An electrical fire in any installation using very high voltages (e.g. wireless, radar and sonar equipment) must be dealt with only by carbon dioxide.
Umilo wombane kuwo nawuphina umbeko osebenzi amandla ombane amakhulu kakhulu (e.g. unomathotholo, isixhobo sokubonisa inqwelo moya/inqonowa kwakunye nesixhobo sokufumana into engaphantsi kwamanzi) kufuneka usebenze nge kharbondioxide qha.