Myer hub scru-tite listing

[Dsg319]

Am I reading this correctly that even the myer hub without the “additional grounding lug” are still listed for class1 div2 and still provides and listed for grounding. I believe so.

https://assets.usesi.com/product-media/brochures/USESI_18923_brochure.pdf

 

[Dsg319]

Are they all listed for class1 div2 or just the specific hub to the right of the picture?

 

[DrSparks]

If it's the type that has teeth that dig into the metal it's good for grounding. If it has a gasket then no.

Sent from my BE2028 using Tapatalk

 

[Dsg319]

If it's the type that has teeth that dig into the metal it's good for grounding. If it has a gasket then no.

Sent from my BE2028 using Tapatalk

I know most I’ve worked with always have had the gasket on the bottom side for sealing with additional surface area wider than the gasket to make contact I assume? And the lock nut always have had small fine teeth.

 

[augie47]

Does it not depend on voltage. Hubs with no grounding means are listed as DWTT, those with grounding KDER ??.
KDER is listed for bonding 250.97 over 150 volts whereas DWTT is not