mike holt drill mounting holes in a steel electrical box The metal backplane was thick, and it took hours to drill and tap 12 holes. I know this isn't how the professionals do it. So, what do you do when you have to mount things on a . Vertical metal siding can give a building a modern, sleek appearance. While installing vertical metal siding is similar to installing horizontal siding, there are a few differences you'll want to keep in mind. Start by .
0 · question about mounting things in metal box with backplane
1 · electrical
2 · WeatherProof boxes (Bell box) and installing drain holes
3 · Steel elecrical box/cover holes
4 · Exploring The Possibility: Drilling Holes In A Steel Electric Box
5 · Drilling on Metal Stud and Electrical Box
6 · Drill holes in Class 1 Div 2 enclosure
7 · Code question regarding drilling a small hole in an electric
8 · Can Hole Be Drilled In Weatherproof Box
9 · All Weather Box Installation
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1) Do you caulk the box? 2) Do you drill out drain holes in bottom of the box? 3) Do you mount the box with the included brackets that come with the box or do you just drill out the . The metal backplane was thick, and it took hours to drill and tap 12 holes. I know this isn't how the professionals do it. So, what do you do when you have to mount things on a . That tapping tool that Klein makes. you run the 8-24 tap (IIRC) through those holes, and you can screw the ears from a wallcase to the side of a 1900 (4" sq.) or the side of . You would have to pull a light and look for screws inside the box. (Or tug lightly on the box in post 2 and see if it moves.) I would expect that box to be drooping if it was not .
By using a power drill with appropriate drill bits, marking the hole accurately with a center punch, and following the drilling techniques discussed in this article, you can . I know this seems like a dumb question, but what is the right way to surface mount a weatherproof outlet box? I wanted to screw it onto the wall but there are no holes for this. It . The customer would like to mount a stainless steel nameplate on this enclosure by drilling holes and mount it to the enclosure with stainless steel screws. I looked though Articles . [Check Our Products Here]HF Hole Cutter: https://3keego.com/products/hole-cutter-hf[Save Time, Money and Effort]This video is going to show you how to drill .
The only mounting holes currently in the junction box are in the bottom of the box- there are none on its sides. It would be easy enough to simply drill a side hole(s) through the . I have noticed that many installers of all weather metal boxes (commonly called "bell boxes") like to drill out their own internal holes instead of using the external mountable . NEMA 1 box, hole sawed into the side or cover. . Feb 24, 2019 #7 LarryFine said: I recently made my own interior inlet by hole-sawing a 2-gang stainless steel blank plate, pop-riveting a standard 4-prong 30a flanged inlet to it, and mounting it into a deep 2-gang old-work box. . seems I used a 30-50 amp stainless receptacle plate and only . We are a company that installs about 6000 single gang NEMA 3R boxes a year in an outdoor location on roofs. We work in over 70 cities and one city's AHJ inspector is stating that we cannot mount our metal j-boxes by using .
question about mounting things in metal box with backplane
Typically if the enclosure is rated as type 3R, that is part of the listing, so the mfr would have accounted for providing a "weep hole" or a gap of some sort on the bottom of the box. But sometimes when installing conduit, I have seen guys use the weep hole as a pilot hole for their hole saw! In that case, you must then drill another one.
I "drill" holes and use screws. I also place fender washers behind to support the box, and one in front. I keep silicon around for waterproofing. Especially outside & inside the box where the holes are. I have repaired bell boxes and wall-pack lights where the source of corrosion was from water and debri entering in through the mounting holes. That is except for 314.27(B) and (C) which does require floor boxes and fan boxes to be listed. You could 3D print all the plastic boxes or stamp and weld all the metal boxes you want according to the construction specifications outlined in 314 part III, as long as they are approved (as defined in 100).
We have an Electrical Inspector on one of our sites requiring us to relist a "modified" junction box since we supported this box on the side walls instead of using factory mounting holes located on back of 8x8" J/box. I don't understand this as they are made to knock out holes for conduits. I need to extend a circuit by splicing into a 1-gang box containing a duplex outlet. I need to go to a bigger 1-gang box for box-fill, but there's no old-work box that's big enough. So I can pull some drywall so I can nail in a large enough . 314.23 (B)(1) Nails and Screws. Nails and screws, where used as a fasten‐ ing means, shall secure boxes by using brackets on the outside of the enclosure, or by using mounting holes in the back or in a single side of the enclosure, or they shall pass through the interior within 6 mm (1∕4 in.) of the back or ends of the enclo‐ 1) QO says in the instructions If no mounting holes are provided, use a #26 bit to drill (2) .147 diam. holes in the back of enclosure using the grounding bar as a template. 2) The second one is a GE and it does not offer an alternative method, it says Use the enclosed 10/32 screw to mount into the factory predrilled holes in the enclosure
electrical
I have noticed that many installers of all weather metal boxes (commonly called "bell boxes") like to drill out their own internal holes instead of using the external mountable brackets that come with the box. Does this violate the listing of the box and/or sacrifice the integrity of the.
