End-tab vs. top-tab — what’s the difference?

End-tab folders show the tab on the long side and are used on open-shelf systems; top-tab folders show the tab along the top edge and are designed for drawer filing.

When should I choose classification folders?

Choose classification folders when you need built-in dividers and 2-prong fasteners to separate sections within one file—ideal for medical charts, legal matters, and case files.

Letter or legal size — how do I pick?

Letter (8.5\" × 11\") fits standard documents; legal (8.5\" × 14\") fits longer forms. Match the folder to both your documents and storage equipment.

What tab and material options are available?

Tabs include full-cut, 1/2-cut, or 1/3-cut (assorted positions). Materials range from 11-pt to 18-pt manila, with optional reinforced (2-ply) tabs for added durability.

Can I add fasteners, pockets, or expansion?

Yes—add 2\" bonded fasteners (various positions), pockets/jackets, and expansion gussets (e.g., 3/4\" to 2\"+). Check each product’s options for capacity and placement.

Do you offer volume pricing or custom printing?

We offer bulk price breaks and custom printing (logos, lines, colors). Call (800) 810-3453 for a quote.

What safety labels should I look for on school and early-childhood items?

For children’s products, look for CPSIA compliance and a Children’s Product Certificate (CPC). Art materials should be labeled to ASTM D-4236; many also carry ACMI’s “AP” (non-toxic) or “CL” seals. These help confirm proper cautionary labeling and third-party testing where required.

How do I pick classroom furniture across grade levels?

Favor adjustable-height desks/tables and seating tested to ANSI/BIFMA X6.1 for educational use. Check manufacturer grade/height charts; adjustable ranges let you cover multiple grades with one model and simplify purchasing and spares.

What’s the best way to organize supplies and centers?

Use latching, stackable bins (clear for quick ID; colors for zones/subjects). Add label holders on bins and shelves, and keep a posted color key so students can reset the room independently.

How do I choose learning games and manipulatives by age?

Match to the stated age/grade band and learning goals (fine motor, numeracy, literacy). For early childhood, prioritize oversized pieces, wipe-clean surfaces, and non-toxic finishes.

What should I consider in a charging/tech cart?

Count devices and case sizes; verify slot width/height, cable management, ventilation, and locking doors. If devices support fast-charge (e.g., USB-C PD), confirm the cart’s power specs and total charging wattage.

Do you support school POs, bulk pricing, or custom printing?

Yes—volume pricing and custom imprinting (school name, mascot, subject headers) are available. Call (800) 810-3453.

Sheet vs. roll labels — what’s the difference?

Sheet labels (letter-size) run through laser/inkjet printers; roll labels feed through thermal or dedicated label printers.

Permanent or removable adhesive?

Permanent adhesives are best for long-term filing; removable adhesives peel away cleanly from most surfaces for temporary notes or re-use.

Will these labels work in my printer?

Check each item’s spec for “laser,” “inkjet,” or “thermal.” Avoid running inkjet-only sheets through a laser printer.

How do I match the label size to folder tabs or binder spines?

Measure the printable area of your tab or spine and match to the label’s width/height. If unsure, choose a slightly smaller label for clean alignment.

Can I get preprinted sequences or color bars?

Yes—choose preprinted sets (A-Z, 0-9, months) or request custom colors/text to match your filing system.

Do you have templates?

We provide size specifications and many customers use common label templates. If you need help aligning, call (800) 810-3453.

What do 5-, 8-, 10-, or 12-tab sets mean?

That’s the number of tabs per set. More tabs provide finer organization; fewer tabs give larger, easier-to-read tabs.

Paper vs. poly — which should I choose?

Paper (often with Mylar-reinforced tabs) is economical and easy to write on; poly resists tears and moisture for heavy use and frequent handling.

Are the tabs printable?

Some tabs are hand-write only; others are laser/inkjet printable. Check each product for “printable” support and printer compatibility.

