Two Thirds of the Arlington Catalog Ships as a Pack, Not a Single Piece
This is the first thing to know about ordering Arlington and the thing most buyers discover too late. Of the 1,839 listings here, 1,183 are contractor packs, meaning the listing is a sealed carton of identical parts rather than one piece. Only 656 are single items. A price that looks high next to a competitor is usually a carton of 25 or 50 sitting beside somebody else's single connector, and a quantity of 4 entered against a 100-pack is 400 fittings on a truck.
Read the pack quantity before you read anything else
The pack size is stated in the product title in parentheses, so it is visible on the grid without opening the listing. Nineteen different pack quantities appear across the range, and the same fitting is sometimes stocked in more than one of them. Most of these products sit in conduit fittings, where the pack size shows in the title on every tile.
Single pieces account for 656 listings, mostly boxes, floor boxes and larger assemblies. Above that, 25-packs are the most common format at 347 listings and cover connectors and small fittings, while 10-packs at 298 hold mid-size fittings and covers.
Fifty-packs at 162 listings carry couplings, locknuts and bushings, 5-packs at 130 serve the larger trade sizes, and 100-packs at 127 cover hangers, straps and small connectors. A further 75 listings are 2-packs and 20-packs scattered across families, and 44 more use eleven other quantities running from 3 up to 1,000.
On a bid this matters twice. It changes the unit cost you are comparing, and it changes what lands on site. If you need 12 half inch connectors, a 25-pack is the honest answer and a 100-pack is 88 spare parts you paid for.
What Arlington actually makes
Arlington is a fittings and supports manufacturer rather than a fixture manufacturer, so almost nothing here produces light. The exception is 45 products tagged for outdoor lighting, which are post supports and mounting hardware rather than luminaires, and those sit in outdoor lighting. The nine families below cover 1,321 of the 1,839 listings, with locknuts, couplings, service entrance caps, nipples and siding kits making up the remainder.
Electrical boxes lead at 246 products, covering device, fan and fixture, and recessed types. Cable connectors follow at 241 for non-metallic, armored and cord terminations, then 230 general conduit and raceway fittings.
Floor boxes for concrete and wood floors account for 134 products, bushings in standard, reducing and insulating forms for 119, and liquid-tight connectors for flexible conduit for 112. Covers for boxes, floor boxes and conduit bodies add 109 more.
Two smaller groups close it out. Straps and hangers cover 94 conduit support parts, and cord grip connectors account for 36 strain relief fittings for where a cord enters an enclosure.
The part numbers are not a decode system
This is worth saying plainly, because on several brands in this catalog the number tells you the product. Arlington's does not. There are 306 parts numbered with bare digits and no usable pattern, and among the letter-led prefixes only a handful map cleanly to one product type. Use the trade size and material filters instead of trying to read the number.
The prefixes below do hold, and the last column says how far. Anything not listed here should be read from the product title rather than inferred. Bushings specifically, whether standard, reducing or insulating, are collected in conduit and grounding bushings.
Four prefixes are completely dependable. RW covers 45 electrical fittings, FN covers 14 electrical boxes, EB covers 13 more electrical boxes and CS covers 12 electrical fittings, with no exception in any of the four.
Three others hold most of the time and it is worth knowing how far. LPCG points at a cord grip connector on 30 of its 36 parts. NMLT, LT and NMSC point at a liquid-tight connector on 112 of 146. FLB, FLBC, FLBT and FLBR point at a floor box or its cover on 211 of 253. Anything outside those seven should be read from the product title.
Trade size and material are the filters that work
Trade size is the fastest way to cut 1,839 listings down to a shortlist. Half inch covers 164 products and three quarter inch covers 132, which together account for most residential and light commercial work. Above that the counts thin out steadily in half inch and quarter inch steps up to 4 inch, with a handful of parts at 5, 6 and 9 inch. Three eighths of an inch appears on 77 parts, mostly cord grips and small cable connectors.
Material is the second filter and it is the one that decides whether the part survives where you are putting it. Die-cast zinc and steel are the metallic options, non-metallic and UV-rated plastic are the corrosion-resistant and exterior options, and brass shows up in grounding and specialty parts. UV rating matters specifically on anything mounted outdoors, because ordinary plastic goes brittle in sunlight while UV-rated plastic is formulated not to. Support and mounting hardware across the range is collected in straps and supports. The counts below overlap, because a listing can be tagged with more than one material.
