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Subdural electrodes made of platinum have what advantage?
Inert, stability during stim and MRI compatability
Where is the place to put a ground?
Between stim and recording electrode
Cortical grid if made of what type of metal?
Platinum
What is the electrical line frequency in Europe?
50hz
What is the electrical line frequency in the US?
60hz
How often should checks be scheduled for equipment?
At least twice a year
When is leakage current present in EPs?
Whenever the instrument is connected to a power source
To ensure electrical safety of the patient in the OR, the maxiumum leakage current should be
10 uA rms
Note 
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