NordicTrack 2450 Treadmill English Manual - Page 5

34. Upon completion of any service or repairs to the treadmill or the television, ask the service technician to perform safety checks to confirm that the unit is in proper operating condition. 38. Use a jumper wire not smaller than No. 6 AWG (13.3 mm2) copper, or the equivalent, when a separate antenna-grounding electrode is used. See NEC Section 810-21 (j) or your local codes and ordinances. 35. Use No. 10 AWG (5.3 mm2) copper, No. 8 AWG (8.4 mm2) aluminum, No. 17 AWG (1.0 mm2) copper-clad steel or bronze wire, or larger as a ground wire. 36. Secure an antenna lead-in and ground wires to the house with stand-off insulators spaced from 4 to 6 feet (1.22 to 1.83 m) apart. 37. Mount an antenna discharge unit as close as possible to where the lead-in enters the house. 39. Note to CATV system installer: This reminder is provided to call the CATV system installer’'s attention to Article 820-40 of the NEC or your local codes and ordinances that provide guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical. Power Lines Ground Clamp Standoff Insulators Service Entrance Conductors Service Entrance Equipment To External 75 Ohm Terminal of Treadmill Ground Wire Mast Antenna Lead-in Wire Antenna Discharge Unit Power Service Grounding Electrode System (e.g. Interior Metal Water Pipe) Ground Clamps Bonding Jumper Ground Wire Ground Clamps Optional Antenna Grounding Electrode Driven 8 Feet (2.44 m) Into The Earth (If Required By Local Codes). See NEC Section 810–-21 (f). SAVE THESE INSTRUCTIONS 5