Electrocution Hazards; Minimum Approach Distances (M.a.d.) - JLG 1230ES Operation And Safety Manual

Vertical mast lift
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SECTION 1 - SAFETY PRECAUTIONS

Electrocution Hazards

1-6
• This machine is not insulated and does not provide protec-
tion from contact or proximity to electrical current.
• Maintain distance from electrical lines, apparatus, or any
energized (exposed or insulated) parts according to the
Minimum Approach Distance (MAD) as shown in Table 1-1.
• Allow for machine movement and electrical line swaying.
Table 1-1. Minimum Approach Distances (M.A.D.)
Voltage Range
(Phase to Phase)
0 to 50 KV
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 govern-
mental regulations are more stringent.
• 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
– JLG Lift –
MINIMUM APPROACH DISTANCE
in Feet (Meters)
10 (3)
15 (5)
20 (6)
25 (8)
35 (11)
45 (14)
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