Will they fit my binder?

Choose letter (8.5\" × 11\") for most 3-ring binders or legal (8.5\" × 14\") for longer documents. Many options are pre-punched for standard rings.

Can I mix preprinted and blank tabs?

Yes—use a preprinted core set and add blank or custom tabs for sections unique to your workflow.

Do you make custom tab sets?

Yes—tab titles, colors, and sheet stock can be customized. Call (800) 810-3453.

Which paper weight and brightness should I choose?

Use 20 lb / 75 gsm, 92-brightness for everyday printing; step up to 24–28 lb and 96+ brightness for presentations and double-sided color. If you print heavy coverage or duplex often, the thicker stock helps reduce show-through. Always confirm your printer’s supported paper weights.

Round-ring vs. D-ring binders — what’s the difference?

D-ring binders hold more paper at the same spine width and keep pages lying flatter, which reduces edge wear. Round-rings are economical for smaller sets. Pick capacity based on sheet count and how often you turn pages.

What does “sheet capacity” mean on staplers and hole punches?

It’s measured using standard 20 lb copy paper. If you use heavier paper, expect a lower effective capacity. For shared spaces, choose high-capacity staplers/punches to avoid jams and downtime.

Will labels, envelopes, and mailers work with my printer?

Check each item’s spec for “laser,” “inkjet,” or “thermal.” Laser-safe adhesives resist heat; some inkjet-only sheets shouldn’t go through laser fusers. Use your printer’s label or heavy-stock setting for best feed and adhesion.

How do I choose mailers and shipping boxes?

Bubble or poly mailers are great for lightweight, non-fragile contents; corrugated boxes protect heavier or delicate items. Match interior dimensions to your contents, add cushioning if needed, and choose stronger board as weight increases.

Do you offer eco-conscious options or bulk pricing?

Many items are available with recycled content or reduced-waste packaging, and we offer volume price breaks. Call (800) 810-3453 for large-order help or product guidance.

What ball sizes should I choose for different ages?

Use age-appropriate sizes for safer, more successful play. Common guidelines include: Basketball—Size 5 (27.5\") youth, Size 6 (28.5\") intermediate, Size 7 (29.5\") official. Soccer—Size 3 up to ~8 years, Size 4 ~8–12, Size 5 ~12+. Volleyball—Regulation balls for teens/adults; lighter training balls for younger players. Always check the product page for the manufacturer’s recommended age range.

Indoor vs. outdoor — which materials hold up best?

Composite or rubber-covered balls and poly cones hold up well outdoors; leather and finer composites are best indoors. For markers, look for UV-stable plastics; for goals, choose powder-coated frames and weather-resistant nets for outdoor use.

How many pinnies, cones, or markers do I need?

For classes and drills, packs of 12 are a good start; 24–36 pieces cover full-class activities and multiple stations. Choose mixed colors for quick team splits and field zones.

Tips for storage and care?

Use ventilated ball bags or carts, wipe down gear after outdoor use, and avoid prolonged heat/sun in storage. Inflate balls to the manufacturer’s recommendations and check pressure periodically to extend lifespan.

Are items latex-free and school-safe?

Many products are offered in latex-free or phthalate-free materials. Look for those callouts on the product page. Children’s items may include compliance statements on labeling; review those details if you’re purchasing for younger ages.

Do you support bulk orders or custom printing (team names)?

Yes—volume pricing and custom imprinting are available on many items. Call (800) 810-3453 for a quote or assistance with large sets.

What is the difference between FireKing vertical and lateral file cabinets?

Vertical file cabinets are deeper and narrower, making them a good fit for offices with limited wall space. Lateral file cabinets are wider and allow side-to-side filing, which can make document access easier and provide more filing width per drawer.

What can I store in a FireKing fireproof file cabinet?

FireKing cabinets are commonly used to store paper files, legal documents, medical records, financial records, contracts, personnel files, and other important business paperwork that needs organized fire-resistant storage.