What if the manufacture of a cast device box only has one knock out in the back of box & non threaded. This box has cast attachment holes. Now more interesting is where a exterior cast box is used for a GFCI they don't use the tab's supplied (one has to assemble the tabs), but someone drills holes for set pins instead. I have a steel support pole in my basement that I need to mount a outlet to. I do not want to drill any holes does anyone make a bracket to secure a 4" square to a 4" round pole, a hose clamp would work just need to secure to box.
stainless steel medical storage cabinet with wheels
You cannot drill a hole in the back of the box and use screws to mount it. 314.43 Nonmetallic Boxes. Provisions for supports or other mounting means for nonmetallic boxes shall be outside of the I would like to add a ground bar to a 12“ x 12“x 4” Nema 1 indoor metal junction box for a bunch of 14-2 and 12-2 cables I need to extend. . I know that sometimes paint might be in pre-drilled holes, but if you drill and tap, there is a conductive path. . A painted Square D panel only requires that you use the mounting screws that .
The deck uses the concept of this hole that could be placed anywhere. The spectator chooses a card and the magician draws a hole with a marker on the back of the deck. The magician then peels off the hole, shuffles the cards and throws the hole into the deck. The hole then appears on the card that was chosen. It was created by John Talbot. Our facility has columns & you cannot wield or drill them. Only clamps are allowed. Wielding will make them brittle & drilling holes weakens them, or so say the wise. We also have four 15 ton crains rolling across the top of ours. In the past I have seen everything including EMT wielded to them. Not any more. Just use metal boxes. You can get them with built-on brackets. If you get them plain, you can mount them using the two convenient little holes near the front edge of the box on the sides. It is even better to drill and additional hole .
so a hole was there for mounting, perhaps a std zinc pan-head is better than a rock screw, and as such perhaps a cover on screw head? the countersink (taper) screw head puts a lot of stress on the plastic, etc. The rule of 2014 NEC 314.43 doesn't make an . Most boxes have mounting feet (some do not) but they may be not be in the. Menu. Home. . Retired Electrical Contractor Jan 12, 2005 #5 Re: Mounting outlet boxes . let's take a typical 4/s box. Drill out the 1/4 inch holes to 3/8 - no problem. Pop out the back KO and use a fender washer to mount it - no problem. As long as the box . General Electrical Forum . Steel elecrical box/cover holes. Thread starter . . Steel elecrical box/cover holes. Thread starter mnmaint; Start date May 30, 2014; Status Not open for further replies. Prev. 1; 2; First Prev 2 of 2 Go to page. Go. M. Michael15956 Senior Member. Location NE Ohio. May 31, 2014 #21 iwire said: I pull the longer 6 .
WeatherProof boxes (Bell box) and installing drain holes
Works just fine - but I often like bigger boxes with less fill - I do the same with 4sq's (as described in the OP) - there are two holes at the front on all 4 sides - then I drill a hole at a back corner. I do this when in a pinch or if a bracket just wont work due to having knotched a stud for precise placement. Each i3 Series detector is supplied with a mounting base that can be mounted: 1. To a single gang box, or 2. To a 31⁄2-inch or 4-inch octagonal box, or 3. To a 4-inch square box with a plaster ring, or 4. Direct mount or to ceiling using drywall fasteners (Figure 2). Draw your own conclusion, but it doesn't seem to specifically exclude a .
I prefer the PVC bell-boxes. They come with four mounting tabs molded as part of the box, the KO's are closed off until you open the ones you need, and no bonding. I do drill two 1/8" drain holes in the bottom side of just about every "water-proof" box I mount outdoors, as well as the bottom side of LB's and other such fittings. Many with 1/4" hole in them don't have enough meat around the hole to enlarge it to 3/8. Enlarging them to 5/16 is possible but there is little left around the hole. I can't recall seeing any (general use lugs, some OEM's for a specific use may be an exception) that accept a 250 conductor that only have a 1/4 mounting hole in them either. I have a true cobalt set of drills not cheap ones that claim they are cobalt as many you find in the big box stores are, yes they are very pricey but worth the price if you drill hardened steel or SS often, just watch out for sales gimmicks as there are many who use the word cobalt as a trade name or other method of deception such as having a . Every 4" square box has a hole that is tapped. GE panels have hole that the ground bar screws into with self tapping machine screws. I know that these holes are punched but they are not pierced. Some panels or boxes have the ground hole pierced so there is more surface area for the threads of the screw.
Steel elecrical box/cover holes
Exploring The Possibility: Drilling Holes In A Steel Electric Box
There have been instances of water getting into the condulets and/or j-boxes causing grounded circuits. We are planning replacement of the conduit, boxes, etc. Our plant engineer (EE I might add) said "drill holes in the low points of the condulets or boxes to allow water to drain. That is OK by NEC standards." I disagree, but I am in a bad .
Drilling on Metal Stud and Electrical Box
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mike holt drill mounting holes in a steel electrical box|WeatherProof boxes (Bell box) and installing drain holes