What is "all-mains"

all-mains \all-mains\ adj. prenom. 1. adaptable to all voltages; -- of a radio receiver.

Note: For power supplies, the term "switching" is used to designate ability to use more than one voltage as a power source. Typically, it is used for the ability to use both 110 and 220 volt AC sources. an all-mains set

adj. used of a radio receiver that is adaptable to all voltages; "an all-mains set" [syn: all-mains(a)]