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Learn more by watching our NLS 30076 | 25mm PVC Coupling Plain Grey | TC25 video.
The NLS TC25 is a 25mm PVC conduit coupling that joins two plain conduit ends, supplied in grey and rated for medium duty conduit. The TC25 is listed by NLS under catalogue number 30076 and measures 47mm long with a 29mm outside diameter and a 2mm wall thickness. Its 25mm internal diameter accepts rigid and corrugated conduit.
Conduit runs rarely finish at the length first cut, and a mechanical joint that loosens later means opening a wall cavity or lifting flooring to reach it. The TC25 combines a 2mm wall thickness with a socket at each end that grips the conduit before the solvent cement cures. Installers ordering fittings by the carton for volume work need consistent seating across every coupling. A plain to plain 25mm socket removes any doubt about orientation on a straight run.
Electricians running split system condensate lines and general 25mm circuits consume couplings in volume, so unit price and carton consistency both matter. The TC25 is sold individually and boxed in fifties, which suits van restock as well as a full site fit-out. Trade pricing on a fitting this common compounds across a job carrying several hundred joints. A single coupling covers grey rigid conduit above ground and heavy duty orange conduit below it, so one line on the van handles both applications.
The TC25 is sized for 25mm conduit only and will not accommodate 20mm or 32mm conduit. Its plain socket carries no thread, so it cannot join screwed conduit or seal into a threaded entry. The coupling is neither a cable gland nor an expansion joint, and a cemented joint is not a substitute for a rated sealed entry where the installation specification calls for one.
Verified Sparky Direct customer reviews: 25mm PVC Coupling Plain Grey (TC25)
"They are strong and fit snug." — Sam
"Fits in conduit well" — Jason
"Beats other supplier prices" — Robin
(TC25)
Push a cut length of 25mm conduit into each end of the coupling, then secure both joints with PVC solvent cement, available in clear or blue. NLS advises always gluing the coupling to hold the fit. No thread, lock ring or backnut is involved.
The TC25 accepts rigid and corrugated 25mm conduit. NLS lists the coupling as compatible with 25mm conduit generally, and the same fitting joins 25mm heavy duty orange conduit underground. Grey is the standard above-ground colour and does not affect the fit.
A plain to plain coupling has an unthreaded socket at both ends and joins two cut lengths of conduit directly. A plain to screw fitting carries a thread on one end for screwed entries and glands. The TC25 is plain to plain, so it joins conduit to conduit only.
The coupling measures 47mm long with a 29mm outside diameter, a 25mm internal diameter and a 2mm wall thickness. Packaged weight is 0.015kg. Material is PVC, colour is grey, and the fitting is rated for medium duty conduit.
Couplings are sold individually and also come in box increments of 50. Carton quantities suit volume work such as a full house rough-in or repeat condensate drain runs, while single units cover van restock and one-off repairs.
NLS covers the TC25 for one year in domestic use and one year in commercial use, starting from the invoice date. The warranty method is return to Sparky Direct. Warranties are void where the product has not been installed by a licensed electrician.
The NLS TC25 is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | NATIONAL LIGHT SOURCES |
| SKU | TC25 |
| Model # | 30076NLS |
| Barcode # | 9336700002367 |
| Package Weight | 0.015kg |
| TYPE | VALUE |
|---|---|
| Type | Conduit & Fittings |
| Brand | National Light Sources |
| Colour | Grey |
| Width (mm) | 29 |
| Length (mm) | 47 |
| Material | PVC |
| Box increments (This item is sold individually) | 50 |
| Conduit Coupling Type | Plain to Plain |
| Conduit type | Grey Rigid |
| Conduit Internal Diameter (mm) | 25 |
| Medium or Heavy Duty Conduit | Medium Duty Conduit |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.
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