Generators sign by __salwa_12_

/give @a minecraft:oak_sign{BlockEntityTag:{Text1:"{\"text\":\"Generator\",\"color\":\"black\",\"bold\":\"true\"}",Text2:"[{\"text\":\"Iron\",\"color\":\"white\"}]",Text3:"[{\"text\":\"Level 2\",\"color\":\"black\"}]",Text4:"[{\"text\":\"Right Click\",\"color\":\"white\"}]"}}