Are FireKing cabinets only for paper records?

Many FireKing products are primarily designed for paper document protection, but some models may also be used for storing valuables or other office materials. Always review the specific product details and manufacturer recommendations to confirm the intended storage use for each model.

How do I choose between a FireKing safe, file cabinet, or storage cabinet?

Choose a fireproof file cabinet if you need organized drawer-based filing for records. Choose a safe if you need compact secure storage for documents, cash, or valuables. Choose a fireproof storage cabinet if you need shelf storage for binders, boxed records, supplies, or larger office materials.

What sizes are available in FireKing cabinets?

FireKing products are available in several sizes and configurations, including vertical file cabinets, lateral file cabinets, safes, card file cabinets, and storage cabinets. Available sizes, number of drawers, and overall dimensions vary by model.

Are FireKing cabinets used in offices, medical facilities, and government records storage?

Yes. FireKing cabinets are commonly used in offices, healthcare facilities, legal environments, schools, and government agencies where important records need secure, organized, fire-resistant storage.

Can I buy FireKing cabinets in bulk or get help choosing the right model?

Yes. We can help with product selection, bulk orders, and larger project needs. If you need assistance comparing FireKing file cabinets, safes, or storage cabinets, call (800) 810-3453.

Do you offer free shipping?

Yes—free ground shipping on orders of $99+.

What are your shipping rates?

Labels-only orders under $40 ship for $6.95. All other orders ship for a flat $14.95.

Do you offer bulk discounts?

Yes—volume pricing is available on many items. Contact us for a quote or large-order assistance.

Do you accept purchase orders (POs)?

Yes—we accept POs from schools and government agencies. If you need terms or documentation, please reach out.

Where can I read your full Shipping and Return policies?

See our Shipping Policy and Return Policy pages for complete details.

How can I contact you?

Call (800) 810-3453 or use our Contact Us form.

Locking Plugs & Receptacles

Locking plugs and receptacles provide compatible connection points for generator power cords, temporary power cords, electrical installations, and cord repair work. This category includes locking cord ends, flush receptacles, panel-mount inlets, and straight-blade connections for electricians, maintenance teams, and users assembling or repairing compatible power-cord setups.

Locking Plugs & Receptacles

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15 Amp Straight-Blade Flanged Inlet, NEMA 5-15P

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Our Price:
$22.99

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This 15 amp straight-blade flanged inlet is for users creating or repairing generator power cords. It provides a panel-mount connection point with a NEMA 5-15P male plug configuration.The black inlet...

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15/20 Amp Straight-Blade Female Connector, NEMA 5-15/20R, Black

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$9.39

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This straight-blade female connector is for users creating or repairing generator power cords. It provides a NEMA 5-15/20R female connection point for compatible cord assemblies.The black connector...

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15A Straight-Blade Male Plug, NEMA 5-15P

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$7.49

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This 15A straight-blade male plug is for users assembling or repairing temporary power and generator power cords. It provides a NEMA 5-15P male connection for compatible cord applications.The black...

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20A Locking Assembly Plug, NEMA L14-20P

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$22.49

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This 20A locking assembly plug is for electricians and maintenance teams building or repairing generator power cords. Its male NEMA L14-20P end provides a locking connection for compatible power-cord...

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30 Amp Locking Connector with NEMA L14-30R Female End

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$33.94

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This 30 amp locking connector is for users creating or repairing generator power cords. Its NEMA L14-30R female end provides a locking connection point for compatible 3-pole, 4-wire grounding cord...

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30 Amp NEMA L14-30P Locking Assembly Plug

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$21.49

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This 30 amp locking assembly plug is for users assembling or repairing generator power cords. Its locking connection helps create a secure cord-end connection for compatible electrical cable.The...

