OutBack Power GSLC Installation Manual
Specifications 
52  900-0123-01-00 Rev C 
Definitions
The following is a list of initials, terms, and definitions used in conjunction with this product. 
Table 5  Terms and Definitions 
Term 
Definition 
AC  Alternating Current; refers to voltage produced by the inverter, utility grid, or generator 
AUX  One of several auxiliary outputs on the GS inverter/charger. 
CSA  Canadian Standards Association; establishes Canadian national standards and the Canadian 
Electrical Code, including C22.1 and C22.2 
DC  Direct Current; refers to voltage produced by the batteries or renewable source 
DVM  Digital Voltmeter 
FNDC  OutBack battery monitor; used to measure battery state of charge 
GFDI  Ground Fault Detector Interrupter; a safety device for PV systems 
PV  Photovoltaic 
RE  Renewable Energy 
UL  Underwriters Laboratories; refers to a set of safety standards governing electrical products 










