Outback Power Systems FW-IOB-D-120VAC Input/Output/Bypass Assembly - Installation Instructions - Manual (Page 3)

Requirements and Warnings
The OutBack FW-IOB-D-120VAC is intended as a system compo-
nent and is included in a listing by ETL as indoor enclosures to UL
standard UL 508A Industrial Control Panels.
This enclosure is intended for battery circuits confi gured for 12 to
48 volts nominal.
Grounding Instructions – Each enclosure should be connected to
a grounded, permanent wiring system. For most installations, the
negative battery conductor should be bonded to the grounding
system at one (and only one) point in the DC system. All instal-
lations must comply with all national and local codes and ordi-
nances. System grounding as required by the National Electric
Code, ANSI /NFPA 70-1996, is the responsibility of the system
installer.
The equipment ground is marked with this symbol:
2