A third reason that would not be normal and i will explain below 1st the 2 sets of wires can be because you have another light fixture that is turned on and off with the same switch. How to install a ceiling fan box and the support with photos.
Wireless Light Switch And Receiver Kit For Lamps Ceiling Fans Appliances Night Light Indicator No Wiring No Wifi 2 Gang Button 2way 2 Switches 2
Two sets of wires in ceiling box. The new lights junction box has the standard 3 holes. Each switch outlet or other device counts as two wires. Twist the ends of the two light fixture lead wires together. You need to check with a continuity checker to find out if two of the wires go to the switch and if the other two are a 120 volt line. Shows the flat ceiling fan box a spanner bracket box the box marker for drilling the hole for the ceiling fan box installing the wire and attic wiring wiring to the ceiling fan box measure for the ceiling fan box support installing the ceiling fan support brace the electrical wiring to the ceiling fan box and installing the. Connect the two black wires from the light fixture to the black wire from the electrical box the same way you connected the white wires.
Number of conductors allowed in a wiring box. But if you have two sets of wires coming through the back or side of the box you have two reasons possible. Each insulated wire all cable clamps combined all uninsulated wires combined and each support for light or another fixture count as one wire. Out of the ceiling are two sets of wires 2 blackred pairs together with what may well be earth wires however these two wires were already joined together by a terminal block. Next connect one of the wires from the light to one white wire and the other wire from the light to the other white wire then wire nut both. The fixture box you are referring to has one 2 wire cable providing the line or power in two 2 wire cables that take power to other locations and one 2 wire that is used for the switch which explains why you see a white wire attached to the other black wires.
Hello all im fitting a new ceiling light. Twist the bare copper wire from the light fixture electrical box around the green screw located on one side of the strap. Connect the two white wires from the light fixture to the white wire located in the electrical box by twisting an orange wire nut onto all three wires. Test with the switch before you hang the light. Jumper wires which originate inside and dont leave the box however count as zero wires. This is not always the reason that you have two sets of black and white wires in a box.
Gallery of Two Sets Of Wires In Ceiling Box
