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Learn more by watching our NLS 30717 | Solid Mounting Block 25mm Entry video.
The NLS 30717 is a solid-backed mounting block rated 1 Gang with PVC construction, designed for electrical outlet protection on metal sheds and external surfaces. The block features two 25mm cable entries for corrugated or rigid conduit and includes two 25mm end caps. The 30717 complies with fire-resistant material standards and is suitable for horizontal or vertical mounting with 84mm mounting centres.
Metal sheds and external installations require protected wiring paths where exposed terminal connections are a shock hazard. A solid-back mounting block isolates the internal outlet cavity from direct contact with metal mounting surfaces, adding critical protection where standard plastic backs offer insufficient insulation. The NLS 30717 delivers solid PVC backing for complete terminal protection, with six 25mm entry points (bottom, top, left, right, and rear) allowing flexible conduit routing without requiring costly adapters.
Licensed electricians specify solid mounting blocks on metal structures and retrofit installations where outlet terminals are installed on conductive surfaces. The NLS 30717 is built tough in fire-resistant material and comes complete with mounting screws and end plugs, reducing on-site preparation. The flat backing plate seats flush against metal, and the pre-drilled 84mm centres match standard Australian wall box spacing, making installation straightforward on both new and existing installations.
The NLS 30717 is not suitable for fully outdoor installation, damp zones, or direct water exposure. Do not use in bathrooms, wet areas, laundries, or locations subject to rain or condensation. For outdoor GPO protection, specify a weatherproof or IP66-rated enclosure.
Verified Sparky Direct customer reviews: NLS 30717 Solid Mounting Block 25mm Entry (30717)
"Great product and great price." — Scott
"Perfect for the job, look good and solid units." — Monty
"Good quality solid box at a great price." — Jeff
(30717)
The NLS 30717 is a solid-backed 1 Gang mounting block for single electrical outlets on metal surfaces like sheds and garages. The solid PVC back isolates outlet terminals from direct metal contact, providing extra safety on conductive mounting surfaces.
Yes. The NLS 30717 comes complete with two 25mm end plugs, mounting screws, and two end caps for blocking unused entry ports. No additional hardware is required for a standard installation on a pre-drilled backing plate.
Yes. The NLS 30717 suits both horizontal and vertical mounting orientation. The flat backing plate seats securely in either position with 84mm mounting centres that align with standard Australian wall box spacing.
No. The NLS 30717 is intended for dry, sheltered locations like workshop interiors and shed walls. It is not rated for direct outdoor exposure, damp zones, bathrooms, laundries, or areas subject to rain or condensation. For outdoor applications, specify an IP66-rated weatherproof enclosure.
The NLS 30717 provides six 25mm cable entry ports: two on the bottom, one on the top, one on the left side, one on the right side, and one on the rear. Two 25mm end plugs are supplied to seal any unused ports and maintain the solid backing.
The NLS 30717 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.
Contact us via our chat to arrange the return.
Exclusions
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How to Request a Return
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Replacement warranty return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | NATIONAL LIGHT SOURCES |
| SKU | 30717 |
| Model # | 30717NLS |
| Package Weight | 0.104kg |
| TYPE | VALUE |
|---|---|
| Type | Electrical Accessories |
| Brand | National Light Sources |
| Colour | White |
| Height (mm) | 75 |
| Depth (mm) | 36 |
| Length (mm) | 120 |
| Material | PVC |
| Cable Entry Number | 2 |
| Box increments | 10 |
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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