ADTRAN ATLAS 550 Instrukcja Użytkownika Pobierz pdf (Strona 38)

Chapter 2. Installation

2-2 ATLAS 550 User Manual 61200305L1-1

GROUNDING INSTRUCTIONS

This section provides grounding instruction information from the Under-

writers'LaboratoryUL 1950Standardfor Safety ofInformationTechnology

Equipment Including Electrical Business Equipment, of July 28, 1995.

An equipment grounding conductor that is not smaller in size than the un-

grounded branch-circuit supply conductors is to be installed as part of the

circuit that supplies the product or system. Bare, covered, or insulated

grounding conductors are acceptable. Individually covered or insulated

equipment grounding conductors shall have a continuous outer finish that

is either green, or green with one or more yellow stripes. The equipment

grounding conductor is to beconnected to ground at the service equipment.

The attachment-plug receptacles inthe vicinity of the product or system are

alltobeofagroundingtype, andtheequipmentgrounding conductorsserv-

ing these receptacles are to be connected to earth ground at the service

equipment.

A supplementary equipment grounding conductor shall be installed be-

tweentheproductorsystemandgroundthatisinadditiontotheequipment

grounding conductor in the power supply cord.

The supplementary equipment grounding conductor shall not be smaller in

size than the ungrounded branch-circuit supply conductors. The supple-

mentaryequipmentgroundingconductorshall be connectedto the product

at the terminal provided, and shall be connected toground ina manner that

will retain the ground connection when the product is unplugged from the

receptacle. The connection to ground of the supplementary equipment

grounding conductor shall be in compliance with the rules for terminating

bonding jumpers at Part K or Article 250 of the National Electrical Code,

ANSI/NFPA 70. Termination of the supplementary equipment grounding

conductorispermittedtobemadetobuildingsteel,toametalelectricalrace-

way system, or to any grounded item that is permanently and reliably con-

nected to the electrical service equipment ground.

The supplemental grounding conductor shall be connected to the equip-

ment using a number 8 ring terminaland should be fastened to the ground-

ing lug provided on the rear panel of the equipment. The ring terminal

shouldbe installed using the appropriate crimping tool (AMP P/N 59250

T-EAD Crimping Tool or equivalent.)

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ADTRAN ATLAS 550 Instrukcja Użytkownika Strona 38