SECTION 1 - SAFETY PRECAUTIONS
31215862
1-5
•
The minimum approach distance may be reduced if insulating
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 reduced to a distance within the designed work
-
ing dimensions of the insulating barrier. This determination shall
be made by a qualified person in accordance with the employer,
local, or governmental requirements for work practices near ener
-
gized equipment.
DANGER
DO NOT MANEUVER MACHINE OR PERSONNEL INSIDE PROHIBITED ZONE (MAD).
ASSUME ALL ELECTRICAL PARTS AND WIRING ARE ENERGIZED UNLESS KNOWN OTH
-
ERWISE.
Tipping Hazards
•
Ensure that the ground conditions are adequate to support the
maximum tire load indicated on the tire load decals located on the
chassis adjacent to each wheel. Do not operate machine on
unsupported surfaces.
Table 1-1. Minimum Approach Distances (M.A.D.)
VOLTAGE RANGE
(Phase to Phase)
MINIMUM APPROACH DISTANCE
in Feet (Meters)
0 to 50 KV
10 (3)
Over 50KV to 200 KV
15 (5)
Over 200 KV 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 govern
-
mental regulations are more stringent.
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