[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

Re: Question about how alarm triggers work

Subject: Re: Question about how alarm triggers work
From: bdolph <bdolph@xxxxxxxxxxx>
Date: Mon, 19 Dec 2005 01:19:11 GMT
Newsgroups: alt.security.alarms
References: <jdc3q11kcrc257kc05u4vuin8qtfvjlaki@xxxxxxx>

How have you confirmed that it is truely a single wire?

BobbyD

BIOSMonkey wrote:

>My home is prewired for a security system and it appears that there are single
>wires going to each window/door.  I am confused, though, how a single wire can
>detect the state of a trigger on the end when there is no common ground?
>
>
>

References:
- Question about how alarm triggers work
  - From: BIOSMonkey

Prev by Message: Re: WaterFlow Recommendations? LONG SPECIFIC ANSWER. RECOMMEND YOU READ IT ALL.
Next by Message: Re: leasing companies
Previous by thread: Re: Question about how alarm triggers work
Next by thread: Running wire for security cameras, and tips on fishing wire?
Index(es):
- Message
- Thread

alt.security.alarms Main Index | alt.security.alarms Thread Index | alt.security.alarms Home | Archives Home