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#15637 - 10/24/02 02:53 AM Cable Lube  
Trumpy  Offline

Joined: Jul 2002
Posts: 8,211
SI,New Zealand
When pulling cables through a conduit,
what, if any, sort of lube do you use?
What is the best sort of Lube?.

Let's face it, these days if you're not young, you're old - Red Green grin

Work Gear for Electricians and the Trades

#15638 - 10/24/02 03:53 AM Re: Cable Lube  
nesparky  Offline
Joined: Jun 2001
Posts: 642
I use either a product called yellow 77 or polywater. Both work just fine cost is the deciding factor most of the time.


#15639 - 10/24/02 05:48 AM Re: Cable Lube  
gramps  Offline
Joined: Aug 2002
Posts: 112
we use a product called "aqua-gel". seems to work better than the old "yellow-77", and evaporates rather than getting sticky and "gluey" like the yellow-77. i have had to pull out cables such as MCM 250-500 before, that had been originally pulled with yellow-77, and they were stuck inside the pipe like super-glue, sometimes, nearly ripping the conduit down, just to get them to budge a little.

#15640 - 10/24/02 06:04 AM Re: Cable Lube  
sparky  Offline
Joined: Oct 2000
Posts: 5,307
i owe someone a thank you in this forum, used thier trick of lube/mouse pull back and forth in 340' of 3" .

the 350 URD triplex went like S#$! thru a goose! [Linked Image]

all my lube froze this week..... [Linked Image]
don't they sell a non-freezing kind???

#15641 - 10/24/02 06:32 AM Re: Cable Lube  
walrus  Offline
Joined: Jul 2002
Posts: 680
Bangor Me. USA

Ideal makes a non freezing lube,(agua gel?) but the claim is like 30 degrees. Not much help in No New England, especially this year it seems [Linked Image]. Mighty chilly already.

#15642 - 10/24/02 09:13 AM Re: Cable Lube  
Joe Tedesco  Offline
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
NEC Rule in Article 517:

"Wire-pulling compounds that increase the dielectric constant shall not be used on the secondary conductors of the isolated power supply."

Don't ever use axel grease!!!

Fire Hazard!!!

[This message has been edited by Joe Tedesco (edited 10-24-2002).]

Joe Tedesco, NEC Consultant

#15643 - 10/24/02 10:53 AM Re: Cable Lube  
resqcapt19  Offline
Joined: Nov 2000
Posts: 2,148
The last hospital isolated power system that I worked on required the use of XHHW wires and only talc for lube if needed. This was in the design specs for the job.


#15644 - 10/24/02 02:54 PM Re: Cable Lube  
Pearlfish  Offline
Joined: Sep 2002
Posts: 83
Chicago Ridge, Il, USA
Is talc allowed everywhere? I've never heard of using it as a pulling lube before. But I do remember being the young aprentice standing under the conduit and getting a shower of yellow goo.

A few more years of therapy and I should be ofer it. [Linked Image]~

#15645 - 10/24/02 03:54 PM Re: Cable Lube  
Joe Tedesco  Offline
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA

Wire-pulling compounds are for use as lubricants in installing electrical
conductors in raceways. Listed compounds have been investigated to determine their compatibility with conductor insulation and coverings.

The Listing Mark of Underwriters Laboratories Inc. on the product is the
only method provided by UL to identify products manufactured under its
Listing and Follow-Up Service. The Listing Mark for these products
includes the UL symbol (as illustrated in the Introduction of this Direc-tory)
together with the word ²LISTED,² a control number, and the product
name ‘‘Wire Pulling Compound’’ .

Joe Tedesco, NEC Consultant

#15646 - 10/24/02 04:06 PM Re: Cable Lube  
resqcapt19  Offline
Joined: Nov 2000
Posts: 2,148
Here is part of the installation instructions from the PostGlover website. They are a manufacturer of hospital isolated power systems.
All Branch Circuit Conductors of the isolated power system shall be stranded copper having a cross-linked polyethylene insulation, or equivalent with a dielectric constant of 3.5 or less. Type XHHW is suitable for this purpose. Each branch circuit conductor shall be color-coded in accordance with National Electrical Code. Wire pulling compound produces an adverse effect upon the dielectric constant of conductor insulation and shall not be used when pulling the wire of the isolated power system. Use of dry talcum powder is permitted.

PostGlover Isolated Power Panel

[This message has been edited by resqcapt19 (edited 10-24-2002).]


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