Operation Safety; Electrical Hazards - JLG G5-18A Operation Manual

Section 1- General Safety Practices
1.3

OPERATION SAFETY

Note: The manufacturer has no direct control over machine application and operation.
Therefore, safety issues listed in this manual are non-exhaustive. The user and operator are
responsible for conforming with good safety practices.

Electrical Hazards

• This machine is not insulated and does not provide protection from contact or being
near electrical current.
• Always check for power lines before raising the boom.
• Maintain distance from electrical lines, apparatus, or any energized (exposed or
insulated) parts according to the Minimum Approach Distance (MAD).
Voltage Range
(Phase to Phase)
Over 50KV to 200 KV
Over 200 KV to 350 KV
Over 350 KV to 500 KV
Over 500 KV to 750 KV
Over 750 KV to 1000 KV
Note: This requirement shall apply except where employer, local or governmental
regulations are more stringent.
• Allow for machine movement and electrical line swaying.
• Maintain a clearance of at least 10 ft (3m) between any part of the machine and its
occupants, their tools and their equipment from any electrical line or apparatus
carrying up to 50,000 volts. One foot additional clearance is required for every
additional 30,000 volts or less.
1-2
0 to 50 KV
10 ft
(3m)
Minimum Approach Distance
(MAD)
10 ft (3 m)
15 ft (5 m)
20 ft (6 m)
25 ft (8 m)
35 ft (11 m)
45 ft (14 m)
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