The fluid cell is designed with shielding to minimize electrical noise.
To reduce the electrical noise the contact points need to be pressed against the slip rings with greater force.
The system worked reliably but sometimes had problems with electrical noise in urban areas.
Suddenly there was an electrical noise as the canopy opened.
There'll be far too much electrical 'noise' for communication to be possible.
There was a sudden electrical fizzing noise and the light went dark.
Because the brushes are making/breaking connections, you get sparking and electrical noise.
There is no sparking and much less electrical noise.
An isolated ground, if installed correctly, can reduce some electrical noise.
A popular source, for example, is some sort of electrical noise.