The answer to 'electrical repair gets hot' is that a hot electrical repair is often a sign of a serious problem that requires immediate attention. This could be caused by a short circuit, overloaded circuit, faulty wiring, or malfunctioning electrical component. Symptoms may include the repair feeling hot to the touch, sparks, smoke, or even a burning smell. This is a fire hazard and should not be ignored.
If you encounter a hot electrical repair, the best solution is to turn off power to that circuit immediately and avoid touching the area until it has cooled. Do not attempt to troubleshoot or repair it yourself unless you have proper electrical expertise and equipment. For most homeowners, the safest option is to call a licensed and insured electrician to diagnose and fix the issue properly.