Operation Instructions
MBE35_50 OPERATION MANUAL 2005_10
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5.4.4 How deep should the loop wires be installed?
The deeper the wires are below the road surface the more they are protected from
road surface wear and the elements. The top wire should be a minimum of 1 inch
below the road surface.
Note:
Nonconductive materials such as concrete and asphalt will not influence the loop
fields. Installing the loop one inch deeper (e.g. 3 ”depth not 2” depths would have the
same result as raising the vehicle one inch above the pavement surface.
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Lo op Sealan t
Road
M aterial
Lo o p W ires
14 A W G
X LPE
Insulation
1.
5
0
"
mi
n
imu
m 1
"