Cisco Systems 124778, 124792, 159330 manual Install the Ground Cable, Installing 1 RU DC Cabling

Chapter 2 System Installation

2.2.3 Install the Ground Cable

Figure 2-8 Installing 1 RU DC Cabling

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2.2.3 Install the Ground Cable

Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024

The equipment rack/cabinet, system, and optional distribution shelf need to be properly grounded to ensure the safe and efficient operation of the Cisco AC/DC Power System. Refer to NEC, CEC, ANSI T1-333, ETSI 300-386-TC, and local codes for guidelines on bonding telecom DC power equipment to building ground.

The system shelf should be connected to the rack/cabinet frame by a UL-listed 6 AWG (16mm²) wire with an insulation rating of at least 75° Celsius. Two #10 studs are provided at the rear of the shelf. The connection at the shelf end is made using a UL-listed double-hole lug 1/4in and 5/8in. center-to-center (lug part # Panduit LCD6-14A-L or equivalent).

The optional 1 RU Distribution Shelf should be bonded to the frame by a UL-listed 6 AWG (16mm²) wire with an insulation rating of at least 75° Celsius. Two #10 studs are provided at the rear of the shelf for this purpose. The connection at the shelf end is made using a UL-listed double-hole lug 1/4in. and 5/8in. center-to-center (lug part # Panduit LCD6-14A-L or equivalent).

Cisco AC/DC Power System User Guide, R1.0

May 2006 2-9