Pull the plug out. 3phase will have 5 pins and single phase will have 3.
Coy Krill
Core Processing Team Lead, AVP
Washington Trust Bank
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jim Franz
Sent: Thursday, April 21, 2022 10:26
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: rack power 7+ how to tell if 3-phase power
**** CAUTION EXTERNAL EMAIL ****
Am a pgmr, not an electrician - moving system to different data center.
Existing center - no one remembers.
All i can see is the rack power connect to a metal boxes, big round plugs (redundant power supply), with label "240V" on breaker. Other site asking if 3 phase or single phase. They don't want to pay for an electrician to come onsite.
Is there any definitive clue in this description?
Jim
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