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Photocell and circuit breaker

I bought a Steinel 3000 photocell. In instructions it says it needs to be installed next to 10amp circuit breaker. Is there a need to buy a separate box or will the fuse board do the same job?

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  • 1730833 Feb 27, 2009

    Hi,

    Thanks for reply! Just to clarify, would 3amp fused switch do the same job (the whole system is on 30amp circuit breaker)?

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Hi, Here is my clarification of the instructions for you. The photocell must be protected by at least a 10 amp circuit breaker. The photocell may be installed next to the light fixture. ( not the breaker). Good Luck, this should Fixya!

Posted on Feb 27, 2009

  • Jim London
    Jim London Feb 27, 2009

    Hi, The specs call for a 10 amp minimum, usually this is to allow for the 1000W switching capability without knowing the exact current draw. Since I do not know what you are switching I would only be guessing at your success with not constantly blowing the 3 amp fuse. If you have several fuses you can certainly try it, if it doesn't work, I believe a 10 amp fused switch may be less expensive than adding new wiring and breaker. Good Luck to you!

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1999 jeep. Wrangler #3 fuse (10amp) for instrument panel just started blowing. I put new fuse in and turn key and it blows. Just bought jeep last Monday.


that fuse blowing saved the ensuing fire. that is its job, no fires.
that means, it has a dead short on that line,.

if you dont have an ammeter, and fuse circuit breaker adapter tool.
both cheap) you will play H3LL finding it.

so wana buy tools or guess. you can inspect that line for free.
looking for days. ????
the first thing to do is look at the schematic,
for fuse 3 (fuse 3 inside or outside fuse box.) there are 2 fuse 3s/
seen here for free
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

one fuse 3 is 30amps. runs the ignition switch (vast paths)
fuse 3 PDC. must not be that one.
the interiour box, is called FB, or junction box.
it has a #3 too. called FB

page 8w-11-4 see that page.
see all them loads.... all can short. or the wires.
its and ORANGE wire (USA colors)
PRNDL LAMP
FOG LAMPS
RADIO
REAR DEFOG.
A/C HEAT.
REAR WASHER.
AND BINGO. INSTRUMENT CLUSTER.
ONE OF THOSE is shorted, or the path to it.
we use and ampclamp meter $45 to find this.
it tell which line is shorted and in which direction.
makes finding it easy,

http://www.mcmelectronics.com/product/72-7224

matching size, i use a CB.
ATC fuse circuit breakers 10amp
this allows me to find the short, and not need a box of 100 fuses.
i have a 1 hour video that shows (no me, a school)
showing how to find shorts. (youtube)

http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=ATC+fuse+circuit+breakers+10amp&rh=i%3Aaps%2Ck%3AATC+fuse+circuit+breakers+10amp


if fuse size is ATC, get thermal breaker.
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is this the answer you want or a wild guess.?

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How do you connect a photo cell to a 220v HID fixture?


You can connect photo eye white wire to ground wire, and it will work, since each hot wire in 240V circuit carries 110V to ground.
But this installation is not code.
It is not necessarily dangerous if you are only person working on electric circuits, and you remember what you did, and don't work inside main box without turning off power.

See illustrations.
http://waterheatertimer.org/How-to-install-and-troubleshoot-photo-eye.html

Running a White neutral wire from nearby outlet is best solution.

Or buy 240Volt photo eye.

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Need to install a 2pole 20 amp gfci breaker in an ite bq panel. what are my options as I don't think they make this breaker in type bq?


Hi Pauline, I'm an electrician and can help you with this problem.

The only breakers that are permitted to be installed in any circuit breaker panel are listed inside the door on the label. Introducing any other type or brand is a fire hazard and a code violation. The national electrical code is very clear on this.

