How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Mike Your Own Question
Mike
Mike, Master Electrician
Category: Electrical
Satisfied Customers: 1425
Experience:  Licensed Master Electrician - OnQ Certified Data Voice Audio Video Installer
11762411
Type Your Electrical Question Here...
Mike is online now
A new question is answered every 9 seconds

I need to superimpose a control signal over the 120 volt

Customer Question

I need to superimpose a control signal over the 120 volt line
Submitted: 11 months ago.
Category: Electrical
Expert:  Wayne Roberts replied 11 months ago.

Hello, My name is ***** ***** I would love to help.

Expert:  Wayne Roberts replied 11 months ago.

This will perform as desired in a rudimentary way.

Expert:  Wayne Roberts replied 11 months ago.

What are you trying to accomplish?

Expert:  Wayne Roberts replied 11 months ago.

To really know how to help you, i will need more information. Things like distance and frequency matter.

Customer: replied 11 months ago.
Wayne,http://www.ebay.com/itm/Vintage-Simplex-School-clock-Large-13-face-synchron-electric-movement-507-049-/162150507483?hash=item25c0ec63db:g:CGgAAOSwZVlXkX~o This clock resets by receiving a 3510khz pulse over the 120v line. It's normally handled by a master clock
Customer: replied 11 months ago.
It's possible to make the reset system fire off with a signal generator, but there has to be some kind of isolation from the 120v and the signal generator