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  2. Vector group - Wikipedia

    en.wikipedia.org/wiki/Vector_group

    The number is in units of 30 degrees. For example, a transformer with a vector group of Dy1 has a delta-connected HV winding and a wye-connected LV winding. The phase angle of the LV winding lags the HV by 30 degrees. Note that the high-voltage (HV) side always comes before the low-voltage (LV) side, regardless of which is the primary winding.

  3. RV park - Wikipedia

    en.wikipedia.org/wiki/RV_park

    A recreational vehicle park (RV park) or caravan park is a place where people with recreational vehicles can stay overnight, or longer, in allotted spaces known as "sites" or "campsites". They are also referred to as campgrounds , though a true campground also provides facilities for tent camping ; many facilities calling themselves "RV parks ...

  4. List of slave cabins and quarters - Wikipedia

    en.wikipedia.org/wiki/List_of_slave_cabins_and...

    This is a list of slave cabins and other notable slave quarters. A number of slave quarters in the United States are individually listed on the National Register of Historic Places . Many more are included as contributing buildings within listings having more substantial plantation houses or other structures as the main contributing resources ...

  5. List of recreational vehicles - Wikipedia

    en.wikipedia.org/wiki/List_of_recreational_vehicles

    The Truck Surf Hotel, a two-story, five-room hotel built on a Mercedes Actros truck chassis.. Constructed on either a truck chassis, a specially designed motor vehicle chassis, or a commercial bus chassis, a Class A motorhome resembles a bus in design and has a flat or vertical front end with large side windows.

  6. Recreational vehicle terms - Wikipedia

    en.wikipedia.org/wiki/Recreational_vehicle_terms

    High voltage Refers to shore power, generator power or power from a power inverter, which is AC at the standard household voltage and frequency of one's country, used to run air conditioners, televisions and stereo systems, microwave ovens, electrical refrigerators, electric space heaters and electric water heaters.

  7. British Rail Class D1/1 - Wikipedia

    en.wikipedia.org/wiki/British_Rail_Class_D1/1

    British Rail Class D1/1 (formerly DY1) was a class of shunting locomotives commissioned by British Rail in England. It was a diesel locomotive in the pre- TOPS period built by the Hunslet Engine Company with a 153 horsepower (114 kW) Gardner 6L3 engine.

  8. High-voltage switchgear - Wikipedia

    en.wikipedia.org/wiki/High-voltage_switchgear

    750 kV high-voltage switchgear. High-voltage switchgear is any switchgear used to connect or disconnect a part of a high-voltage power system.This equipment is essential for the protection and safe operation, without interruption, of a high voltage power system, and is important because it is directly linked to the quality of the electricity supply.

  9. Mill Valley Ranch - Wikipedia

    en.wikipedia.org/wiki/Mill_Valley_Ranch

    Mill Valley Ranch is a local landmark of great significance. Established in 1967, it is one of the area's oldest developments still in operation today. Many buildings on the property have been relocated from other areas, such as: