energization or startup of machinery and equipment during maintenance and service activities. By isolating energy sources and clearly marking them as not in use, these practices significantly reduce the risk of electrical shock, equipment damage, or accidental start-up that can lead to severe injuries or fatalities.

Lockout/tagout involves using locks and tags to identify machinery that has been de-energized, ensuring that it cannot be operated until the work is completed and all tools are removed. This creates a clear distinction between the operational state of equipment and those that are being serviced, which is often overlooked in other practices.

In contrast, using non-insulated tools could increase the risk of accidental electrical contact, overriding electrical safety devices poses a direct danger by removing crucial safety measures, and relying solely on visual inspections may miss hidden issues that could still result in dangerous conditions. Therefore, adhering to established lockout/tagout procedures is fundamental for maintaining a safe work environment when dealing with electrical systems.