Die-cast zinc leads at 412 products, then non-metallic at 315 and UV-rated plastic at 268. Steel accounts for 239 and general plastic for 209. Below those come brass at 79, zinc at 69, aluminum at 61, PVC at 36 and malleable iron at 30.
Where Arlington sits in Lumera's catalog
Arlington is the dominant brand in several collections rather than one option among many. All 231 of its electrical fittings sit in electrical fittings, which holds 235 products in total, so that collection is effectively an Arlington page with a different name on it.
Beyond that, 498 parts appear in boxes and enclosures, 442 in conduit fittings, 191 in straps and supports and 119 in bushings. Smaller groups reach EMT fittings, wall plates, conduit bodies and weatherproof boxes.
The 134 floor boxes are filed under floor boxes, where they sit against the other floor box manufacturers in the catalog.
A further 35 grounding parts, mostly clamps and grounding connectors, reach grounding.
One gap is worth knowing when you are navigating. Despite 246 products typed as electrical boxes, none are currently filed into the device and outlet box, junction box or box cover collections, so you have to reach those from this page or through site search. Background reading on raceway and box selection sits in the electrical guides.
What to confirm before the order goes in
On a range this size the specification lives in the individual listing, not in anything true of the brand. The items below are the ones that change most often and cost the most when they are wrong. Installation methods and box fill are judged by the inspector on the job. Lumera sets out where that responsibility sits in its installation and code disclaimer.
- Pack quantity. Single or a carton of 2 through 1,000. This is the most common ordering error on this brand.
- Trade size. From 3 eighths of an inch through 9 inches. Confirm against the raceway rather than the box knockout.
- Raceway type. A fitting built for EMT is not a fitting for rigid, IMC, liquid-tight or armored cable. The title states which.
- Material. Metallic or non-metallic, and UV rated or not, which decides whether it belongs outdoors.
- Safety listing. UL is tagged on 231 parts and CSA on 174, out of 1,839. Most listings carry neither tag, so confirm on the specific part if the job requires one.
- Connector style. Set screw, compression, snap-in or push-in changes both the labor and whether the connection is rated for wet locations.
- Floor box construction. Concrete pour, wood floor and retrofit boxes are not interchangeable, and the cover is often a separate part number.
- Cover sold separately. With 109 covers listed independently, check whether the box you picked includes one.
Pack quantity, sizing and fitting questions on Arlington
Is the price on the listing for one piece or the whole pack?
It is the price for whatever the title says the listing is. Where the title ends in a pack quantity in parentheses, you are buying that carton and the price covers all of it. Where there is no pack quantity, it is a single item. Since 1,183 of the 1,839 listings here are packs, assume a pack until the title tells you otherwise, especially when a price looks unusually high against another supplier.
Can I buy a single connector instead of a 25-pack?
Only where a single-piece listing exists for that exact part, and for the small commodity fittings it often does not. The same fitting is sometimes stocked in two pack sizes, so search the base part number and compare the listings before assuming. If the job needs an odd quantity of a pack-only item, a quote is the practical route.
How do I know which fitting matches my conduit?
Two things have to agree: the trade size and the raceway type. Trade size is the nominal conduit size, not the measured outside diameter, so half inch EMT takes a half inch fitting. Raceway type is the harder one, because a fitting for EMT, one for rigid or IMC, one for flexible liquid-tight and one for armored cable all look broadly similar and none of them substitute for another. The product title names both.
What does UV-rated plastic actually change?
It changes how the part behaves in sunlight. Ordinary plastic exposed outdoors becomes brittle and cracks over a few seasons, while UV-rated plastic is formulated to resist that breakdown. The UV rating is carried by 268 products here. If the part is going on an exterior wall, a roof or anywhere with direct sun, that tag is the one to filter on rather than assuming any plastic fitting will do.
Do Arlington floor boxes include the cover?
Not always, and this catches people out. There are 109 covers listed as separate products alongside 134 floor boxes, which tells you the two are frequently ordered as a pair. Read the listing for the box you have chosen and confirm whether a cover is included, and if it is not, match the cover part to that specific box family rather than to the trade size.
Are all Arlington products UL listed?
The listing data here does not support saying so. UL is tagged on 231 products and CSA on 174, out of 1,839 total, which means the majority of listings carry no listing tag at all rather than that they are unlisted. If your specification or your inspector requires a specific listing, verify it on the individual product before you order rather than relying on a brand-level assumption.
