Marking and instructions ..............................................................................................................21
7.1 Markings related to the incorrect connection of connectors etc. ...........................................21
7.2 Marking on power supply connections of equipment installed indoors..................................21
7.3 Marking on packing materials used inside equipment...........................................................22
7.4 Marking on low-temperature burns .......................................................................................23
7.5 Cautionary display for underground wiring............................................................................25
7.6 Marking on safety components .............................................................................................25
7.7 Identification of power supply switch positions for heating equipment with exposed
heating elements...................................................................................................................26
7.8 Marking on equipment incorporating blades .........................................................................26
7.9 Marking on hot enclosures....................................................................................................26
7.10 Marking for banning the repair of "pattern fuses" ..................................................................27
7.11 Marking related to the installation work of combustion equipment ........................................27
7.12 Marking related to carbon monoxide poisoning.....................................................................27