King Electrical Floor Heating Cable Installation Manual
9
STEP 2: Layout planning and product selection
(continued)
240 Volt selection table
240V*
Length
Heated area spacing (ft²)
Watts
Amps
Ohms
Fast Set
Strapping
Model
ft.
m
2
3
4
FC24240
80
24.4
15
20
25
240
1.0
240.0
20 ft.
FC24360
120
36.6
20
30
40
360
1.5
160.0
40 ft.
FC24480
160
48.8
25
40
55
480
2.0
120.0
40 ft.
FC24600
200
61.0
35
50
65
600
2.5
96.0
40 ft.
FC24720
240
73.2
40
60
80
720
3.0
80.0
60 ft.
FC24840
280
85.3
45
70
95
840
3.5
68.6
60 ft.
FC24960
320
97.5
55
80
105
960
4.0
60.0
60 ft.
FC241080
360
109.7
60
90
120
1080
4.5
53.3
80 ft.
FC241200
400
121.9
65
100
135
1200
5.0
48.0
80 ft.
FC241320
440
134.1
75
110
145
1320
5.5
43.6
80 ft.
FC241440
480
146.3
80
120
160
1440
6.0
40.0
100 ft.
FC241680
560
170.7
95
140
190
1680
7.0
34.3
100 ft.
FC 241920
640
195.1
105
160
210
1920
8.0
30.0
100 ft.
FC 242160
720
219.5
120
180
240
2160
9.0
26.7
120 ft.
FC 242400
800
243.8
135
200
265
2400
10.0
24.0
120 ft.
FC 242880
960
292.6
160
240
320
2880
12.0
20.0
120 ft.
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* 240 volt cables are approved for 208 volt, but will produce 25% less wattage.
NOTE: Strapping is sold seperately, and is not included with cable.
STEP 3: Thermostat location and strapping layout
2.9
Draw in the locations of the strapping guides, making sure to identify both the center straps and
the end straps in your drawing. The end straps are used to turn the cable 180 degrees while the center
straps are used to hold the cable when the end straps are more than 48 inches apart.
End Strap
Center Strap
