5
SAVE THESE INSTRUCTIONS
Power Lines
Ground
Clamps
Ground
Clamps
Ground
Clamp
Bonding
Jumper
Standoff
Insulators
Antenna
Lead-in Wire
Ground Wire
Ground
Wire
Antenna
Discharge Unit
To External 75 Ohm
Terminal of Treadmill
Mast
Service
Entrance
Equipment
Power Service Grounding
Electrode System (e.g.
Interior Metal Water Pipe)
Service
Entrance
Conductors
Optional Antenna Grounding Electrode Driven 8
Feet (2.44 m) Into The Earth (If Required By Local
Codes). See NEC Section 810–21 (f).
31. Upon completion of any service or repairs to
the treadmill or the television, ask the service
technician to perform safety checks to con-
firm that the unit is in proper operating condi-
tion.
• Use No. 10 AWG (5.3 mm
2
) copper, No. 8
AWG (8.4 mm
2
) aluminum, No. 17 AWG (1.0
mm
2
) copper-clad steel or bronze wire, or
larger as a ground wire.
• 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.
• Mount an antenna discharge unit as close
as possible to where the lead-in enters the
house.
• Use a jumper wire not smaller than No. 6
AWG (13.3 mm
2
) copper, or the equivalent
when a separate antenna-grounding elec-
trode is used. See NEC Section 810-21 (j).
Note to CATV system installer: This reminder is
provided to call the CATV system installerʼs at-
tention to Article 820-40 of the NEC that provides
guidelines for proper grounding and, in particu-
lar, specifies that the cable ground shall be con-
nected to the grounding system of the building,
as close to the point of cable entry as practical.
