Why is electronics fine when places under oil but not on water?

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So I’ve seen some videos before where they literally put entire pc builds in oil and some machines work under oil (although I forgot what machines are those)

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27 Answers

Anonymous 0 Comments

Because oil is an isolator just as air is, but water is not.

That being said, not all electronics are fine with being submerged in oil or any other liquid regardless of conductivity. Specifically there is problem with high frequency signals, oil has different dielectric constant than air so that can screw up impedance matching on sensitive signals.

Anonymous 0 Comments

Apart from the conductivity issue mentioned by others, water is the best solvent there is. It will chemically dissolve or corrode the electronic parts and connectors causing irreparable damage. The effect will be enhanced if there are electrical currents flowing through the water.

Anonymous 0 Comments

Apart from the conductivity issue mentioned by others, water is the best solvent there is. It will chemically dissolve or corrode the electronic parts and connectors causing irreparable damage. The effect will be enhanced if there are electrical currents flowing through the water.

Anonymous 0 Comments

Apart from the conductivity issue mentioned by others, water is the best solvent there is. It will chemically dissolve or corrode the electronic parts and connectors causing irreparable damage. The effect will be enhanced if there are electrical currents flowing through the water.

Anonymous 0 Comments

I’ll go with the the consensus that oil is a much poorer conductor than water, and so circuits are much more likely to work in oil than water.

It should be noted that oil has a higher dielectric constant than air, so it is possible (if not particularly likely) that some high frequency circuits may operate incorrectly if immersed in oil when designed for use in air.

Anonymous 0 Comments

I’ll go with the the consensus that oil is a much poorer conductor than water, and so circuits are much more likely to work in oil than water.

It should be noted that oil has a higher dielectric constant than air, so it is possible (if not particularly likely) that some high frequency circuits may operate incorrectly if immersed in oil when designed for use in air.

Anonymous 0 Comments

I’ll go with the the consensus that oil is a much poorer conductor than water, and so circuits are much more likely to work in oil than water.

It should be noted that oil has a higher dielectric constant than air, so it is possible (if not particularly likely) that some high frequency circuits may operate incorrectly if immersed in oil when designed for use in air.