Repairing household electrical wiring involves potential risks of electric shock and fire. If you do not have relevant experience, it is strongly recommended that you ask a professional electrician to handle it. Here are some safety tips: 1. **Disconnect the power**: Before performing any electrical work, make sure to turn off the power to the relevant circuit and use a tester to confirm that the power is indeed disconnected. 2. **Use the right tools**: Make sure you are using the right tools for electrical repairs and understand how to use them correctly. 3. **Follow electrical codes**: Different regions may have different electrical codes and regulations. Make sure your repair work meets local requirements. 4. **Inspect for damage**: If you find obvious damage to the wires, a burning smell, or other abnormal conditions, avoid repairing them yourself and contact a professional as soon as possible. Repairing electrical wires yourself can pose serious safety hazards. For the safety of you and your family, it is best to have a licensed electrician complete these tasks.