Groundingthe Generatorwhen Used As A; Portable; Electricalsystem; Neutralto Framegrounding - Generac Portable Products XG SERIES Owner's Manual

2.5.1 GROUNDING THEGENERATOR W HENUSEDAS A
PORTABLE
This generator has an equipment ground that connects the
generatorframe components to the ground terminals on the AC
output receptacles (see NEC 250.34 (A) for explanation). This
allows the generatorto be used as a portable without grounding
the frame of the generatoras specified in NEC250.34.
Special R equirements
There may be Federalor State Occupational Safety and Health
Administration (OSHA)regulations,local codes, or ordinancesthat
apply to the intendeduse of the generator.
Please consult a qualified electrician, electrical inspector, or the
local agency havingjurisdiction:
* In some areas, generators are required to be registered with
local utility companies.
* If the generator is used at a construction site, there may be
additionalregulationswhich must be observed.
2.5.2 CONNECTING THEGENERATOR T OA BU/LO/NG'S
ELECTRICAL S YSTEM
Connections for standby power to a building's electrical system
must be made by a qualified electrician and in strict compliance
with all national and local electrical codes and laws. The
connection must isolate the generatorpower from utility power or
other alternativepower sources.
NOTE:
Becausethe generatorequipment groundis bondedto the AC
neutralwires in the generator (see Figure8), either a 3-pole
transferswitchor a 2 pole transferswitchwith a switching
neutral kit is requiredto connectthis generator to a building
load. in this application the generator becomesa separately
derived system (see NEC250.20 (D)), and mustbe grounded
in accordancewith the nationalor local electrical code
requirements.
Grounding theGenerator ina Building S tandby Application
Figure 7 - GeneratorGround Location
XG6500& XG7000
GROUND LOCATION
LOCATION
2.5.3 NEUTRAL TOFRAMEGROUNDING
If service work is performed on the alternator, DO NOT discard
the white jumper wires from the terminal block to the alternator
ground, located on the rear bearing carrier. Always make sure
the wires are properly connected before using the generatorafter
alternatorservice work is done (Figure8).
Figure8 - Neutral to FrameGround
NEUTRAL T O FRAME GROUND
XG7000& 8000
DONOTDISCARD
WIREST
,_The National Electrical Code requires that the
frame and external electrically conductive parts
of this generator be properly connected to an
approved earth ground.
Local electrical codes may also require proper grounding of
the unit (Figure 7). For that purpose, connecting a No. 10 AWG
(American Wire Gauge)strandedcopper wire to the groundinglug
and to an earth=drivencopper or brass grounding rod (electrode)
provides adequate protection against electrical shock. However,
local codes may vary widely. Consultwith a local electrician for
grounding requirements in the area.
Proper groundingof the generator will help preventelectrical
shockin the event of a groundfault condition in the generatoror in
connectedelectricaldevices. Propergrounding alsohelps dissipate
static electricity,which often builds up in ungroundeddevices.
NEUTRAL T O FRAME GROUND XG6500
DONOTDISCARD
SEWIREST