Bonding between CUs

[kingeri]

Where there are two CUs next to each other, both connected to the MET with 10mm, would you bond between the two CUs as well?

 

[telectrix]

no.....

 

[kingeri]

Me neither. Just asking because I always like to follow manufacturers instructions, and the Square D I've been handed had an addendum page that stipulates to do this using 4mm......

 

[Engineer54]

Why?? There is no need too, if both CU's are connected back to the MET!!

 

[kingeri]

Why?? There is no need too, if both CU's are connected back to the MET!!

Precisely.

 

[kingeri]

Just never seen something like that with a CU. Things like this make me question myself.

 

[Engineer54]

Me neither. Just asking because I always like to follow manufacturers instructions, and the Square D I've been handed had an addendum page that stipulates to do this using 4mm......

Now what purpose would an additional 4mm interlinking earth conductor serve?? ...NONE!! lol!!

 

[kingeri]

Thanks guys, I should stop being such a loser. :death:

 

[mechelec]

Would you not be using 16mm from MET to CU earth bar ?

 

[wildgoose]

Can't resist this opportunity - "Exceptions may be if you are exporting TNCS supplies"

Here we go here we go here we go

 

[SPARTYKUS]

Surely manufacturer instructions overrule common sense.

 

[Engineer54]

Can't resist this opportunity - "Exceptions may be if you are exporting TNCS supplies"

Here we go here we go here we go

Why would that make any difference then ??

Surely manufacturer instructions overrule common sense.

Don't know about you, but commonsense should always over rule manufacturers instructions!!

Would you still bond stainless steel tables in a commercial kitchen?? Well most manufacturers still provide bonding positions, with a nice little paragraph stating their use. Same goes for S/Steel sinks etc...lol!!!

 

[kingeri]

Thanks for the responses. Moral of story - don't doubt yourself.