Re: How to use an inductive probe?

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

I've found more often than not it's the stupid lighted switches...replace
with a normal unlighted switch and alls well.



"Robert L Bass" <sales@xxxxxxxxxxxxxxxxxxxxx> wrote in message
news:rfbis1htuesi25ubi6k3vh5tch7f9hb04p@xxxxxxxxxx
| You might not need to use the tone generator at all.  Frequently
| the doorbell transformer is mounted to the outside of the
| electrical breaker box (aka "load center").  Sometimes it's
| mounted to the floor joists near the breaker panel.
| --
|
| Regards,
| Robert L Bass
|
| Bass Burglar Alarms
| The Online DIY Store
| http://www.BassBurglarAlarms.com
|
|
| On Fri, 13 Jan 2006 17:38:04 -0700, "Crash Gordon"
| <webmaster@xxxxxxxxxxxxxxxxxxxxx> wrote:
|
| > because if its a closed loop the tone drops out...its how you can tell
if
| > you have a short.
| > use the red to one side of the loop you're trying to trace and the black
to
| > a good ground and you'll get the best tone.
| > not sure if you can do this with power on the circuit...I forget.
| >
| >
| > "Bob La Londe" <usenet@xxxxxxxxxxxxxxxx> wrote in message
| > news:5vydnfHbuKxRg1XeRVn-ig@xxxxxxxxxxxxxxx
| > | "Chet" <mehta.chet@xxxxxxxxx> wrote in message
| > | news:1137088252.425465.315240@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
| > | > Our door bell stopped working a few months back and I've been trying
to
| > | > figure out what might be wrong. The doorbell button has a built-in
| > | > light which is off now. I replaced it with a new button and the new
| > | > button doesn't light either. That led me to check the voltages at
the
| > | > doorbell unit and it has no power.
| > | >
| > | > I understand that doorbells run at a lower voltage which is achieved
| > | > via a step-down transformer. My problem is that I can't seem to
locate
| > | > the transformer. I checked at the obvious places (near the furnace,
| > | > near the fuse box, behind the doorbell chimes) but haven't found it
| > | > yet. My next option is to trace the wires from the doorbell using an
| > | > inductive probe.
| > | >
| > | > I obtained a Progressive Electronics Model 700C kit which include
the
| > | > 200EP Inductive Amplifier and Tracer 2 Model 77HP tone generator.
| > | > Unfortunately I can't locate the instructions to use the unit. I see
| > | > the Tracer 2 tone generator has two alligator clips (black & red).
Do I
| > | > just connect one (red?) of these to the wire that's supposed to come
| > | > from the transformer to the door bell, set the switch to "Tone" and
| > | > then use the inductive probe to follow the wire or do both wires
need
| > | > to be connected?
| > | >
| > | > Appreciate instructions or suggestions you might have. Thx!
| > | >
| > | > :Chet.
| > |
| > | I tried once to located a transformer for a door bell with a toner and
| > | probe, and then with a cable locator.  I never did find it.  One trick
I
| > | have learned since then is sometimes you can locate a wire of a pair
| > easier
| > | if you just connect one lead instead of both.  Not sure why, but it
works
| > | sometimes.
| > |
| > |
| > | --
| > | Bob La Londe
| > | www.YumaBassMan.com
| > |
| > |
| > |
| > |
| >
|
|