There are several methods to clean insulators.
- Hand clean- De-Energized The insulator is cleaned using a hand brush. This is done de-energized.
- Hand clean Energized – A cleaning brush is attached to a hotstick and the insulator is cleaned by hand. This is typically only done for vented lightning arresters or in areas when wet/dry cleaning are not possible.
- Wet clean – This can be done energized or de-energized using a high pressure insulator washer.
- Dry clean – Can be done energized or de-energized using a dry washer.
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