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30 Amp NEMA L5-30P Locking Assembly Plug, Yellow

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$17.74

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This 30 amp locking assembly plug is for users creating or repairing generator power cords. Its locking male end provides a secure connection point for compatible power-cord applications.The plug is...

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30A NEMA L5-30R Locking Flush Receptacle

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$16.49

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This 30A locking flush receptacle is for electricians and maintenance professionals installing or repairing compatible power connections. Its 3-prong locking outlet provides a grounded connection...

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50 Amp 125/250V Locking Female Connector, 3-Pole 4-Wire

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$83.94

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This locking female connector is for professionals assembling or repairing generator power cords. It provides a female cord-end connection for 50-amp power-cord applications.The black grounding...

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50 Amp California Standard AC Locking Female Connector, 3-Pole 4-Wire

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$109.94

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This 50 amp locking female connector is for professionals assembling or repairing compatible generator power cords. Its California standard AC locking configuration provides a connection point for...

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50 Amp California Standard Locking Female Connector, 3-Pole 4-Wire

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$109.94

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This 50 amp California standard locking female connector is for electricians and generator power-cord service teams creating or repairing compatible generator power cords. Its locking connection...

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Helpful Buying Guide

Choose compatible plugs and receptacles for cord assembly or installation

The right connection starts with matching the NEMA configuration, connection type, electrical rating, grounding arrangement, cable size, and installation format to the compatible cord or equipment connection. Options in this category include locking and straight-blade formats for building, repairing, or installing compatible power connections.

Visual Guide

Popular examples in this category

30 Amp NEMA L14-30P Locking Assembly PlugWBM1341983

30A NEMA L5-30R Locking Flush ReceptacleWBM1341971

20A Locking Assembly Plug, NEMA L14-20PWBM1341978

50 Amp California Standard AC Locking Female Connector, 3-Pole 4-WireWBM1341989

Use Cases

Build or repair compatible power cords

Assembly plugs and female connectors are suited to generator power-cord creation and repair. A straight-blade male plug can also be used for compatible temporary power and generator power cords.

How to Choose

Match the connection before selecting

Compare the required NEMA configuration, male or female end, amp and voltage rating, pole and wire arrangement, and compatible cable-size range. For installed connections, also determine whether a flush receptacle or flanged inlet is needed.

Applications

Support cord-end and mounted connections

Locking plugs and connectors provide cord-end connections, while the locking flush receptacle provides a flush-mount outlet format and the flanged inlet provides a panel-mount connection point.

Additional Info

Review handling and installation details

Available details include back-wired connections, a straight clamp cord design, graspable bodies, grab-cord styling, a weatherproof cap, and selected color finishes.

15A–50AAmperage options

Represented connection ratings range from 15 amp through 50 amp.

2Grounding arrangements

Choose from 2-pole, 3-wire or 3-pole, 4-wire grounded configurations.

Locking or straight-bladeConnection styles

The category includes both locking and straight-blade connection formats.

10/3–16/3 to 6/4–10/4Cable ranges

Cable compatibility varies by product and connection format.

Comparison Guide

Compare common connection formats

Use this overview to narrow the product type before confirming the exact NEMA configuration, rating, wiring arrangement, and cable compatibility.

Product type	Connection and installation format	Selection considerations
Locking assembly plug	Male cord-end connection for compatible power-cord assembly or repair	Match the NEMA male end, rating, grounding arrangement, and stated cable range.
Locking female connector	Female cord-end connection for compatible generator power-cord work	Match the compatible connection, amp and voltage rating, 3-pole/4-wire arrangement where required, and cable range.
Receptacle or flanged inlet	Flush-mounted outlet or panel-mounted male connection point	Choose a flush receptacle or flanged inlet based on installation format, then confirm NEMA configuration and electrical requirements.

Planning Guide

Plan the right fit before choosing

Connection types

Select the format that fits the job

Cord-end products include male assembly plugs and female connectors for compatible power-cord assemblies. A locking flush receptacle accepts compatible locking plugs in a flush-mount installation. A straight-blade flanged inlet provides a panel-mount male connection point, while straight-blade male and female cord ends support compatible cord connections.

