Which of the following safety precautions is critical when working on automotive electrical systems?

When working on automotive electrical systems, prioritizing safety is essential, and the correct response encompasses a comprehensive approach to prevention. Each of the listed precautions plays a vital role in ensuring safety during electrical work on vehicles.

Wearing gloves is crucial as it protects hands from electrical shocks, sharp edges, and chemical exposure from battery acids. It adds a layer of safety, particularly when handling components that may carry voltage.

Disconnecting the battery is perhaps one of the most critical steps. This action prevents accidental short circuits and eliminates the risk of electric shock while working on the vehicle's electrical system. It also protects delicate electronic components from potential damage that could be caused by stray currents.

Using insulated tools is equally important, as these tools significantly reduce the risk of electrical shock and help in preventing short circuits while working on live systems. Insulated tools are specifically designed to handle electrical components safely, providing an extra layer of protection.

By implementing all these safety precautions, technicians can work more confidently and reduce the likelihood of accidents, making the collective use of gloves, disconnecting the battery, and using insulated tools indispensable when servicing automotive electrical systems.