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Electrical Hazard
Minimum Safe Approach Distance
The MHP15/44HD is an all metal boom, NOT ELECTRICALLY INSULATED, ae rial work plat form. DO
NOT op er ate it near ELECTRICAL con duc tors. Re gard all con duc tors as be ing en er gized. Use the ta ble
and il lus tra tion be low to de ter mine safe clear ance from elec tri cal con duc tors. (Ta ble 1 and Fig ure 3, be -
low, are from ANSI/SIA A92.5–1992 Stan dard, re printed with per mis sion of Scaf fold In dus try As so ci a tion.)
Table 1 - (M.S.A.D.)
(phase to phase)
0 to 300V
over 300v to 50kv
over 50kv to 200kv
over 200kv to 350kv
over 350kv to 500kv
over 500kv to 750kv
over 750kv to 1000kv
Figure 3 - (M.S.A.D.)
page - ii
Minimum Safe Approach Distance
to energized (exposed or insulated power lines)
Voltage range
Denotes prohibited zone
Danger:
- Do not allow machine personnel or conductive
materials inside prohibited zone.
- Maintain M.S.A.D. From all energised lines and parts
as well as those shown.
- Assume all electrical parts and wires are energised
unless known otherwise.
- Diagrams shown are only for purposes of illustrating
Caution:
M.S.A.D. Work positions, not all work positions.
Minimum safe approach distance
(Feet)
(Meters)
Avoid contact
3.05
10
4.60
15
6.10
20
7.62
25
10.67
35
13.72
45
Rev F
MHP15/44HD – 12885A
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