20
CAUTION: The loop wires
and lead-in wires must
be a continuous piece of
wire without splices. The
amount of lead-in wire
required must be added
to these lengths for total
wire required. Only use
wire intended for this
type of application
(Type XHHW insulation
16 AWG).
NOTE: Buried steel from
drains or other systems may
aect functioning of the
loop system. Check with the
factory for advice on any
special installations.
Call 1-800-243-4476.
LOOP SIZE # OF TURNS
LOOP WIRE
LENGTH (FT)
4’ X 4’ 4 64’
4’ X 6’ 4 80’
4’ X 8’ 3 72’
4’ X 10’ 3 84’
4’ X 12’ 3 96’
4’ X 14’ 3 108’
4’ X 16’ 3 120’
4’ X 18’ 3 132’
4’ X 20’ 3 144’
4’ X 22’ 3 156’
4’ X 24’ 3 168’
4’ X 26’ 3 180’
4’ X 28’ 3 192’
4’ X 30’ 2 136’
4’ X 32’ 2 144’
4’ X 34’ 2 152’
4’ X 36’ 2 160’
4’ X 38’ 2 168’
4’ X 40’ 2 176’
STANDARD LOOP LAYOUTS
FOR APPROX. 36” HEIGHT DETECTION
Loop Wire
(See Chart)
Lead In Wire
(Twisted at 6
turns per foot)
1/2” Conduit
Conduit Cut
3/16” to 1/4”
1” to 2”
1” to 2”
2. Cut the required groove at the locations laid out in Step#1 according to the diagram
below (Figure 14).
FIGURE 14