Surging Window AC - Outlet Or Wiring? - Electrical - DIY Chatroom Home Improvement Forum
Advertisement


Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Electrical

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread
Display Modes
Old 09-18-2018, 06:19 AM   #1
Member
 
Join Date: Oct 2017
Location: Greater Boston area, MA
Posts: 79
Rewards Points: 136
Default

Surging Window AC - Outlet or Wiring?


I’ve got an old house with knob and tube wiring. This summer I plugged a 5,000 BTU window AC in my bedroom and ran it. It’s plugged directly into the wall. No problem until 2 weeks ago.

I’d turn it on, and it would “surge”, as in it sounded like it wasn’t getting consistent power. It would run, then sound like it’s lagging and struggling for power - similar to a car’s RPMs bouncing around vs. being at a stable operating speed.

It’s not the unit itself, I ran an extension cord to a different outlet and it was perfect. This leads me to believe it’s something bigger.

Normally I’d think maybe the outlet needs help, but I’m wondering if symptoms like I’ve described are common in knob and tube homes where I should take extra precaution?
WalkThisWhey is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 09-18-2018, 07:32 AM   #2
Member
 
Join Date: Jan 2010
Location: Saskatoon Sk. Canada
Posts: 1,003
Rewards Points: 250
Default

Re: Surging Window AC - Outlet or Wiring?


What else is on the circuit that you normally plug the AC into? Another large load or several smaller loads will draw near or over the maximum that the circuit can handle.

A loose connection in the circuit could cause the same issue.
daveb1 is online now   Reply With Quote
Sponsored Links
Advertisement
 
Old 09-18-2018, 07:36 AM   #3
retired framer
 
Join Date: Jun 2017
Location: Fraser Valley BC Canada
Posts: 34,592
Rewards Points: 12,842
Default

Re: Surging Window AC - Outlet or Wiring?


Quote:
Originally Posted by daveb1 View Post
What else is on the circuit that you normally plug the AC into? Another large load or several smaller loads will draw near or over the maximum that the circuit can handle.

A loose connection in the circuit could cause the same issue.
And that loose connection can be hidden in a wall with out a box.
Nealtw is online now   Reply With Quote
Sponsored Links
Advertisement
 
Old 09-18-2018, 08:13 AM   #4
Super Moderator
 
joed's Avatar
 
Join Date: Mar 2005
Location: Welland, Ontario
Posts: 20,160
Rewards Points: 31,632
Blog Entries: 11
Default

Re: Surging Window AC - Outlet or Wiring?


Knob and tube wiring does not loop through receptacles like modern wiring. There is usually one main trunk with spurs off it to the receptacles and lights etc. The connections are all soldered. I doubt it is a loose connection on K&T unless someone has been messing with it.
joed is online now   Reply With Quote
Sponsored Links
Advertisement
 
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Wiring help - 3 switches + Outlet 62caster Electrical 12 09-08-2016 12:50 PM
Simple Extend an Outlet Wiring Question Curmudgeon10 Electrical 15 03-05-2015 01:21 PM
Help with a Window Removal/Install anthony232 Windows and Doors 12 09-18-2013 04:39 PM
Wiring a GFCI Outdoor Outlet from an Inside Outlet - Parallel or Series? Pacal Electrical 28 11-13-2010 03:36 PM
Outlet Wiring Question (Please Help!) joshg3p0 Electrical 34 02-05-2010 01:40 PM




Top of Page | View New Posts