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Tri-Rated Wire Vs Equipment (Hook Up Wire)

Hi Guys

I have been designing hardware for electrical panels for many years now and generally have always used "TRI-RATED" wire within the enclosure, occasionally and more prevalent recently is the specification for Low Smoke Zero Halogen but what about Equipment Wire?

Has anybody used this within electrical control panels for 24Vdc control voltages, in what applications is this acceptable? I have seen machine builders use it often so therefore as they are following 60204 then is it also possible to use within Control Panels for machinery?

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0 gkenyon over 4 years ago

There is no issue with tri-rated for control panels etc. to the best of my knowledge.

BS 7671 does not apply to assemblies, and a product standard would have to be followed in any case. BS EN 61439-series is the primary standard for switchgear/controlgear assemblies. If the control panels are for Machinery as defined in the Supply of Machinery (Safety) Regulations, then BS EN 60204-1 also applies.
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0 gkenyon over 4 years ago

There is no issue with tri-rated for control panels etc. to the best of my knowledge.

BS 7671 does not apply to assemblies, and a product standard would have to be followed in any case. BS EN 61439-series is the primary standard for switchgear/controlgear assemblies. If the control panels are for Machinery as defined in the Supply of Machinery (Safety) Regulations, then BS EN 60204-1 also applies.
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Tri-Rated Wire Vs Equipment (Hook Up Wire)

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