Step-down transformers are designed to reduce the voltage coming from a wall outlet from 240/220 volts to 120/110 volts. You won’t need them in the US as it is a 110-volt country. However, you will find these transformers necessary when you go to 240-volt countries in Europe, South Africa, Asia, and Australia.
These days, 5000-watt transformers are more reliable than ever. However, even the best models from the most trusted manufacturers can still malfunction and put equipment, properties, and even lives in danger. Here are some safety practices to keep in mind whenever you are using step-down transformers.
1. Check the voltage requirement of appliance
before plugging it into the transformer.
A step-down voltage transformer can only power up 110/120 volts appliances and electronics. You shouldn’t connect any 220v appliance to it.
2. Compute the total wattages of your appliances and devices.
A 5000-watt step-down transformer can provide power for many household appliances and devices. Nevertheless, you should still need to be careful so that you won’t overload your transformer. The general rule is to pick a transformer with a watt rating that is 25% higher than the total wattages you need.
3. Research the plug and socket types of the country you are going to.
Some step-down transformers from the US have plugs that are not compatible with the 220v wall sockets of other countries. Therefore, you need to find out the plug and socket types used in the country you are visiting or moving to. But if your voltage transformer already comes with universal adapters, then you don’t need to buy the plugs separately.
4. Don’t plug a damaged appliance to the transformer.
This will increase the chances of short circuits and possibly damaging other devices connected to the transformer.
5. Don’t place a transformer near flammable materials.
Don’t place it or any appliance plugged into the transformer near the curtains or carpets or any flammable materials to prevent fire.
6. Don’t repair transformers on your own.
If your step-down transformer gets damaged, do not try to repair it on your own. Bring it to an expert or replace it instead. If you bought this transformer from a reliable store, then you can still return or exchange it as long as you do it within the warranted time.
http://ezinearticles.com/?Precautions-For-The-Safe-Operation-Of-Step-Down-Transformers&id=9673185
https://www.bombayelectronics.com/pages/voltage-converter-guide
http://www.voltagesuperstore.com/choosingrightconv
