A method for isolating an RC potentiometer (1) comprising the steps of: installing at least a portion of an active portion (2) of the voltage divider (1) in an inner housing (3) 3) insulated with insulating oil; Hermetically sealing the inner housing (3); Sealing the inner housing (3) in the outer housing (4); And filling the space (6) between the inner housing (3) and the outer housing (4) with insulating gas.
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