Minimum Approach Distances (M.a.d.) - JLG 1850SJ Operation And Safety Manual

SECTION 1 - SAFETY PRECAUTIONS
• Maintain distance from electrical lines, apparatus, or any ener-
gized (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.
1-6
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 governmental 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 equip-
ment 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.
– JLG Lift –
MINIMUM APPROACH DISTANCE
in Feet (Meters)
10 (3)
15 (5)
20 (6)
25 (8)
35 (11)
45 (14)
3121618