ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Shout Box
Recent Posts
Linear Power Supply Quits Under Load
by sabrown. 10/17/18 05:06 PM
220/230/240V 60Hz Systems
by dsk. 10/17/18 01:25 PM
PLC/HMI Enclosure C2, D1
by ghost307. 10/16/18 03:31 PM
Tingle off the water spigot
by dsk. 10/15/18 02:36 PM
New in the Gallery:
What is this for?
Plug terminals
Who's Online Now
0 registered members (), 30 guests, and 10 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Time Domain Reflectometers #130073
01/31/06 12:51 PM
01/31/06 12:51 PM
M
maintenanceguy  Offline OP
Member
Joined: Dec 2001
Posts: 300
Southern NJ, USA
Can a TDR be used to find faults in electrical installations. I know they'll work on long cable runs but if you tried to use one to find an open wire in a building, would you get a bounce off of every wire nut, lug, and terminal screw between you and the open?

Tools for Electricians:
Re: Time Domain Reflectometers #130074
01/31/06 06:34 PM
01/31/06 06:34 PM
N
NJwirenut  Offline
Member
Joined: Sep 2001
Posts: 806
Bergen County, NJ
Yes, you would see every splice and tap, but the reflections from those would be a lot smaller than the reflection from the open conductor.

Re: Time Domain Reflectometers #130075
02/02/06 01:28 AM
02/02/06 01:28 AM
J
JoeTestingEngr  Offline
Member
Joined: Nov 2005
Posts: 798
Chicago, Il.
I don't think that it would be the technology of choice to hunt down an open in a building though. I would think that some sort of signal injection and sniffing scheme would serve better than a TDR in that application.
Joe


Featured:

2017 Master Electrician Exam Preparation Combos
2017 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
Samurai
Samurai
Fl.
Posts: 46
Joined: May 2007
Show All Member Profiles 
Top Posters(30 Days)
sparky 11
Popular Topics(Views)
250,397 Are you busy
188,007 Re: Forum
177,574 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Release build 20180101)
Page Time: 0.015s Queries: 14 (0.003s) Memory: 0.9507 MB (Peak: 1.0760 MB) Zlib enabled. Server Time: 2018-10-18 22:25:34 UTC