If you need to provide a GFCI protected circuit from this panel, you'll probably need to install a smaller panel from this panel - called "sub-panel" of a brand and type that will accept a GFCI circuit breaker. This is done by purchasing a 2P20A GFCI breaker and a smaller circuit capacity / ampacity panel rated for the same voltage as the main panel. You'll also need a ground terminal strip for this panel, too. A 60A main lug panel with 8 or more circuits type panel might be a good place to start. Purchase a 2P circuit breaker with an ampacity no greater than the sub panel is rated at - in my example - a 2P60A would be right. You may use a smaller breaker (2P40A or 2P50A) if you wish - but none greater. Mount the sub panel in a location near the main panel. Remove and discard the bonding screw or lug (if provided and installed already) that may connect the neutral bar and threaded into the panel enclosure. Install the ground terminal strip you purchased separately into the threaded holes provided for it inside the panel enclosure. Install the Ground symbol sticker next to this bar. Run a 4 conductor cable, pipe & wire, etc. feeder sized for 60A based on the location, temperature, etc. between the main panel and the main lug panel. Terminate the cable the sub panel end as follows: black & red or "hot" wires into the the lugs that are connected to the bus bars, white or "neutral" to the neutral bar and the bare or green "ground" wire into the ground terminal strip you installed previously.

Next terminate the other end of the cable. Power off the main panel completely. Terminate the white neutral and the bare or green cable in the neutral bar in separate terminals. Install only one wire per terminal - do not "double up" wires under a single screw. If there is a separate strip for neutral and separate strip for ground - maintain neutral wires to neutral strip and ground wires to ground strip. Also, do not intermix ground and neutral wires in the others terminal strips! Install the 2P60A breaker in an unused space in the main panel. Connect the two hot wires to the breaker terminals. If using aluminum wires, be sure to clean and apply oxide inhibitor to stripped ends of the wires.

Now, you should have a smaller panel with 8 or more empty spaces for circuit breakers that will become live when the 2P60A breaker is in the main panel is turned on. With it still off, install the 2P20A GFCI breaker in the new sub panel. Run your circuit(s) to this panel. Connect them as usual - but any neutral and ground wires installed must be terminated in their respective terminal strips. As mentioned above, never install them in the others strip.

If installing in a 3 phase environment - you may wish to install a 3 phase sub panel so that 3 phase loads can be connected to it. This will require a 3P60A breaker and 5 wires instead of 4 wires to be run between the two panels. The additional wire would be a hot and blue in color for a 240/208/120 panel.

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QO115GFI breaker trips when I switch on the breaker next to it.


I happen to have one of these in the box, so I've reviewed the installation & on-line literature for this model. Let's address installation notes:
Don't connect more than 250 ft of load conductor for the total one-way run, to prevent nuisance tripping.
The breaker is to be used on grounded power supply circuits only. We're talking a properly-grounded breaker box, not just the protected circuit.
Look at the side of the breaker. You will notice that the curly white wire is meant to be connected to the (properly grounded) neutral bar in your panel.
The circuit neutral that you're protecting should be landed on the terminal just above that curly wire. Make sure you have the right neutral!
The circuit's hot wire would of course be landed on the topmost screw.
You did not state what you mean by "the breaker next to it": just above, just below, or directly across from the GFI breaker?
I suspect that you meant just above or below the GFI breaker. And I assume you've swapped out other breakers to rule out a defective breaker.
Now, it is possible that you have a "shared neutral" situation. It's a common wiring practice to use one neutral wire for two "hots", where one circuit is fed from the phase A side and the other is fed from the phase B side, (which you'll have in a two-pole, 220V breaker), picking up a 110 volts from each phase. The two 110v "Hots" share a single neutral wire between them to carry return current. The phase shift between the two phases allows this.
However, to avoid nuisance tripping of your GFI, your protected circuit cannot share neutrals with another circuit, as the "other" circuit's operation will cause the 6 milliamp differential between current out (hot) and current return (neutral) which the GFI by design senses and trips.
Your GFI-protected circuit probably needs its own dedicated neutral!
I'd like to hear what you find. Good luck!

