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InfraStruXure System—Installation and Start-Up 9
Electrical Requirements and Specifications
Procedures requiring a licensed electrician
Electrical requirements
Electrical
Hazar
d
Procedures requiring a licensed electrician include:
• Connection of utility conductors
• Installation of a 225-, 90-, or 75-amp circuit breaker
• Connection to the Main Input switch
• Wiring under the floor
See als
o
To connect utility conductors, see Certified Electrician’s Instructions included with
your PDU documentation.
208V Input 480V Input 600V Input
Service distribution breaker
†‡
225A 90A 75A
Conductors to main input switch
†
Transformer: 3W + G + GEC
No Transformer: 4W + G
3W + G + GEC 3W + G + GEC
Recommended wire sizing
‡
L1, L2, L3, N 4/0AWG 3 AWG 4 AWG
G 6 AWG 8 AWG 8 AWG
GEC 4 AWG 8 AWG 8 AWG
† Provided by customer.
‡ The specifications are recommendations. Consult the NEC and local codes for requirements specific to your installation.