Steph asked this question 5 years, 10 months ago:

Transformer - extension cord

Usually I have 220-110v transformers plugged directly to the wall with only one 110v item plugged into the transformer. However, I have a wall with limited outlets so my questions are;

Is it safe to plug in a German extension cord to the wall and a 75 VA transformer (connected to small blue ray) into one of the slots, along with 220 items plugged into the other slots?


is it safe to plug a large transformer to the wall and then an American extension cord to it (of course making sure the items combined don't exceed the transformer)?


thank you for your help! 



5 years, 10 months ago

Quote by Steph:

Usually I have 220-110v transformers plugged directly to the wall with only one 110v item plugged into the transformer. However, I have a wall with limited outlets so my questions are;

Is it safe to plug in a German extension cord to the wall and a 75 VA transformer (connected to small blue ray) into one of the slots, along with 220 items plugged into the other slots?


is it safe to plug a large transformer to the wall and then an American extension cord to it (of course making sure the items combined don't exceed the transformer)?


thank you for your help! 

As long as you buy a quality extension cord, and a quality transformer, you'll be fine.  Just make sure the transformer is working properly so that if you do overload it, the fuse will blow.  Have some spare fuses around.  It is far better to blow a fuse, than blow your transformer or attached equipment.  A circuit breaker is even better.  No fuse to replace.


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5 years, 10 months ago

Agree it's no problem. A standard 16A German circuit breaker can handle approx 3500 watts, so as long as there aren't a bunch of other things running on the same breaker you're OK. 75 VA (watts) is peanuts in your scenario. Similarly, as long as you don't exceed the transformer rating you'll be good to go there too.

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