JLG 67SL Operator Manual - Manual (Page 16)

SECTION 1 - SAFETY PRECAUTIONS
1-6 – JLG Lift – 3121321
• Maintain safe clearance from electrical lines, apparatus, or
any energized (exposed or insulated) parts in accordance
with the Minimum Approach Distance (MAD) as specified
in Table 1-1.
• Allow for machine movement and electrical line swaying.
• Maintain a clearance of at least 10 ft (3 m) between any
part of the machine and its occupants, their tools, and
their equipment from any electrical line or apparatus car-
rying up to 50,000 volts. One foot additional clearance is
required for every additional 30,000 volts or less.
• The minimum approach distance may be reduced if insu-
lating barriers are installed to prevent contact, and the
barriers are rated for the voltage of the line being guarded.
These barriers shall not be part of (or attached to) the
machine. The minimum approach distance shall be
Table 1-1.Minimum Approach Distances (M.A.D.)
Voltage Range
(Phase to Phase)
MINIMUM APPROACH DISTANCE
in Feet (Meters)
0 to 50KV 10 (3)
Over 50 KV to 200 KV 15 (5)
Over 200KV to 350 KV 20 (6)
Over 350 KV to 500 KV 25 (8)
Over 500 KV to 750 KV 35 (11)
Over 750 KV to 1000 KV 45 (14)
NOTE: This requirement shall apply except where
employer, local or governmental regulations
are more stringent.