Test rig build question

kruuth

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Going to be building a test rig. I have two questions:

Should the 120v fuses go before or after the power switch?

Next, the EMI filter I have has 2 plugs on 1 side and 3 on the other. The two say "line" and the three say "load".

Not using an isolation transformer on this one. Using a video converter.
 
You can throw the fuse before the switch, as for the filter the "line" should be your line coming in and the "load" should be whatever you are feeding. I believe the line should have the 3 terminals.
 
Fuse should always be closest to the power source as possible.
For a test rig I wouldnt even bother with the filter. If I did I would use a PC power plug socket that had one built in. Much more compact and less wiring mess. It also give you a removable plug.
 
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