Dc Power Copper Conductors Warning - Juniper PTX1000 Hardware Manual

facility DC source capable of supplying at least 40 A @ –48 VDC per input for the DC power supply.
Incorporate an easily accessible disconnect device into the facility wiring. In the United States and
Canada, the –48 VDC facility should be equipped with a circuit breaker rated a minimum of 125% of
the power provisioned for the input in accordance with the National Electrical Code in the US and the
Canadian Electrical Code in Canada. Be sure to connect the ground wire or conduit to a solid office
(earth) ground. A closed loop ring is recommended for terminating the ground conductor at the ground
stud.
Run two wires from the circuit breaker box to a source of 48 VDC.
A DC-powered PTX1000 is intended only for installation in a restricted-access location. In the United
States, a restricted-access area is one in accordance with Articles 110-16, 110-17, and 110-18 of the
National Electrical Code ANSI/NFPA 70.
NOTE: Primary overcurrent protection is provided by the building circuit breaker. This breaker
should protect against excess currents, short circuits, and earth faults in accordance with NEC
ANSI/NFPA70.

DC Power Copper Conductors Warning

WARNING:
Waarschuwing Gebruik alleen koperen geleiders.
Varoitus Käytä vain kuparijohtimia.
Attention Utilisez uniquement des conducteurs en cuivre.
Warnung Verwenden Sie ausschließlich Kupferleiter.
Avvertenza Usate unicamente dei conduttori di rame.
Advarsel Bruk bare kobberledninger.
Aviso Utilize apenas fios condutores de cobre.
¡Atención! Emplee sólo conductores de cobre.
Varning! Använd endast ledare av koppar.
Use copper conductors only.
165