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The point machine (in this case an electric motor) and associated mechanism used to operate this switch can be seen to the right in the picture. A point machine (also known as a point motor, switch machine or switch motor) is a device for operating railway turnouts especially at a distance.
Blankets for two-person beds often have separate controls for each side of the bed. The electric blanket may be used to pre-heat the bed before use or to keep the occupant warm while in bed. Electric blankets usually use between 15 and 115 watts, and some modern "low voltage" electric blankets have thin carbon fiber wires and work on 12 to 24 ...
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
Electric blankets can pose a potential fire hazard, which gives many people pause. So we turned to fire safety experts and professional electricians to find out how safe it is to snuggle up with a ...
Turnouts facing and trailing. Note that this diagram is for left-hand traffic; for right-hand traffic, "F" and "T" would be swapped.. Facing or trailing are railway turnouts (or 'points' in the UK) in respect to whether they are divergent or convergent.
Electric locking "The combination of one or more electric locks or controlling circuits by means of which levers in an interlocking machine, or switches or other devices operated in connection with signalling and interlocking, are secured against operation under certain conditions." [19] Section locking
Without using moving parts, they are called solid state switches, which distinguishes them from mechanical switches. [ 1 ] Electronic switches are considered binary devices because they dramatically change the conductivity of a path in electrical circuit between two extremes when switching between their two states of on and off .
A single tongue trap consists of only one switch rail, leading away from the main line to a short tongue of rail. This is usually placed in the rail farthest from the main line. Double trap points are a full turnout, leading to two tongues. Usually the tongue nearer the main line is longer than the other.
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