Oversized wire terminations

[vpower1989]

Hello all,

Running into situations where I need to run #6 conductors on 30A branch circuits feeding L6-30Rs for some network switches. Of course the 30A breaker and the L6-30R only accept up to #8 conductors on the terminals. Anyone aware of a product ( a ferrule perhaps?) that would make it possible to terminate the #6 conductors on the breaker and receptacle? The client likes to use bussmann power blocks in similar situations but these require decent sized enclosures according to the product literature. I’m wondering if there is an easier way?

 

[curt swartz]

Blue wirenuts or Polaris connectors?
What kind of network switch requires a 30 amp 240 volt supply?

 

[LarryFine]

 

[vpower1989]

Blue wirenuts or Polaris connectors?
What kind of network switch requires a 30 amp 240 volt supply?

The IT folks apparently use PDUs that run on 208v, 1ph. They can power several switches. The customer has requested the L6-30 receptacles in several locations.
The customer standards typically don’t allow for use of wire nuts for this wire size. They may make an exception in this case.

 

[vpower1989]

So it’s looking like there is no way to get around transitioning from the #6 to the smaller wire prior to making the terminations.

 

[infinity]

Why the #6 conductors for a 30 amp circuit?

 

[oldsparky52]

So it’s looking like there is no way to get around transitioning from the #6 to the smaller wire prior to making the terminations.

They make pin terminals that would do this, but it may be more practical to reduce the wire size before terminations.

https://rexel-cdn.com/Products/CutSheet/CutSheet.pdf?i=5835691E-BED9-4952-AAC1-F14480DA9B30

 

[augie47]

Burndy AYP6 Pin Adapter

(old sparky beat old augie to the punch )

 

[infinity]

There are two simple choices, run a smaller conductor that will fit on the device or use a blue wire nut and a piece of #10 to terminate to the device. I would question whether or not a receptacle terminal listed for use with a pin adapter.

 

[oldsparky52]

There are two simple choices, run a smaller conductor that will fit on the device or use a blue wire nut and a piece of #10 to terminate to the device. I would question whether or not a receptacle terminal listed for use with a pin adapter.

Yea, a big blue wire nut for a buck and you're done.

 

[Fred B]

Why the #6 conductors for a 30 amp circuit?

Haven't seen answer as to why, I too wondering why the need for #6 on a 30 amp?

 

[vpower1989]

Haven't seen answer as to why, I too wondering why the need for #6 on a 30 amp?

These particular PDUs require either UPS or Standby power. There are only a a couple UPS and Standby panels in the building. This leads to some very long conductor runs. Trying to maintain a 3% voltage drop from these panels requires the larger conductor size.

 

[don_resqcapt19]

You have to be careful with the pin adapters as to their use at terminations. Many pin adapters have a solid pin, and many terminations are only listed for use with Class B and C stranded conductors. Use of a solid pin adapter on a termination not rated for use with solid conductors is a 110.3(B) violation.
There are pin adapters on the market that have a Class B stranded "pin".

 

[infinity]

These particular PDUs require either UPS or Standby power. There are only a a couple UPS and Standby panels in the building. This leads to some very long conductor runs. Trying to maintain a 3% voltage drop from these panels requires the larger conductor size.

IMO a #10 pigtail to the device is the only viable method unless you move the panel closer to the location of the PDU's.