Electrocution Hazards; Minimum Approach Distances (M.a.d.) - JLG 10MSP Operation And Safety Manual

SECTION 1 - SAFETY PRECAUTIONS

Electrocution Hazards

• 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.
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 govern-
mental regulations are more stringent.
• 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 carrying up
to 50,000 volts. One foot additional clearance is required for
every additional 30,000 volts or less.
MINIMUM APPROACH DISTANCE
in Feet (Meters)
10 (3)
15 (5)
20 (6)
25 (8)
35 (11)
45 (14)
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