[169925] in North American Network Operators' Group
Re: L6-20P -> L6-30R
daemon@ATHENA.MIT.EDU (Owen DeLong)
Thu Mar 20 20:58:35 2014
From: Owen DeLong <owen@delong.com>
In-Reply-To: <532B7F3C.7090207@west.net>
Date: Thu, 20 Mar 2014 17:52:42 -0700
To: Jay Hennigan <jay@west.net>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mar 20, 2014, at 4:52 PM, Jay Hennigan <jay@west.net> wrote:
> On 3/18/14 3:54 PM, George Herbert wrote:
>
>> This sort of thing is usually an adapter, a little cylinder with a L6-20R
>> on one end and a L6-30P on the other, since the loads are safe. Either
>> that, or a short jumper cable wired the same way.
>
> The loads aren't safe. You will have a 30-amp circuit breaker feeding
> the L6-30R socket. The load and its wiring are only rated for 20 amps
> so if there's an overload you will exceed the ampacity of the wiring
> downstream of the L6-20P and the L6-20P itself.
>
> Option 1: Change the breaker to 20A and change the receptacle to L6-20R.
>
> Option 2: Buy a 30-amp rated PDU equipped with L6-30P plug.
Option 3: Put a 20A breaker or fuses inline in the Adapter.
Owen
