Third Edition • Sixth Printing
Operator's Manual
Work Area Safety
Part No. 237108
GTH-844 15
Electrocution Hazards
This machine is not electrically insulated and will
not provide protection from contact with or
proximity to electrical current.
Obey all local and
governmental regulations
regarding required clearance
from electrical power lines. At a
minimum, the required
clearance contained in the chart
below must be followed.
Line Voltage
Required Clearance
0 to 50KV
10 ft
3.05 m
>50 to 200KV
15 ft
4.60 m
>200 to 350KV
20 ft
6.10 m
>350 to 500KV
25 ft
7.62 m
>500 to 750KV
35 ft
10.67 m
>750 to 1000KV
45 ft
13.72 m
over 1000kV
see below
For power lines over 1000kV, the minimum
clearance distance must be established by the
utility owner or operator or by a registered
professional engineer who is a qualified person
with respect to electrical power transmission and
distribution.
Do not use the machine as a ground for welding.
Always contact the electrical power line owner.
The electrical power shall be disconnected or the
power lines moved or insulated before machine
operations begin.
Allow for boom and attachment movement,
electrical line sway or sag, and beware of strong or
gusty winds.
Keep away from the machine if it contacts
energized power lines. Personnel on the ground or
in the cab must not touch or operate the machine
until energized power lines are shut off.
Do not operate the machine during lightning or
storms.