reverse key

reverse key

[ri′vərs ′kē]
(electricity)
Key used in a circuit to reverse the polarity of that circuit.
References in periodicals archive ?
Tenders are invited for Reverse Key Handle For Master Controller To Bhel Cat No.
As government ministers officially took up their positions on Tuesday and Wednesday, they pledge to reverse key aims set out under the previous conservative government, including major privatisation plans for the port of Piraeus and the Public Power Corp utility.
They are available in standard key and reverse key for dual socket applications.
The MPs have signed an amendment that would reverse key aims of the Welfare Reform and Pensions Bill that affect benefits for the disabled.
To study the magnetic field produced on the axis of a current carrying circular coil" set up this means bench frame set up consists of Tangent galvanometer, dc ammeter, reverse key, Battery eliminator etc.
24 /PRNewswire/ -- Seeming to buckle under intense political pressure brought by the state's largest local telephone monopoly, the Pennsylvania Public Utility Commission (PUC) Office of Trial Staff has backed a petition filed by Bell Atlantic that would reverse key provisions of the PUC's landmark order last fall aimed at jump-starting real local phone competition.
For added versatility the spin direction can be alternated clockwise or counter clockwise by pressing the reverse key.
Passage of the Tauzin-Dingell Bill would reverse key pro-competitive provisions of the Telecom Act.