Lao kip Lao kip The kip (; code: LAK; sign: ₭ or ₭N; ; officially: ເງີນກີບລາວ, lit. "currency Lao kip") is the currency of Laos since 1952. Historically, one kip was divided into 100 "att" (). In 1945–1946, the Free Lao government in Vientiane issued a series of paper money in denominations of 10, 20 and 50 att and 10 kip before the French authorities took control of the region. The kip was reintroduced in 1952, replacing the French Indochinese piastre at par. The kip (also called a "piastre" in French) was sub-divided into 100 att (Lao: ອັດ) or "cents" (French: Centimes).
Ring main unit type of switchgear is used for medium-voltage power distribution, from 7200 volts to about 36000 volts. The ring main unit was introduced in the United Kingdom and is now widely used in other countries. In North American distribution practice, often the equivalent of a ring main unit is built into a pad-mounted transformer which integrates switches and transformer into a single cabinet. Ring main units can be characterized by their type of insulation, air, oil or gas. The switch used to isolate the transformer can be a fusible switch, or may be a circuit breaker using vacuum or gas-insulated interrupters.