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1 Answer

I have the same problem listed above. I bought a touch and glow photocell at Lowes to go along with a yard lamp with lights on three arms. It is wired exactly as directed. Black to black, power source...


You have 120volt photocell.
http://waterheatertimer.org/How-to-wire-Cooper-277-pilot-light-switch.html#photo-eye

Wiring sounds correct.
Lights are on all the time, even in daylight.
How is the power by-passing the photocell shut-off?
Disconnect ground wire to make sure there is not a ground fault causing circuit to complete on ground wire.
Otherwise the photocell might be bad.

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1) If busbar looks good it probably is good.
Usually when bus is bad, it has burned appearance, and looks like it is ready to crumble or is crumbling.

2) Problem with bad busbar, we sometimes add subpanel next to main box.
Buy subpanel box Home center or electric supply.
Square-D subpanel shown on following page came from electric supply.
http://waterheatertimer.org/How-to-install-a-subpanel.html

3) You can also add tandem breaker to main box.
Tandem breaker fits over one bus finger, but is actually two separate breakers.
Then double-up two lightly used circuits so you have room to move breakers around.
See image showing tandem.
http://waterheatertimer.org/images/ap-235-breakers.jpg

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I would like a wiring diagram for an outdoor receptacle controlled by a photocell. Photo cell has 1 each black wire, red wire and white wire.


If I understand correctly, you want to add a photocell to existing receptacle.

Start by looking at receptacle:
Receptacle has 3 different colored screws.
Green screw for bare ground wire
Brass screws with black Hot wire connected.
Silver screws with white Neutral wire.

How to wire photocell to receptacle.
Remove black Hot wire off of brass screw and connect black wire to photocell-black wire. This will power the photocell switch.
Connect photocell-red wire to brass screw on receptacle. This will turn receptacle on-off whenever photocell switch turns on-off.
Connect photocell-white wire to silver screw, and this will complete circuit to photocell switch so the switch is able to operate.
All white Neutral wires are connected to silver screws.

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1 Answer

Aquaman987 - Tonight I hid the photocell between two transformers, definitely NO ambient light, no luck. Placed black electrical tape over the photocell, no luck. On again and off again in 2 to 32 minute...


1) If this is new installation: Check wiring.
Black to Hot from breaker.
White to Neutral from breaker box.
Red to Load (light)

Neutral wire is necessary to operate photoeye.
http://waterheatertimer.org/See-inside-main-breaker-box.html

2) If installation worked at one time but doesn't work now, then photocell is bad.
Or if photocell is new, they arrive defective sometimes.
Proof is your black-tape test.
Buy new photocell from Home Center electric department, or lighting department and connect wiring as described above.

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For a price, expert speaks with you over phone while you work on circuit or any do-it-yourself project.
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1 Answer

Wireing diagram do not no were thay go three wires


K4221C photo cell page at Intermatic:
http://www.intermatic.com/products/photo%20controls/commercial%20%20industrial/stem%20%20swivel%20mount%20-%20thermal%20type.aspx

Photocell has black, white and red wires on photocell.
Black goes to Hot from breaker.
White goes to Neutral from breaker box
Red goes to Load (light)

Electricians don't guess, they test.
You should have one wire coming from breaker box, and another set of wires going to light.
Separate wires for testing.
Since you are outdoors, stand on dry boards and tape tester leads to wood sticks to keep hands away from power.
Turn power ON
Test each wire to bare ground wire.
Tester lights up on hot wire. This wire should be black.
Hot wire connects to photocell black

Hot is identified.
Test Hot wire to all wires except bare ground.
Tester lights up on neutral. This wire should be white.
Neutral wire connects to photocell white

Now the other cable goes to Load. This cable has a black and white wire.
Connect photocell red to black Load wire
Connect white Load wire to Neutral, along with photocell white.

Ground wires are twisted together.

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Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on any do-it-yourself project.
Fixya is always less expensive than a service call.

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