15394
C150
5-13-97G
5-15-02H
INSTALLATION DWG
ET & HT CRANE SERIES
SUPERCEDES
TITLE
DATE
SECTION
VEHICLE & CRANE MOUNTED ELECTRICAL HAZARD SIGN
APPLICATION & INFORMATION
ET & HT CRANE SERIES
SIGN NO. 15393A DISPLAYS THE INTERNATIONAL SYMBOL FOR
ELECTRICITY AND WARNS OF DANGER FROM AN
ELECTRICALLY CHARGED VEHICLE, CRANE, OR LOAD. FOUR
ARE RECOMMENDED (ONE FOR EACH SIDE AND ONE FOR
EACH END OF VEHICLE) TO BE APPLIED IN LOCATIONS WHICH
ARE READILY VISIBLE TO GROUND PERSONNEL.
SIGN NO. 15401 PROVIDES ADDITIONAL WARNING OF LEGAL
REQUIREMENTS WHEN OPERATING NEAR HIGH VOLTAGE
LINES. THIS SIGN IS PLACED ON THE CONTROL PENDANT
SIDE OF BOOM.
REQUIRED MINIMUM CLEARANCES REFERRED TO ON SIGN NO. 15401
REQUIRED CLEARANCES FROM OVERHEAD HIGH-VOLTAGE LINES
NOMINAL VOLTAGE (kV) MINIMUM REQUIRED
(PHASE TO PHASE) CLEARANCE (FEET) *
0 - 50 10
over 50 - 200 15
over 200 - 350 20
over 350 - 500 25
over 500 - 750 35
over 750 - 1000 45
REQUIRED CLEARANCES FROM ENERGIZED HIGH-VOLTAGE CONDUCTORS
(WHILE IN TRANSIT)
NOMINAL VOLTAGE (kV) MINIMUM REQUIRED
(PHASE TO PHASE) CLEARANCE (FEET) *
0 - 0.75 4
over 0.75 - 50 6
over 50 - 345 10
over 345 - 750 16
over 750 - 1000 20
* NOTE: ENVIRONMENTAL CONDITIONS SUCH AS FOG, SMOKE, OR PRECIPITATION MAY REQUIRE
INCREASED CLEARANCES
CINCINNATI, OHIO
MFG., INC.
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