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What is this used for? #10133
05/31/02 07:28 AM
05/31/02 07:28 AM
Joe Tedesco  Offline OP
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
[Linked Image]
Hi Joe,
I had a customer show me this plate and asked me what it was. I could only assume it was used for a porcelain type lampholder mounted on the cover but I wasn't sure.

Thank You,
Mark V. Randazzo


Joe Tedesco, NEC Consultant
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Re: What is this used for? #10134
05/31/02 12:36 PM
05/31/02 12:36 PM
B
Bjarney  Offline
Moderator
Joined: Apr 2002
Posts: 2,527
West-Southern Inner-Northeast ...
I could only imagine it used for a surface-mounted cleat-type lampholders, but they are intended for open, exposed wiring. Bet there's no UL on it, nor conductor-limitation markings.

Bet it gave some punch-and-die maker a red woody too.


[This message has been edited by Bjarney (edited 05-31-2002).]

Re: What is this used for? #10135
05/31/02 03:59 PM
05/31/02 03:59 PM
G
Gwz  Offline
Member
Joined: Apr 2002
Posts: 197
Haven't seen a cover like that, but the hole pattern appears to match what I would call " a crows foot fixture stud " which bolted to the bottom of 8b' and 1900 boxes then could screw fixture stud extenders to support lighting fixtures.

Re: What is this used for? #10136
06/02/02 08:51 PM
06/02/02 08:51 PM
S
Steve Miller  Offline
Member
Joined: Aug 2001
Posts: 325
Loudoun Cty, VA
Many years ago I hung a bunch of pendant fixtures that used these. They had a strain relief that attached to the plate (like a crows foot) and a canopy that slid up and snapped on the strain relief and hid the whole thing. Haven't seen these for a while.

Re: What is this used for? #10137
06/02/02 10:43 PM
06/02/02 10:43 PM
E
ElectricAL  Offline
Member
Joined: Oct 2001
Posts: 597
Minneapolis, MN USA
Besides lampholders, the more common use of this cover plate, in my experience, was for mounting the old round, porcelain-backed twist switches. The narrow slots accepted the mounting screws (bolt and nut) and the wider "clover leaf" allowed the conductors to enter the holes in the back of the switches.


Al Hildenbrand

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