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Learn more by watching our CnZMATE C & Z Purlin Mounting Block | Purlmate 3750 video.
3750 is a C and Z purlin mounting block rated for interior and exterior use. It mounts switches, sockets, and electrical fittings directly to steel purlins via a 44mm hole cut through the purlin itself. This design provides a clean, flush mounting surface without surface conduit runs or exposed cabling. It suits standard switch plates and complies with electrical standards for domestic and commercial installations.
Shed electricians and builders specify purlin mounting blocks for installations above workbenches and under eaves. They deliver tidy, finished results where traditional wall boxes and surface conduit add visual clutter. The Purlmate 3750 is chosen for jobs requiring a professional appearance from both sides of the purlin and where installation speed matters. Stock rotation is simple: one design covers both interior and exterior use.
Contractors report faster installation than traditional alternatives and a neat finish that improves overall job appearance. The low-profile design maximises space above and below the purlin. Multiple units can be gang-joined to support expanded power or lighting control. The slotted mounting holes allow quick, accurate positioning without repositioning or re-drilling.
The Purlmate 3750 is not suitable for installations that require flush wall-box mounting (use wall boxes instead for internal drywall installations) or for applications where conduit entry size larger than 25mm is required (use larger purlin blocks or alternative mounting methods).
Verified Sparky Direct customer reviews: CnZMATE C & Z Purlin Mounting Block | Purlmate 3750
"First time I've used this gear. Highly recommended. Easy to fit and looks good." — John B
"These purlin GPO mounting blocks are the best for mounting GPO's in sheds." — Ralph
"Fantastic easy solution." — Andrew
(P3750)
The Purlmate 3750 requires a 44mm hole cut through the purlin. You will need a 44mm hole saw rated for steel to make a clean opening. Once the hole is cut, the block fits flush through and is secured with the supplied screws.
The Purlmate 3750 is rated for both interior and exterior use. It is suitable for sheds, covered areas, under eaves, and external installations with no environmental restrictions. The steel construction handles all weather conditions.
Yes, the Purlmate 3750 suits standard switch plates. It is compatible with commonly available outlet faceplates and switch mechanisms used in Australian installations. No special or custom plates are required.
Yes, multiple Purlmate 3750 units can be gang-joined end-to-end to create larger clusters. This allows you to mount several switches and sockets on a single purlin run for expanded control and power distribution.
The Purlmate 3750 has 2 x 25mm plain conduit entries. Standard 25mm conduit fits directly into these entries. If you require larger conduit (32mm or above), you will need to use a larger purlin-mounting block model or alternative mounting method.
The CnZMATE P3750 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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We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.
If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.
All products come with a manufacturer’s or supplier’s warranty
Damaged or Faulty Goods
If your order arrives damaged or is faulty, let us know within 24 hours.
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How to Request a Return
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
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.
For website terms and conditions https://www.sparkydirect.com.au/terms-of-use
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