Thursday, March 19, 2009
Letter L
Ladder Logic
A method of programming a programmable logic controller that
uses symbols that evolved from the diagrams used with control
relays.
Limit Switch
A type of switch that opens or closes its contacts when its
actuator is moved by an object.
Load Center
An industry term used to identify a lighting and appliance
panelboard designed for use in residential and light commercial
applications.
Local Area Network (LAN)
A communication system that interconnects devices within a
limited area, but may also connect to other networks for largerscale
communication.
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