> Is it acceptable to ship equipment to Europe with neutral conductors (hook > up wire) that is white, particularly if the ends are marked with the > letter 'N' ? > > It seems to me that this would be acceptable to both the Machinery > Directive and the Low Voltage Directive. Neither of these directives have > a requirement for wire color in their Essential Requirements. > > Marking neutrals in this manner conforms to NFPA-79, an appropriate, > though US National, design standard for large semiconductor manufacturing > equipment. > > Conforming to NFPA-79, I think, demonstrates adequately addressing > electrical hazards to the extent of the concern of the Machinery Directive > and Low Voltage Directive > > EN 60204 requires that neutrals be colored light blue ONLY IF COLOR IS > USED TO IDENTIFY THEM. Quoting section 15.2.3 "Where a circuit includes a > neutral conductor identified by colour, the colour shall be light > blue...". > > Note that the definitions section of EN 60204 (3.38) says that the neutral > conductor is assigned the symbol 'N'. > > This is echoed in EN60439 "Specification for Low voltage switch gear and > control gear assemblies Part 1. Specification for type-tested and > partially type-tested assemblies." section 7.6.5.2 which says in part "Any > neutral conductor of the main circuit should be readily distinguishable by > shape, location, marking or colour..." > > I would be interested to know if anyone has experiences with this issue. > > Thanks in advance..... > > Lauren Crane > Eaton Corporation > > [email protected]
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