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Unread 23-09-2014, 15:06
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Alan Anderson Alan Anderson is offline
Software Architect
FRC #0045 (TechnoKats)
Team Role: Mentor
 
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Re: Looking for slip rings and distributors

Regarding Mercotac "slip rings":

Quote:
Originally Posted by Joe Ross View Post
Per Q/A, they were legal in 2006, 2009, and 2011, and illegal in 2010. The reason for them being illegal in 2010 was not because of mercury, but because any type of slip ring was not legal in 2010. There have been no relevant Q/As since 2011.
They passed inspection in 2008 without any concerns being communicated to our team by any inspectors, and even contributed to the TechnoKats' being awarded the Industrial Design Award at the Boilermaker Regional.

I rarely disagree with Al, but in this case I think his objection is too strong. In my opinion, the hazard of contained mercury-wetted contacts is akin to the hazard of sealed lead-acid batteries. Of course, it's his opinion that counts when determining legality of components, not mine.