Required Use of Myer's Type Hubs? | Information by Electrical ...
Jun 13, 2006 · Basically it's a 200A 480v 3ph panel in a 3R enclosure attaced to a 3R tap box (for the contactors and time clock) and to the meter base. I was under the impression that if you made entry into a 3R enclosure below the level of termination blocks, …
Listed Conduit Hubs VS “Myers” Hubs | Information by Electrical ...
Jul 2, 2021 · I don't see how the listed hub (commonly called Myers hub) doesn't meet the rule of 250.92 B 2. In one of Mike's code update videos, an inspector from Massachusetts elluded to a thnking that a Myers hub doesn't constitute a hub for the purpose of 250.92, but I don't see anythign that substantiates that.
Meyers Hubs and Grounding | Information by Electrical …
Oct 15, 2008. #1. We are currently working on a project wiring the Heat and Ventilation system for a new scrubber system at a local coal-fired power plant. We are having an argument with the QC inspector regarding grounding of the conduit system with meyers hubs. According to the UL White Book the meyers hubs we are using are listed for grounding.
Bonding a myers hub | Information by Electrical Professionals for ...
Alaska. Mar 2, 2015. #3. The raceway is the MC-HL cable that is connected to the Myers hub with a TMCX2 connector and then the cable runs into the bottom of the cabinet that has the bottom of it cut out and mounted over the hole in the floor. In a sense the area from the plate where the Myers hub is connected becomes part of the cabinet.
Meyers Hub vs Sealing Locknut - Mike Holt's Forum
Oct 29, 2010 · engineer. Oct 30, 2010. #17. I generally try to avoid coming in the top of any outdoor enclosure. A Meyers type hub works a bunch better then a locknut and sealing washer (s), but putting the conduit entry on the side or bottom works even better.
Myers Hub | Information by Electrical Professionals for Electrical ...
Aug 15, 2012 · Retired Electrical Contractor. Aug 15, 2012. #3. Myers hubs are just one means of attaining a weather tight connection. Sealing locknuts are also listed for the purpose with RMC. From the UL book. Sealing (Liquid-tight) Locknuts — Sealing locknuts are intended for use with threaded rigid metal conduit and intermediate metal conduit with one ...
Meyers hubs? | Information by Electrical Professionals for Electrical ...
Location. brick nj. Apr 9, 2011. #4. Meyer Meyer. infinity said: I would enter the trough with a listed for wet location EMT connector and forget the hub. Mark Ode of UL says that the EMT connector in the Myer's hub is not code complaint since the hub is designed for threaded raceways only.
Myers Hub for Outdoor Panel | Information by Electrical …
Sep 11, 2009 · Myers hubs are cheap and work just fine. If you are entering below the panel guts, just a regular compression connector rated for outdoor use will work. At the UL website there is a question and answer section that covers different listing issues. One article was about the use of Myers hubs and emt.
Meyers Hubs with PVC | Information by Electrical Professionals for ...
Oct 27, 2015 · The route to go (and 100% compliant) is screw a close nipple into the myers hub then screw on a PVC female adapter to convert over. 2015-16 GUIDE INFORMATION FOR ELECTRICAL EQUIPMENT — THE WHITE BOOK said: Fittings with internal female threads (e.g., hubs, conduit bodies, couplings) have only been investigated for use with threaded rigid …
Myers hub / grounding | Information by Electrical Professionals for ...
Mar 28, 2004. #5. Re: Myers hub / grounding. Originally posted by rhombus65: What is the purpose of a myers hub? Most times the purpose is to provide a water tight seal of rigid conduit into a water tight enclosure, it also provides a stronger mechanical connection than lock nuts. More threads are engaged on the conduit and the hub is a much ...