Male options include NEMA L14-30P, L14-20P, L5-30P, and 5-15P configurations.
Female options include NEMA L14-30R, L5-30R, 5-15/20R, and California standard locking configurations.
Choose locking or straight-blade format according to the compatible connection required.

Electrical and cable matching

Compare ratings, grounding, and cable compatibility

Products represented in this category cover 15A, 20A, 30A, and 50A connection options. Grounded arrangements include 2-pole, 3-wire and 3-pole, 4-wire formats. Cable compatibility varies by cord end, so confirm that the cable falls within the stated range before selecting.

15A and 15/20A straight-blade options support 125V applications.
30A locking options include 125V and 125/250V configurations.
50A female connectors support 250V or 125/250V power-cord applications as stated.
Compatible cable ranges include 10/3 to 16/3, 10/3 to 12/3, 10/4 to 12/4, and 6/4 to 10/4.

Installation and usability

Consider mounting and cord-handling features

For an installed outlet, a 30A NEMA L5-30R receptacle offers a flush-mount, back-wired format. For a panel connection, the 15A NEMA 5-15P inlet is back-wired and includes a weatherproof cap. Cord-end options may include a straight clamp cord design, graspable body, grab-cord design, or color finish for visual distinction.

Use a flush receptacle where a flush installation is required.
Use a flanged inlet where a panel-mount connection point is needed.
Review cord retention and handling features for the selected cord-end style.

FAQ

Common questions before buying

What is the difference between a locking plug and a locking connector?

A locking plug has a male end, while a locking connector has a female end. Both are used for compatible cord-end power connections.

How do I choose the right NEMA configuration?

Match the required male or female NEMA configuration to the compatible receptacle, plug, equipment connection, or cord assembly.

What cable sizes are represented in this category?

Stated compatibility ranges include 10/3 to 16/3, 10/3 to 12/3, 10/4 to 12/4, and 6/4 to 10/4, depending on the product.

When should I choose a receptacle or a flanged inlet?

Choose a flush receptacle for a flush-mount outlet installation. Choose a flanged inlet when a panel-mount male connection point is required.

Locking Plugs & Receptacles

15 Amp Straight-Blade Flanged Inlet, NEMA 5-15P

15/20 Amp Straight-Blade Female Connector, NEMA 5-15/20R, Black

15A Straight-Blade Male Plug, NEMA 5-15P

20A Locking Assembly Plug, NEMA L14-20P

30 Amp Locking Connector with NEMA L14-30R Female End

30 Amp NEMA L14-30P Locking Assembly Plug

30 Amp NEMA L5-30P Locking Assembly Plug, Yellow

30A NEMA L5-30R Locking Flush Receptacle

50 Amp 125/250V Locking Female Connector, 3-Pole 4-Wire

50 Amp California Standard AC Locking Female Connector, 3-Pole 4-Wire

50 Amp California Standard Locking Female Connector, 3-Pole 4-Wire

Choose compatible plugs and receptacles for cord assembly or installation

Popular examples in this category

Build or repair compatible power cords

Match the connection before selecting

Support cord-end and mounted connections

Review handling and installation details

Compare common connection formats

Plan the right fit before choosing

Select the format that fits the job

Compare ratings, grounding, and cable compatibility

Consider mounting and cord-handling features

Common questions before buying

Choosing the right file folders

Folder FAQs

Outfitting classrooms that work all day

Education FAQs

Choosing the right labels

Labels FAQs

Choosing the right tab dividers

Tab Dividers FAQs

Choosing the right office supplies

Office Supplies FAQs

Choosing the right sports & PE equipment

Sports & Athletics FAQs

Choosing the right FireKing fireproof cabinet

FireKing FAQs

Shipping & Policies