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Installation
Operator’s Manual 17
GROUNDING INSTRUCTIONS
This product must be grounded. If it should malfunction or breakdown,
grounding provides a path of least resistance for electric current to
reduce the risk of electric shock.
DANGER: IMPROPER CONNECTION OF THE EQUIPMENT -
GROUNDING CONDUCTOR CAN RESULT IN
A RISK OF ELECTROCUTION. CHECK WITH
A QUALIFIED ELECTRICIAN OR SERVICE PERSON
IF YOU ARE IN DOUBT AS TO WHETHER THE UNIT
IS PROPERLY GROUNDED.
The screw and ground terminal on the frame must always be used
to connect the unit to a suitable ground source. The ground path
should be made with #8 size wire. Connect the terminal of the
ground wire between the star washers and screw then tighten the
screw fully. Connect the other end of the wire securely to a suitable
ground source.
The National Electric Code contains several practical ways in which to
establish a good ground source. Examples given below illustrate a few
of the ways in which a good ground source may be established.
A metal underground water pipe in direct contact with the earth
for at least 10 feet can be used as a grounding source. If a pipe
is unavailable, an 8 foot length of pipe or rod may be used as the
ground source. The pipe should be 3/4 inch trade size or larger and
the outer surface must be noncorrosive. If a steel or iron rod is used
it should be at least 5/8 inch diameter and if a nonferrous rod is used
it should be at least 1/2 inch diameter and be listed as material for
grounding. Drive the rod or pipe to a depth of 8 feet. If a rock bottom
is encountered less than 4 feet down, bury the rod or pipe in a trench.
All electrical tools and appliances operated from this unit, must be
properly grounded by use of a third wire or be “Double Insulated”.
It is recommended to:
1. Use electrical devices with 3 prong power cords.
2. Use an extension cord with a 3 hole receptacle and a 3 prong
plug at the opposite ends to ensure continuity of the ground
protection from the unit to appliance.
John Deere strongly recommend that all applicable federal, state
and local regulations relating to grounding specications be checked
and followed.
LINE TRANSFER SWITCH:
If this unit is used for standby service, it must have a transfer switch
between the utility power service and the unit. The transfer switch
not only prevents the utility power from feeding into the unit, but also
prevents the unit from feeding out into the utility company’s lines.
This is intended to protect the serviceman who may be working on
a damaged line.
THIS INSTALLATION MUST BE DONE BY A LICENSED
ELECTRICIAN AND ALL LOCAL CODES MUST BE
FOLLOWED.