LiftMaster CAPXM Installation Manual - English French Spanish Manufactured Pri - Page 14
Install the Ground, IMPORTANT
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INTRODUCTION PRE-INSTALL INSTALL NETWORK ACCESS CONTROL 3 Install the Ground INTRODIUMCPOTRIOTANNT: An eaPrtRh Egr-oINunSdTrAodLiLs strongly recoImNmSeTnAdeLdLand should be nNo ETWOToRAKVOID damAaCgiCngEgSaSs,CpoOwNerToRrOL further than 12 feet (3.7 m) from the CAPXM and use a minimum of 12 gauge other underground utility lines, wire in most cases. The type and length of earth ground rods vary by region. Contact the AHJ (Authority Having Jurisdiction) in the municipality where contact underground utility locating companies BEFORE digging. you plan to install the CAPXM for correct grounding materials and installation procedures. A proper ground is critical to minimizing risk for the CAPXM from damaging electrical transients. INTROD1U. CTCoIOnnNect the groPuRndE-wINireS(T12ALAWL G or larger) toINthSeTCAALPLXM main earth NETWORK ACCESS CONTROL ground connection. 2. Run the wire from the CAPXM to suitable earth ground. NOTE: Shield connections on boards should not be connected to main earth ground connection. Main Earth Ground Connection Typical ground NOTE: Keep ground wire as straight as possible. Ground wire 12 AWG minimum 12 feet (3.7 m) maximum Check national and local codes for proper depth Earth ground rod 14 Other ground sources within 12 feet of access control panel Ground to metallic cold water pipe Ground to existing electrical system Electrical Panel