TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The insulation-gas further comprises at least one gas comprising nitrogen, carbon dioxide or nitrous oxide. The electrical equipment has sulfur hexafluoride (SF6) as an existing insulation gas and the step of placing comprises replacing the SF6 with the insulation gas.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: (I) is argon, trifluoroborane, hydrogen bromide, bromopentafluoroethane, chlorotrifluoroethene, trifluoroacetonitrile, trifluoromethyl isocyanate, trifluoromethyl thiocarbonyl fluoride, pentafluoro-nitroso-ethane, (trifluoromethyl-carbonyl)-difluoro-amine, hexafluoroethane, bis-trifluoromethyl-nitroxide, bis-trifluoromethyl ether, bis(trifluoromethyl)tellurium, bis(trifluoromethyl) ditelluride, N,N-difluoro-pentafluoroethylamine, N-fluoro-bis(trifluoromethyl)-amine, N-fluoro-N-trifluoromethoxy-perfluoromethylamine, fluoroformyl cyanide, 1-chloro-1-fluoro-ethene, trans-1,2-difluoro-ethene, 1,2-difluoro-ethene, cis-1,2-difluoro-ethene, 1,1,1,2-tetrafluoroethane, 1,1,2,2-tetrafluoroethane, fluoroethene, 1,1,1-trifluoroethane, methyl trifluoromethyl ether, ethene, 1,1-difluoroethane, fluoroethane, ethane, fluoro-dimethyl-borane, 1,1,3,3-tetrafluoro-1,3-dimethyl-trifluoroethene disiloxane, trifluoroacetaldehyde, pentafluoroethane, difluoromethyl trifluoromethyl ether, tris(trifluoromethyl)bismuth, tetrafluoropropadiene, tetrafluorocyclopropene, perfluoropropionyliodide, pentafluoro-propionitrile, hexafluoro-cyclopropane, hexafluoropropylene, hexafluoro-(1,3)dioxolane, octafluoropropane, perfluoromethylethylether, 1,1-difluoro-propadiene, 2,3,3,3-tetrafluoro-propene, trans-1,1,1,3-tetrafluoropropene, 3,3,3-trifluoropropene, cyclopropene, allene, 1,1-difluoro-propene, methylketene, 2-fluoropropene, 1-propene, DL-2-aminopropanoic acid, 3,3,3-trifluoro-1-propyne, 1,1,3,3,3-pentafluoro-propene, 1,2,3,3,3-pentafluoro-propene, 1,1,1,4,4,4-hexafluoro-2-butyne, 1,1,4,4-tetrafluoro-butane-2,3-dione, trifluoromethylhypochlorite, chloro-difluoro-methyl-hypoflourite, N-chloro-N-fluoro-trifluoromethylamine, chlorodifluorodifluoroaminomethane, thiocarbonyl difluoride, selenocarbonyl difluoride, trifluoroiodomethane, N-fluoro-difluoromethanimine, trifluoro-nitroso-methane, difluoro-carbamoyl fluoride, trifluoro-nitro-methane, tetrafluoromethane, tetrafluoroformamidine, tetrafluorourea, hypofluorous acid trifluoromethyl ester, trifluoromethanesulfonyl fluoride, N,N-difluoro-trifluoromethylamine, trifluoromethyloxydifluoroamine, (difluoroaminoxy)difluoromethylhypofluorite, sulfurcyanide pentafluoride, difluoro-trifluoromethyl-phosphine, hexafluoromethandiamine, perfluoro methyl silane, trifluoromethyl-tetrafluorophosphorane, difluoromethane, fluoroiodomethane, fluoromethane, trifluoromethyl-silane, methyltrifluoro silane, difluoro-methyl-silane, fluoro-methyl-silane, methylgermane, difluoroformimine, trifluoromethane, trifluoromethane thiol, N,N,1,1-tetrafluoromethylamine, difluoro dichlorosilane, difluoro chlorosilane, phosphorus chloride difluoride, chlorotrifluorosilane, hydrogen chloride, chlorosilane, carbon monoxide, carbon dioxide, carbonyl sulfide, difluoroamine, trans-difluorodiazine, cis-difluorodiazine, thionyl