We have now used Charles for both our home and business inspections, and would definitely use him again in the future! 4.5 out of 5 stars 12. Double-lug means there are two wires under a single screw in your sub panel. << Back to: Electrical Wiring FAQ (Part 1 of 2). In that case, the best course of action -- although an expensive one -- is to upgrade your panel. 1/0 AWG Double Wire Double Barrel Mechanical Lug 1/0-14 AWG: Purchase: 2S1/0. If a house is wired with armored cable or conduit, there often is no ground wire… An offset tongue gives you extra space to insert wire. bolt mounting hole, UL Listed at 600v - acceptable for use through 2000v, Canada Certified. Wire Range: Screw Type: Bolt Size: Mounting Hole: Rating: 1 to 169pcs $1.61/ea (or) 170pcs … Favorite Answer Provided the the amperage of the circuit without the ground is not larger than the rated ground size of wire it should be allowed in the code. Get it as soon as Fri, Feb 26. Aluminum Compression lugs and splice are dual rated for copper or aluminum wire and cable up to 1000 MCM. Strength of a lug should be checked before using it in the heavy-duty applications. Thank you so much Charlie--- I am so glad I had you to do this inspection-- you did an excellent job and discovered things I would never have thought of and I so appreciate your expertise. Double-lugging is perfectly safe and legal if the connection is mechanically sound and both the local code and the panel manufacturer allowed it at the time of installation. After finding a house that we loved, we had to finalize the details for the sale. https://www.buellinspections.com/testimonials/mary-lee/, https://www.buellinspections.com/testimonials/bui/. $5.13 $ 5. Charlie is a phenomenal inspector. I think the latest NEC has it under 408.21 according to code check. Your willingness to share your impressions and knowledge via phone was greatly appreciated. In a double-pole breaker with a circuit of 240 volts, you’ll have a two-wire cable plus a ground wire. These posts are not intended to substitute for medical, tax, legal, investment, accounting, or other All the wires are white. The home inspector is correct. #2 copper for 100 amps is good? You aren't permitted to just "add up the KCMIL" or "add up the metal diameters", to fit two wires in to a lug that is only rated for one large wire. as far as mixing in the main panel to me it it looks neater to mix them, not running a ground to the other side of the panel for breakers on the neutral side, also not running a neutral to the other side with breakers on the ground side. Cool I'm on the right path then, I will not double lug as I previously was thinking, but I'll just make a bigger hole in the panel and do it the right way. Connect that single grounding wire to the lug. In the wiring and electrical sector, lugs have indispensable usage. Aluminum with tin plating. Circuit breakers rated not more than 30 amperes are often identified for the termination of two conductors. 69. Two and sometimes three equipment grounds are allowed per screw but only one neutral. 1 Ground wires are limited to 1 under the screw, unless the lug is rated for 2 it will say if it can be. Solder and Crimp-On Welding Lugs Solder these lugs in place, or use a crimping block and punch for the most secure connection of any of the welding lugs we offer. Bonding and Grounding. When installers use an oxide-inhibiting compound while inserting an aluminum wire (not needed for copper wires) into the lug, and at the lug area where it's connected to the bus bar, the survey shows galvanic action and oxide formation almost ceases to be a problem. For the inspection process we chose Charles Buell Inspections since our friends spoke highly of him. We were impressed! I could have shipped the … Overheating of the wires is possible. Charlie reviewed five sample reports from Pennsylvania that were provided by the buyer. Each lug’s barrel is pre-filled with an oxide inhibitor for increase longevity of your connections. We felt confident that all of the negative and positive aspects of the home were brought to our attention on sight. In all the years before, the wire went from the tremolo claw to the ground lug of the output jack! Siemens ECCS1 Ground Bar Lug Kit #14-2/0. When you're installing welding leads, a copper lug is very important for attaching the leads to the welder and the ground clamp. There is a CEC rule for the neutral conductor in the panel, but not the bond/ground. "2S2" 2 AWG double wire lug, 2-14 AWG wire range, Multiple (dual) wire class B/C and FLEX, 4-12 AWG, 25mm2-4mm2, wire class G-K including mm2 class 5, double barrel, aluminum or copper wire, CU9AL, 90C temperature rating, single 5/16" (8mm) dia. I did the complete teardown and vacuuming of the dryer when it first started … They had one-tenth of the information that your report supplied me for the home I was thinking about purchasing. Check out the "Vallery Home Inspections" Facebook page. An offset tongue gives you extra space to insert wire. I see it frequently in older panels, Square D QO is the biggest offender followed by GE where those panels had limited neutral terminals to start with so doubling up was very common. As you observe, the lugs are double-tapped. Buy 250 kcmil (4/0 AWG) double wire double barrel terminal lug with hex sockets screws. Our Insulated Multiple Tap Power Connectors … Please feel free to use my name and have any potential customers contact me for a reference. https://www.buellinspections.com/testimonials/eric/. 125A, 120/240V AC. I got a professional the first time around with your inspection! Part No. No mixing of gnds and neutrals either under one screw. Some circuit … This can be verified by reviewing the circuit breaker manufacture's catalog. 