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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Is the Mac Mini case earthed?


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TangoCharlie

 
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Hi

I modified my Mini and added 1Gb of memory stick. It was fun stripping down the machine and putting it back together (not!).

However, when I took it apart I noticed a lot of earth tags.

My Mini is up and running now and I metred it yesterday. I was surprised that the metal casing did not appear to be earthed. I put one prong on the casing and the other on an earth source, the radiator. They were not common (ie both earthed).

Is that normal or have I re-assembled it wrongly?


I would normally expect the casing (chasis) to be earthed to stop radio interference from getting in.

Tc



Thanks,
Tc
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jhelm007

 
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Quote:
Originally Posted by TangoCharlie
Hi

I modified my Mini and added 1Gb of memory stick. It was fun stripping down the machine and putting it back together (not!).

However, when I took it apart I noticed a lot of earth tags.

My Mini is up and running now and I metred it yesterday. I was surprised that the metal casing did not appear to be earthed. I put one prong on the casing and the other on an earth source, the radiator. They were not common (ie both earthed).

Is that normal or have I re-assembled it wrongly?


I would normally expect the casing (chasis) to be earthed to stop radio interference from getting in.

Tc



Thanks,
Tc
It's been awhile since university physics, but I don't think that it maters whether the chasis is grounded or not to sheild RF interference. Sometimes chasis on electronix aren't grounded to prevent accidental shorts and discharges and such.
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