Don't clean TVs or radios with liquid or aerosol cleaners. Spilling liquids into the set is dangerous. You and your family should be familiar with where the breaker or fuse box in your home is located and be able to shut it off. Never replace an existing fuse with a larger one. By using fuses rated higher than those intended for the circuit, excessive current is allowed to flow.
Larger fuses can overload outlets and wiring and start a fire.
If all or nearly all fuses are 30-amp, there is a good chance that some are rated too high for the circuit. Replace them as soon as possible with the right size. If in doubt, have a licensed electrician come in to label the fuse sizes to be used. Cords, outlets, and switches Many electrical fires can be traced to faulty cords, outlets, and switches. Check them regularly to prevent accidents.