They are available at Landscape Lighting World!
http://www.landscapelightingworld.com/Volt-Hub-System-p/9hub.htm
Small pick up trucks use a 12 volt system. Large highway trucks use a 24 and sometimes 36 volt system, depending on the lighting load that is connected.
The main difference between 120 volt and 240 volt electrical systems is the amount of voltage they provide. A 120 volt system is commonly used for household appliances and lighting, while a 240 volt system is typically used for larger appliances like stoves and dryers. The higher voltage of a 240 volt system allows for more power to be delivered, making it suitable for heavier electrical loads.
with 3 phase lighting you do not have to use as large of wire and can use one neutral for every 3 current carrying conductors so it cut down on material costs ( as voltage increases current decreases) <<>> The voltage 277 is the star-point voltage of a 480 volt three phase system. By using a 480 volt wye system you have the dual ability of running 480 volt three phase equipment along with 277 volt lighting. The side advantage is the ability of using the phase voltage to ground (neutral) 480 / 1.73 = 277 volts for general lighting of the building the 480 volt equipment is located in.
480 Volt
A 277 volt lighting fixture is one that is usually used in an industrial application. The reason for this is the voltage rating. A voltage potential of 277 volts is the voltage to neutral (ground) of a three phase four wire 480 volt distribution system. 480 volts / 1.73 = 277 volts. Rather than having to add a transformer to the system to provide 120 volts for lighting, manufactures produced a ballast for fluorescent fixtures that operates on the 227 volt potential.
Yes, you can use a 220-volt circuit in the basement to run branch circuits for 110-volt lighting. You would need to install a step-down transformer near the lighting circuits to reduce the voltage from 220 to 110 volts. Make sure to adhere to electrical codes and regulations when setting up the system to ensure safety and proper functioning.
No, an 18 watt bulb typically requires a higher voltage than what is used in low voltage outdoor lighting systems. Using a higher wattage bulb in a low voltage system can cause damage to the bulb and the lighting system. It is recommended to use bulbs specifically designed for low voltage outdoor lighting.
The 277-volt single-phase 60-hertz system is primarily used for commercial lighting applications, particularly in large buildings and industrial settings. It provides a higher voltage for lighting fixtures, which allows for reduced current draw and lower energy losses over longer distances. This system is commonly used in conjunction with 480-volt three-phase systems, where the 277 volts is derived from one phase of the three-phase supply. It is efficient for powering high-intensity discharge (HID) lamps and other types of lighting.
No
A caravan typically uses a 12-volt system for its electrical components such as lighting, appliances, and accessories. Some caravans may also have a 240-volt system for larger appliances that require more power, which can be plugged into an external power source when available.
You don't. A ballast with a 347 volt input is a commercial ballast. The 347 volts comes from a 600 volt three phase four wire Y system. You can change the ballast out to a 120 volt and rewire the unit but in most cases it is cheaper to buy a completely new lighting fixture.
No. Is a 6 volt system.