39 Secrets Home Inspectors Won’t Tell You (but what good home inspectors want you to know), Ionization vs Photoelectric Smoke Alarm Detectors. FAQS.ORG reserves the right to edit your answer as to improve its clarity. By submitting your answer you authorize FAQS.ORG to publish your answer on the WWW without any restrictions. On the second picture you see 2 lugs being double tapped. The other home inspection reports that I've seen are no comparison to your work. https://www.buellinspections.com/testimonials/glenn-soja-leah-mitchell/. Screw-Down Split-Bolt Splices. The detail and quality of your report will be used by us as a goal for other inspectors we have the chance to do business with in the future. If you build your own Dream Machine and want to do it the vintage-correct style, you can unsolder the ground wire on the replica pickguard (or simply cut it close to the solder point) and run a wire from the tremolo claw to the output jack. In the event that the live wire comes loose and touches the light fixture, the ground wire diverts the power and blows the breaker, instead of you feeling an electrical shock when you touch the fixture. It's a bargain for what you charge. The grounding wire nut shown has a hole in its top that makes installing a pigtail easier. That’s the only purpose the ground wire serves. In many applications the strength and the shape of lugs matters. Thank you for your outstanding work! You can't do that. Other methods also work well if installed correctly; one such method is a grounding clip that clamps the ground wire to the box. Proper attachement of lugs is a must, as they must take a lot of power, and be well connected to the wire to conduct it well, and because they at the ends of the leads, they also take strain from all the movement they will see during their life time. I can not imagine that there was a single thing you didn't cover! Charlie’s reports are amazing. KINPAR Solar Panel Photovoltaic Bolt-On Coupling Earthing Ground Lug Cable Clamp Ground Clamp with Lay in Lug for Bare Wire and Pipe. First in a Vallery Home Inspections video series. Satellite Dish Network Installations Ground Dry locations, not for direct burial. I'll be using your services again when I find a house that will work for me. https://www.buellinspections.com/testimonials/7241/. Connect the red wire to one of the breakers in the set and the black wire to the other, and then snap the breaker into place. Get it as soon as Fri, Feb 26. IHI Connectors brand. There are double lugs made for that purpose which provide 2 voids and 2 setscrews. Which means, it is 3 wire panel, there is no ground bar from the factory. Stacker type, three tier lug, and multiple (dual) wires and FLEX wire, 8-14 AWG, G-K including mm2 class 5 (flex wire is only allowed with the use of UL Listed ferrules), 3 barrel, aluminum or copper wire, UL Listed at 600v - acceptable for use through 2000v,UL486 ZMVV Listed, UL508A SA1.1 Listed category, and CSA Certified. 13. It’s a safety feature. 1/0 AWG Lug. You probably don't want to go to that expense just to ground a single outlet, though, and if not, you have a workable option. $16.69 $ 16. Your discovery of the issues on this place has shined a new light to this property:) Thanks again for your help. The ground wire is designed to protect you. Your added background information and photos not only illustrated the issue but educated us as to the correction. Thanks so much. Splice large size wires without special tools— insert your wires and tighten the hex nut to make a connection. Material of the lug should be chosen based on the usage. FREE Shipping on orders over $25 shipped by Amazon. A second exception to the “one wire per terminal” rule is that two—or sometimes three—ground wires can be secured at one terminal, but it is dependent on the manufacturer’s installation instructions and the wire size. The other reports pointed out problems, but said little more than "you should have a professional evaluate this." By default, lugs are only rated for one wire, unless listed and marked otherwise. Isn't that why you hire an inspector? I am more than happy to tell them what a professional, knowledgeable, thorough inspector your are! RoHS 10/10 : Return to Top. I looked up your panel, and it states this: Single phase, 3 wire. Made in the USA from domestic and imported parts. Dealing with the stress of making the biggest purchase of our lives, Charles' calm demeanor and thorough examination of the house and lot put our minds at ease. Grounding … anotherbrian-ga: In the junction box that connects the double 12ga to the 10ga, the wire nuts are plenty big enough to make a secure connection between the wires. https://www.buellinspections.com/testimonials/12807/, https://www.buellinspections.com/testimonials/mary-rob-anderson/. Selecting a home inspector in Seattle is a no brainer. The reason is that there is more surface area on two wires so they can shed the heat better. Neutral and equipment grounding lugs for panelboards are … I know ground can be smaller but I suppose it does not hurt to oversize. The straight tongue improves conductivity by increasing the surface contact between the lug and your equipment. Does Repitition on the Internet Make it True? Your answer will be published for anyone to see and rate. You can't do that with wire 6 AWG or smaller. You may also hear this condition referred to as a “double lug.” Regardless of what you call this condition, two wires are connected via the same circuit breaker screw (also known as a lug), or both wires are attached under the same screw via the neutral bar. So you want to keep the resistance down to the equivalent of AWG 6 for 7', which is 2*7/1000 * 395m\$\Omega\$ = … FREE … On the third picture the lug is double tapped, where the upper wire is aluminum (does not show to good on the picture) and the lower wire is copper. Splicing is allowed in the panel per NEC. Charlie provided his thoughts on the reports and suggested which report was the best. We will use your report as guidelines on what we need to do immediately to the house, over the course of the next 6 months as well as ongoing maintenance. When an aluminum lug surrounds the wire (instead of a copper lug surrounding an aluminum wire), it can expand … Our expectations of the