fluoride, trifluorosilane, nitrogen trifluoride, trifluoroamine oxide, thiazyl trifluoride, phosphorus trifluoride, germanium(IV) fluoride, tetrafluorosilane, phosphorus pentafluoride, selenium hexafluoride, tellurium hexafluoride, fluorosilane, nitrosyl fluoride, fluorine nitrate, hydrogen sulfide, ammonia, helium, hydrogen iodide, krypton, nitrogen, dinitrogen oxide, neon, nitrogen oxide, xenon (all preferred), arsenic pentafluoride, arsine, diboron tetrafluoride, diborane, perchloric acid, 2-chloro-1,1,2,2-tetrafluoroethyl ester, perchloric acid, 1,2,2-trichloro-1,2-difluoroethyl ester, trifluoroacetyl chloride, trifluoromethylisocyanide, trifluoromethyl isocyanide, trifluoro-nitroso-ethene, tetrafluoroethene, 3,3,4,4-tetrafluoro-3,4-dihydro-(1,2)diazete, (difluoroamino)difluoroacetonitrile, tetrafluorooxirane, trifluoroacetyl fluoride, perfluoromethylfluoroformate, trifluoro-acetyl hypofluorite, perfluoro-2-aza-1-propene, N-fluoro-tetrafluoro-1-ethanimine, 3,3-difluoro-2-trifluoromethyl-oxaziridine, bis-trifluoromethyl-diazene, fluoroxypentafluoroethane, bis-trifluoromethyl peroxide, 1,1-bis(fluoroxy)tetrafluoroethane, hexafluorodimethyl sulfide, 3-fluoro-3H-diazirine-3-carbonitrile, ethyne, 1,2,2-trifluoro-aziridine, ketene, (difluoro)vinyl borane, trifluoro-vinyl-silane, ethinylsilane, ethyl-difluoro-borane, methyl-methylene-amine, dimethyl ether, vinyl-silane, dimethylsilane, chloroethyne, fluoroethyne, ethanedinitrile, 1,3,3,3-tetrafluoropropyne, hexafluoro-oxetane, trifluoro(trifluoromethyl)oxirane, 1,1,1,3,3,3-hexafluoropropanone, pentafluoro-propionyl fluoride, trifluoromethyl trifluorovinyl ether, 1-propyne, cyclopropane, propane, trimethylborane, cyanoketene, butatriene, cyano-bispentafluoroethyl-phosphine, trimethyl-1,1,2,2-tetrafluoroethylsilane, methyl diborane, carbonyl bromide fluoride, chloro-difluoro-nitroso-methane, chloroperoxytrifluoromethane, carbonylchloride-fluoride, 3,3-difluoro-3H-diazirine, difluoro diazomethane, carbonyl fluoride, difluorodioxirane, difluoro-(3-fluoro-3H-diazirin-3-yl)-amine, trifluoromethylazide, tetrafluoro-diaziridine, fluoroperoxytrifluoromethane, bis(fluoroxy)difluoromethane, trifluoromethyl-phosphonyl difluoride, cyanogen fluoride, trifluoromethylphosphane, diazomethane, formaldehyde, (methyl)difluoroborane, chloromethane, methylphosphonous acid difluoride, trifluoro-methoxy-silane, methylhypofluorite, methane, methylsilane, silicon (Si)-bromo-Si,Si,-methanediyl-bis-silane, Si-iodo-Si,Si,-methanediyl-bis-silane, difluoromethylnitrite, trifluoromethanol, formyl fluoride, cyanic acid, chlorine, chlorine fluoride, chlorine trioxide fluoride, carbon oxide selenide, fluorine, difluorosilane, fluorine oxide, fluorine peroxide, sulfuryl fluoride, sulfur difluoride, phosphorus trifluoride oxide, phosphorus trifluoride sulfide, tetrafluorophosphorane, tetrafluorohydrazine, sulfur tetrafluoride, hexafluoro disiloxane, nitryl fluoride, hydrogen, hydrogen selenide, phosphorus trihydride, germanium hydride, silane, tin tetrahydride, oxygen, ozone, antimony monophosphide, disilicon monophosphide or radon. The gaseous compound is part of an azeotrope with a second gas. EXAMPLE - No suitable example given.