In above fig all the three light points are connected in series. To wire this circuit in this manner you will need to run a 143 between the two light boxes.

Troubleshooting Problem Wiring Power Gt Two Fluorescent
How to wire two fluorescent lights to one switch. You may want to control two lights with one switch in certain locations around your home such as the front entrance or a double bay garage. Cut a length of 142 nonmetallic cable nm that measures 30 cm 12 inches longer than your measurement. Aug 7 2013 how to wire a 2 way switch how to change or replace a basic onoff 2 way switch more information wiring diagram for multiple lights on one switch power coming in at switch with 2 lights in series. Start wiring the fixtures with the farthest fixture from the power supply. A cord could be added to one of the fixtures which would have a 3 wire male cord cap for plugging into the wall. Connect the white wires from the fixture and the nm cable in the same manner you connected the black wires.
Use a dual nm cable strippercutter to strip six inches of plastic sheath from the nm cable. Run a length of two conductor wire from the existing fluorescent fixture to the new fixture. This will allow you to connect the first light as you described above and to run this additional light from the same switch by utilizing the red conductor in the 3 wire as the switched conductor and the black wire as the continuous hot wire. The wire size should be no less than 14 gauge. Ez led t8 fluorescent 2 tube light conversion in 5 minutes or less by total bulk lighting duration. Measure the distance between each fluorescent fixture.
If there is more than one black wire connected to the switch follow the instructions in step three. Using a length of wire you cut in step 2 twist an orange wire nut to the black wire from the fixture to the black wire from the cut length of nm cable. If there is only one black wire connected to the switch follow the instructions in step two. Loosen the screw on the side of the cable clamps on both fixtures. Feed the ends of the wire through the cable clamps and tighten the screws until the wire is secure. How to wire lights in series.
The l line also known as live or phase is connected to the first lamp and other lamps are connected through middle wire and the last one wire as n neutral connected to the supply voltage then. Each lamp is connected to the next one ie. Repeat this step for each fluorescent light you will wire in this series. How to wire a single pole light switch duration. If the light table is in a commercial style work area where there is surface conduit installed then flexible conduit should connect to a junction box where a switch could be installed.