Join the 9 million people who found a smarter way to get Expert help

Recent Light Switch questions

I am trying to setup my smart home to use motion sensor to

I am trying to setup my smart home to use motion sensor to turn on and off led lights throughout my house. I need to decide how long it should wait without detecting motion to turn off the lights. I am afraid that setting it for too short duration like "5 minutes" will put too much wear and tear to the switch and not really save energy because LED are so efficient that the act of switching them on and off could take more energy than had they been lit for 15 minutes rather than being lit for 5 minutes ....unlit for 5 minutes ...and lit again for 5 minutes ?I think I was told that turning the PC and and off is more wasteful than just letting it turned on, and they may have told me about about over appliances too.Personally even if I don't save energy I like to keep lit only when needed as long as I don't waste energy either by the act of the switch going on and off, or put too much wear and tear on the switch. Of course I don't actually touch it, but there is still some mechanism going on and off in the switch and if that's triggered for 10,000 a year vs 1,000 times a year it still matters no ?

Read more

Kevin

Supervising Electrician

Diploma

4,550 satisfied customers
I have been trying to find the source of an open neutral

I have been trying to find the source of an open neutral issue. I found an outlet that has a line where the black wire is connected to the outlet but the black wire for the load is not connected to the outlet (the end is just covered in electrical tape) and the line's white wire is not connected (covered with electrical tape) but the load white wire is connected to the outlet. What are the reasons this outlet is wired this way?

Read more

Mike G.

Master Electrician

Vocational, Technical or Trade Scho

10,066 satisfied customers
I'm trying to replace an electrical switch that control two

I'm trying to replace an electrical switch that control two light fixtures in a utility room. The metal electrical box has three sets of 14-2 wires into it. All of the white wires are tied together back in the box. The three black wires are connected as follows. 1 left side upper screw, right side screw(nothing connected). Two additional black wires pushed into to the upper half (holes) on the back of the switch. This is an older switch in an older home. 40 years old apprx.I have bought a single pole switch which has a left side green screw and two gold screws upper and lower on the right side. Do I have the right switch for this project?

Read more

Kevin

Supervising Electrician

Diploma

4,550 satisfied customers
I'm trying to install the Honeywell RPLS540A programmable

Hi. I'm trying to install the Honeywell RPLS540A programmable timer in an existing location that had a lutron switch. It's a 3 way switch...controlled by a switch on the other side of the room. When I installed it yesterday, I connected the black wire (located from the black screw on the Lutron fixture...which I think is the LINE wire) to the LINE feed on the Honeywell fixture. I connected the other black wire (LOAD) to the LOAD black wire on the Honeywell fixture. The 3 way wire I connected to the remaining wire. The green ground I connected to a screw. When I turned on the circuit breaker, all seemed okay, except I noticed the lights had a pulsating dim then went bright. Then the lights remained at that level. However, when I went to the switch on the other side of the room and turned it off, it turned off the other switch (with the Honeywell fixture) entirely. Could I have mixed up the LINE and LOAD switches? I have been researching everything on line and can't find anything that makes sense.JA: I'll do all I can to help. How long have you been dealing with this?Customer: Since yesterday afternoon. I am getting back to it right now. Contacting you before opening the outlet again.JA: Do you plan on doing the work yourself?Customer: Yes, but if need be I will contact an electrician. I've installed other Honeywell timers that work perfectly fine...but this one seems to be a little different.JA: Anything else we should know to help you best?Customer: It seems that the new Honeywell timer needs constant power...so that the other switch doesn't turn it off. I just don't want to switch the wires and have sparks fly.

Read more

Alex

Owner

Bachelor's Degree

2,116 satisfied customers
I have three wires three black wires 3 ground wires breaker

I have three white wires three black wires 3 ground wires breaker keeps flipping every time I turn on the light switchJA: I'll do all I can to help. How long have you been dealing with this?Customer: Well today my wife asked a friend to wire in a celling fan when I was at work came home went to turn on the light and the breaker flipedJA: Do you plan on doing the work yourself?Customer: YesJA: Anything else we should know to help you best?Customer: I know my main hot wire is black

Read more

Sam Irvin

Electrical Systems Journeyman

62 satisfied customers
I replaced a light switch that controls the bottom of five

I replaced a light switch that controls the bottom of five outlets in my daughter's bedroom. I didn't touch any of the outlets themselves. However, it doesn't work now. The outlets are just on all the time now. There is another switch next to this one that controls a ceiling fan. The ceiling fan works. I've tested all three or four ways of connecting the wires. No luck. Any ideas? Thanks!

Read more

Alex

Owner

Bachelor's Degree

2,116 satisfied customers
For Z-Wave 3-way switches I think GE should work best If I

for Z-Wave 3-way switches I think GE should work bestIf I am not mistaken I need to get :(1) http://www.homedepot.com/p/GE-Z-Wave-600-Watt-CFL-LED-Indoor-In-Wall-Dimmer-Switch-Almond-White-Paddles-12724/205798443&(2) http://www.homedepot.com/p/GE-Home-Automation-120-VAC-3-Way-Auxiliary-Add-On-Switch-Almond-White-Paddles-12723/205798442And I want to replace all my boxes to metal one Is there a metal box that can be adjusted in such a way to expand it as much as possible based on the available space - meaning ""universal" or "Adjustable" Would this be such one:http://www.homedepot.com/p/4-in-Square-Welded-Box-1-1-2-Deep-with-1-2-and-3-4-in-TKO-s-and-Universal-Bracket-8196/100551666

Read more

George Smith

Vocational, Technical or Trade School

10 satisfied customers
I have replaced to standard 15amp breakers with two ARC

I have replaced to standard 15amp breakers with two ARC 15amp fault circuit breakers. One of the two kicks off after I return power to the breaker box. This particular circuit is present in various areas of my house (various lights, outside outlets (with GFI) and a garage light and outlet (also GFI).How can I trace down the issue ? I have returned the original breaker to the box, and it now works fine, but I'll need the ARC one in to pass inspection - and of course if this is pointing out a problem with the my wiring, I would like to resolve it.

Read more

Kevin

Supervising Electrician

Diploma

4,550 satisfied customers
Im installing a new light switch to my hallway light. The

im installing a new light switch to my hallway light. The junction box has 3 sets of wires. I have neve seen this before so i dont know what to do. I hooked up the light switch and it worked, but the light in a bedroom as well as some outlets stopped working unless the hallway light was on.JA: I'll do all I can to help. How long have you been dealing with this?Customer: for all of eternityJA: Do you plan on doing the work yourself?Customer: siJA: Anything else we should know to help you best?Customer: no

Read more

Kevin

Supervising Electrician

Diploma

4,550 satisfied customers
View more electrical questions
In The News