CABLE STATS
Low voltage lighting systems are typically installed using UF (underground feeder) rated stranded cable. The most common cable used is referred to as 12/2 stranded cable. The size of cable used in wiring the lighting system will be determined by the wattage load and length of cable run from the transformer to the lighting fixtures.
It is very important to note that all low voltage cable has a maximum safe rating. Overloading cable can create a dangerous safety hazard so be sure to cable your lighting system with the proper size cable.
LOW VOLTAGE CABLE
Each low voltage lighting cable consists of two parts. One part of the cable is designated to carry the voltage load and is referred to as the “hot” lead. The “hot” section is installed into one of the low volt “hot” lugs on the terminal block. The other section is referred to as the “common” lead and is installed into the lugs labeled “common.” Voltage is carried out from the transformer to the fixtures via the “hot” side of the cable and returns back to the transformer “common” tap via the other half of the cable thus completing the circuit.
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LOADS PER CABLE |
Close Zone 0–40' |
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Mid Zone 40–80' |
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Far Zone 80–120' |
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Distant Zone 120–160' |
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LED LOADS PER CABLE Add cable runs as necessary. For maximum efficiency, input voltage to LED should be between 10 and 15 volts |
Close-Zone 0–40' using voltage tap 12 |
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Mid-Zone 40–80' using voltage tap 12 |
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Far-Zone 80–120' using voltage tap 13 |
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Out There-Zone 120–160' using voltage tap 14 |
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