inspection you performed were exceeded. In fact this inspection report has been almost like a homeowner's manual, which we've used while updating our home. The only time two wires can be installed under a single screw or lug is when the terminal is identified for this purpose. professional advice. Anyone know this code? https://www.buellinspections.com/double-lugging-of-wires-on-circuit-breakers Double tapping and aluminum on same lug as copper In this panel all the neutrals are double tapped, as you can see on the first picture. Allows 250 kcmil to 6 AWG copper or aluminum wire, and is CSA certified and UL listed. Connecting more than one wire on or under a single lug or connection point is called “double lugging” and it is ONLY allowed in line voltage wiring under one condition according to NEC 110.14 If the terminal, lug or connector is specifically rated for more than one wire Is this panel GE? Some use copper tubular lugs. First, it's important to consider what you … FAQS.ORG makes no guarantees as to the accuracy of the posts. In essence, the grounding system is a \"backup\" pathway that provides an alternate route for electrical current to follow back to \"ground\" in the case of a problem in the wiring system. How does Charlie, a Seattle inspector, support a home buyer all the way in Pennsylvania? That does not help your car to start because it means that the power that should be cranking your engine smartly is going into the wires and not the starter motor. Connect the white wire to the neutral bus and the ground wire to the ground … It is against the National Electric Code to double lug the neutrals. Connect all but two double-lugged wires to individual lugs. If you live in an older home, and your outlets have no ground wire, your panel may not be grounded. Twenty-four hours later we received a detailed 84 page summary of his findings which included pictures to clarify the issues being discussed. Your email address will not be published. The light works just fine without it, just like in the case … Has one 3/8” mounting hole and is 1.63” wide. However, the existence of this condition does not always mean that you have a problem. The black and white wires both go to the breaker and each will have its own screw. poster. Thank you Charlie! Correct terminolgy is double tap, use “double lug” for service and feeder doubles. The main concern is that one of the wires are loose in the terminal. Set Screw Lugs with Offset. We both feel this was the best money we could have spent! It has been that way for many,many years. I'm looking for the code that states that you cannot put more than one bond/ground wire under one screw on a ground bar Or lug. Panel makers generally do not allow double-lugged neutrals (white wires) any more but sometimes allow double … For More Information Click the Icons Below: Rated Torque Label. Log in, Real Estate Inspection services for the Buyer. Unless the terminal or circuit breaker is designed for more than one conductor, it’s not a good idea. You agree to hold harmless and indemnify FAQS.ORG against any claims, costs, or damages resulting from publishing your answer. https://www.buellinspections.com/testimonials/andres/. Does your candidate home inspector use a thermal camera? It makes no difference which screw you use, although you should tape the white screw with black tape to show it’s hot. below. Make sure the new piece is bare or green insulated and the same wire gauge! Because of Charlie’s blog, a Pennsylvania home buyer located Charlie online. If you'd like to get expert points and benefit from positive ratings, please create a new account or login into an existing account From there, it's 10ga all the way to the dryer, so in the dryer outlet box, there's only the three wires + ground from the 10ga bundle. Your answer will not be displayed immediately. Might be a good idea to run this solution by the inspector before you … Step 3 - Ground Wire. If the wire is larger than 6 AWG (doesn't look that way), you still have to mark the hots with black brown red orange yellow pink blue or violet tape or shrinkwrap. Both the neutral and the ground wires are at the same potential, there should be no problem. A double tap is a term used to describe when two wires are attached to the same breaker or terminal (also called a lug). I feel so much more confident going into this purchase knowing exactly what's going on. 4.7 out of 5 stars 117. FAQS.ORG does not endorse any opinion or any product or service mentioned mentioned in these posts. It doesn't matter to which breaker you install either of the wires. Charlie, I would like to once again thank you very much for your outstanding work on the inspection of the xxxxx Street house on our behalf. Ground wires are spliced together and attached with a pigtail to the box and receptacle. Mechanical lugs and splices are a great way to make a strong and reliable connection that is re-usable and quick to install. To understand its importance to a home wiring system, it is important to know something about the nature of electrical energy flow. I have reviewed the information and will be using this to negotiate our terms with the seller. Select lugs based on the usage. If the circuit without the ground … That lets you set torque correctly for each wire type independently. Hi Charles, Thank you so much for this great and very professional inspection. I'll go to a local distributor for the wiring, probably cheaper then HD. Splice the two remaining grounding wires to a length of wire the same gauge. That won't matter because you have to … Each post is the personal opinion of the Not allowed, one neutral per hole, you may double up on grounds provided instructions (panel labels) say so. I am amazed at the thorough and high quality work that you do. Inside the main panel, you'll need two adjacent slots in which you can install a 30-amp, double-pole breaker. Grounding is a principle of electricity that sometimes puzzles homeowners.
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