Installing the Dispenser Pan Sensor
Dispenser Control Interface Installation
5
Dispenser Control Interface Installation
The wires between the junction box and the dispenser control interface must be of a
type designed for use in the presence of gasoline and oil, must be between AWG 14
and AWG 18, rated 300 Volt (minimum), and must be suitable for pulling through
conduit (for example THHN or THWN).
1.
Be sure AC power to the dispenser junction box is OFF.
Table 1.
Volume Required per Conductor in Junction Box
Size of Conductor
AWG
Free Space Required
within Box for Each
Conductor (Cubic
Inches)
18
1.5
16
1.75
14
2.0
12
2.25
10
2.5
8
3.0
6
5.0
NOTE:
A conductor passing through the box and
each conductor terminating in the box is counted
as one conductor. No unplugged openings are
permitted.
WARNING
Before installing this device, turn OFF power to the system.
Electrical shock resulting in serious injury or death may result if
power is on during installation and the device is improperly installed.
High voltages are present in the dispenser junction box. Be sure to
turn OFF all power before opening the junction box. More than one
disconnect may be required to completely de-energize the box. Failure
to comply with this warning may result in personal injury, property
loss, and equipment damage.
Do not use any electric tools in the area of the dispenser island. Since
the island is considered a Class I, Group D Hazardous Location,
failure to comply with this warning could result in an explosion.
OFF
