Don't run twin lead and rotator wires through the same stand-offs. If a rotator is used, leave enough slack in the lead-in line for rotating the antenna. Secure twin lead to stand-offs or tape coaxial cable to the mast to avoid strain on antenna connections. Form the lead-in line into a half loop where it enters the house, so rain water will drip off. Seal the entry with a waterproof material.
Excess line coiled in the wall or behind the set can cause signal loss and interference.
Most couplers weaken signals. If signals are weak a coupler and an amplifier may be needed, which substantially increased the cost. Keep in mind, outdoor booster antenna are more efficient than indoor models mounted at the set. Maintenance R eguardless of initial quality, antennas and lead-in lines gradually deteriorate with age. Pollutants and salt ocean air are particularly destructive.