280 TimeCreator 1000 User’s Guide 097-93100-01 Revision C – February, 2010
Appendix C Installing the Two-Way GPS Antenna
Making GPS Connections
installed in a nonmetallic junction box, perform the installation and bolt the
assembly near the chosen valid earth ground.
9. Assemble the lightning suppressor as shown in Figure C-6.
Figure C-6. Assembling the Lightning Suppressor
10.Install 1.5 inch (3.8 cm) nonmetallic conduit from the antenna to the lightning
suppressor, and from the lightning suppressor to the cable entrance into the
building.
11.Install a user-supplied bracket, preferably non-metallic, to support the vertical
section of conduit to the antenna.
12.Route the antenna cable through the conduit, and connect the cable to the
lightning suppressor. See Table C-1 for specific cable lengths.
13.If the lightning suppressor is not mounted directly to a valid earth ground, crimp a
length of 4.115 mm (6 AWG) ground cable to the two-hole terminal, slide the
Note: A junction box must have inside dimensions of 2.75 inches by
2.75 inches by 1.6 inches (7 cm by 7 cm by 4 cm) to hold the
mounting plate and attached components.
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