Centennial College

• EET 115

• LAB #4 Controlling a Light from 3 Locations Using AC90 Objectives: • To understand all theory reviewed and wire a 120 V, four-way switching of a lighting circuit using AC90 armoured (BX) cable. Materials & Tools Required: ● #14/2 and #14/3 AC90 Cable (BX) ● Linesmen Pliers ● Lamp Holder ● Diagonal Pliers ● L16 (1/2”) Connectors for BX ● Needle-nose Pliers ● Device Boxes ● Screwdrivers (Various) ● Octagonal Box ● Wire Strippers ● 120 V Three-way Switches ● Wire Nuts (Marrettes) ● 120 V Four-way Switch ● Light Bulb ● 120V 15A Breaker ● Deck Screws ● Anti-Shorts NOTE: Do not install any improper or damaged components. Wiring must be performed to meet current electrical code requirements. Installation Instructions: • Install AC90 from breaker panel to the required outlet boxes. • Be sure to install according to the CEC rules. I.e., points of support, correct length of wire in box). • Connect switches and light. • Connect to panel with correct size b