Electrical engineering; earth, protective conductor, noisless earth; frame or chassis, class II equipment; graphical symbols on electrical equipment— 7 стр.
Reciprocating internal combustion engines; generating sets with reciprocating internal combustion engines; small power generating sets; requirements and tests— 8 стр.
Special male plugs for connecting cables and switchboards for motion-picture and television studio use; two-pole special male plug with protective contact, <Wechselstrom>250 V 25 A and <Wechselstrom>250 V 63 A— 5 стр.
Speciale male plugs for connecting cables and switchboards for motion-picture and television studios use - Three-pole special male plug with neutral and protective contact, <Wechselstrom>380 V 63 A— 4 стр.
Special sockets for use in film and television studios - Six-pole special sockets with earthing contact for special lamps up to and including 1 200 W nominal power— 7 стр.
Special female sockets for connecting cables and switchboards for motion-picture and television studio use - Three-pole special socket with neutral and protective contact, <Wechselstrom>380 V 63 A— 4 стр.
Special plugs for use in film and television studios - Six-pole special plug with earthing contact for special lamps up to and including 1 200 W nominal power— 6 стр.
Three-pole disconnectors and switch-disconnectors for indoor switchgear; rated voltage 12 kV up to 36 kV; rated normal current 400 A up to 1250 A; main dimensions— 2 стр.
Electrical engineering; earth, protective conductor, noisless earth; frame or chassis, class II equipment; graphical symbols on electrical equipment— 7 стр.
