Tagged: controls

Unit 17 Two – Wire Controls Objectives

Unit 17 Two – Wire Controls Objectives

Unit 17 Two-Wire Controls Objectives Unit 17 Two-Wire Controls Objectives After studying this unit , the student should be able to • List the advantages of two-wire controls . • Connect two-wire devices to...

THREE – WIRE CONTROLS

THREE – WIRE CONTROLS

THREE-WIRE CONTROLS THREE-WIRE CONTROLS A three-wire control circuit uses momentary contact , start-stop stations , and a holding circuit interlock connected in parallel with the start button to maintain the circuit . In general...