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EN60204 and twin ferrules

Dave in the shed

Hi All,

EN60204 states: "The connection of two or more conductors to one terminal is permitted only in those cases where the terminal is designed for that purpose." Does anybody know whether this prohibits the use of standard twin ferrules (where two wires are crimped into a single ferrule) or whether the assembly of two wires and a ferrule is somehow considered to be a single conductor in the eyes of the standard?

Twin ferrules seem to be commonly used in machine building, often with claims of compliance with 60204. I was expecting to find some easily accessible guidance/knowledge/definitions regarding this situation but my web trawl hasn't found much.

Any wisdom will be gratefully received. Thanks.

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    Thanks for your input mapj1. Glad to hear that you're also of the same general view about this.

    It seems that the general opinion amongst those who know a bit about electrical engineering is the common sense opinion that the use of a dual ferrule is just as valid as a single ferrule (subject to the usual caveats about suitability of the terminal, wire type and so forth).

    In addition to all this wisdom I'm still keen to do some more digging to find anything more definitive (in the context of the interpretation of the standard).

    Any more knowledge out there?

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  • 0

    Thanks for your input mapj1. Glad to hear that you're also of the same general view about this.

    It seems that the general opinion amongst those who know a bit about electrical engineering is the common sense opinion that the use of a dual ferrule is just as valid as a single ferrule (subject to the usual caveats about suitability of the terminal, wire type and so forth).

    In addition to all this wisdom I'm still keen to do some more digging to find anything more definitive (in the context of the interpretation of the standard).

    Any more knowledge out there?

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