So I kinda shot myself in the foot by purchasing a two prong wall wart to power an audio preamplifier that I designed. I forgot to consider the fact that I should ground my chassis to the earth connection via a three prong AC plug. Does anyone know a way I can ground my chassis while still using the two prong wall wart? I was considering modifying the wall wart by adding an additional discrete prong on top of it that would plug into the earth connection of an outlet. If you think that I can get away with leaving my chassis floating, please let me know as well. Thanks.
Electronic – Grounding a chassis with two prong plug
audiochassisgroundpreampwall-wart
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Best Answer
wanted to let you know that I found a solution. I cracked open the wall wart and took out the circuit. I took an AC plug and wired the live and neutral together and then used the earth connection for the chassis. Thanks for your responses