In electronics, it is generally standard to use red wire for positive (+) connections and black wire for negative (-) connections. 1  What other colors you use is largely a matter of choice and will depend on the specific circuit you are building. For example, there are a few different ways you could wire this circuit with red, green, blue, and yellow LEDs, but they will all work exactly the same:
Bruno de Heceta (Hezeta) y Dudagoitia was born in Bilboa, Spain, in 1743 to an old Basque family. The Spanish claim to Alaska and the Pacific Northwest had dated back to a 1493 papal bull (Inter caetera) and rights contained in the 1494 Treaty of Tordesillas.
As seen in this photo, continental blending in Bruno's family began a long time ago. This shows a pair of his great-great-grandparents - the father born in Spain and the mother in the Philippines - with two of their daughters around the 1890s.