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Articles about Lighting

Will T5 Lamps Work With A T12 Electronic Fixture Ballast?


Retrofitting T12 or T8 to T5. Current fixtures utilize electronic ballast. Will T5 operate on existing ballast or require new…



How To Wire a Digital Timer For a Lighting Control Panel


A digital timer provides a set of contacts which are used for the control circuit of the main lighting contactor or lighting relay. The control circuit requires…



Does it Matter Where the Power Enters 4-Way Switch Wiring?


Yes it does matter where the power enters into the switch wiring. Actually that is just two scenarios, there are more, such as if the power enters at….



Installing a programmable timer for an existing lighting system


If the new timer is to take the place of the existing system then you either need to identify that system and….



Can I install two dimmers for 3-way switches?


Fully explained wiring instructions and wiring diagrams can be found here….



How do I wire my 3-way switches?


In order to answer this question you must first identify the configuration of your existing wiring configuration including….



How can I wire 2 lights controlled by 5 switches?


This can be easily done using the 4-way switch wiring diagram, placing three 4-way switches between two…



How Do I Wire My New Light Fixtures?


Some light fixtures have junction boxes with limited space so they should not be used for distributing the circuit to other locations…



My Florescent Light Fixtures are Not Working


I replaced all eight 4 foot 32 watt bulbs. I replaced the wall light switch. The circuit breaker seems fine. I have electronic ballast but unlikely both fixtures ballast went at same time. What should I do next?



Electrical Question from Jim about Lighting


Question: When I turn on my upstairs bedroom ceiling fan, the light inside of my dining room hutch goes on. The light switch on the hutch is a hidden switch in the door hinge…you just touch the door hinge to turn the lights off & on.



Electrical Question From Harry About Lighting


Question : Currently, over my workbench I have a pull chain incandescent light (14-2 wire). I would like to add 2 new single tube fluorescent fixtures on either side of the incandescent light.



Electrical Question From Shelley About Kitchen Lighting


Electrical Question : Hello. I want to install pendant lights in my kitchen. I have a can ceiling light that is exactly centered above my sink that I think would be the perfect outlet.



Electrical Question From Janey About Lighting


I have 3 wires coming through my wall to my fixture. One is yellow, one brown, and one white.



Electrical Question – Why Do My Light Bulbs Burn Out Often?


Question: The light bulbs in some parts of my house seem to be burning out way too soon. In some of our fixtures, we replace bulbs every 4 weeks or so. Any ideas?



Electrical Question about Under Cabinet Lights


Hi Dave, We have 4 12 volt under cabinet lights in our kitchen. Two of them don’t work on a regular basis. All the wiring got hidden behind the cabinets when we did our kitchen redo a few years back.



Electrical Question from Barbara about Fixture Wiring


Question: Hi I am replacing a ceiling fixture. There is one switch that controls 2 wall fixtures and the ceiling fixture. The new fixture has one white and one black wire. The junction box has 1 white and 2 black wires twisted together; 3 white twisted together and 2 black twisted together.



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