A reliable earthing system is only as safe as the protection around it. Heavy duty earth pit covers shield the earth electrode, conductor joints and backfill compound from vehicle loads, foot traffic, rainwater, dust and tampering. SG Power Products Pvt. Ltd. is a trusted heavy duty earth pit covers manufacturer and supplier in India, offering the TRUESAFE™ range of HDPP earth pit covers in five sizes – 10 inch, 12 inch, 13 inch, 18 inch and 18 inch rectangular (Jumbo).
Every cover is built to IS 3043 guidelines for earthing practice, comes with a bolted lid locking system and is UV-stabilized for long outdoor life. Whether you need a compact round earthing pit cover for a commercial building or a large square heavy duty pit cover for a substation, our range covers every project requirement with bulk supply across India.

A heavy duty earth pit cover (also called an earthing pit cover, earth pit chamber or earth pit box) is a protective enclosure placed at ground level over an earthing pit. It keeps the top of the earth electrode accessible for inspection and earth resistance testing while preventing physical damage and unauthorized access.
Unlike thin plastic covers, heavy duty polymer earth pit covers are moulded with thick walls and reinforced lids so they can withstand pedestrian and light vehicular movement in industrial areas, parking zones, roadsides and utility yards. They also provide a clearly visible, identifiable marking point for maintenance teams.
For lighter, indoor or low-traffic locations SG Power also makes light duty earth pit covers, and for sites that need a metal cover, cast iron earth pit covers.
As an experienced earth pit cover manufacturer, SG Power offers five heavy duty models so you can match the cover to the pit size, electrode type and site conditions.

The EPC-02 is a compact round earth pit cover with a 240 mm top diameter, 320 mm bottom diameter and 275 mm height. It is moulded in HDPP with a green lid and green or black base, and secured with an Allen bolt lid lock. Four conductor openings make it ideal for residential complexes, commercial buildings, telecom sites and small electrical panels.
View EPC-02
The EPC-04 is a square heavy duty pit cover measuring 300 mm × 300 mm with a height of 240 mm. It has a black base, black/grey lid, Allen bolt locking and four conductor openings. This model carries a load test certificate from an NABL-accredited lab, making it a preferred choice for tender specifications and industrial projects.
View EPC-04
The EPC-03 offers a taller round chamber with a 260 mm top diameter, 350 mm bottom diameter and 365 mm height – giving more depth around the electrode head and clamps. It uses a GI hex bolt lid lock, a black base with green lid, and four openings for earthing conductors. It suits factories, solar plants and infrastructure projects.
View EPC-03
The EPC-05 is a large square earth pit cover of 500 mm × 500 mm with a 330 mm height, designed for big earthing pits, chemical earthing and multiple-electrode installations. It features GI hex bolt locking, a black/grey lid and a choice of 2 or 4 conductor openings. Like the EPC-04, it is backed by an NABL lab load test certificate, making it suitable for substations, railways, metro and DISCOM projects.
View EPC-05
The EPC-Jumbo is a rectangular heavy duty earthing pit cover with a 530 mm top dimension, 400 mm bottom dimension and 310 mm height. With a GI hex bolt lid lock, green lid, black base and two conductor openings, it provides a wide, stable enclosure for large pits in power plants, heavy industries and utility networks.
View EPC-Jumbo| Model | Size | Shape | Top (mm) | Bottom (mm) | Height (mm) | Lid Lock | Openings | NABL Load Test |
|---|---|---|---|---|---|---|---|---|
| EPC-02 | 10 inch | Round | 240 dia | 320 dia | 275 | Allen bolt | 4 | – |
| EPC-04 | 12 inch | Square | 300 × 300 | 300 × 300 | 240 | Allen bolt | 4 | Yes |
| EPC-03 | 13 inch | Round | 260 dia | 350 dia | 365 | GI hex bolt | 4 | – |
| EPC-05 | 18 inch | Square | 500 × 500 | 500 × 500 | 330 | GI hex bolt | 2 / 4 | Yes |
| EPC-Jumbo | 18 inch | Rectangular | 530 | 400 | 310 | GI hex bolt | 2 | – |
Common specifications for all models: Material – HDPP (High-Density Polypropylene) | Make – SGPL | Brand – TRUESAFE™ | UV resistant – Yes | Eco-friendly – Yes | Applicable standard – IS 3043.
High-strength HDPP construction – tough, impact-resistant and lighter than concrete or cast iron covers.
Corrosion-free and rust-proof – no metal body to rust, rot or crack in wet or chemical-rich soil.
Lid locking system – Allen bolt or GI hex bolt locking prevents tampering, theft and accidental opening.
UV-stabilised material – resists fading and brittleness under strong sunlight.
Multiple conductor openings – 2 or 4 openings for earthing strips, wires and GI/copper conductors.
IS 3043 compliant – designed in line with the Indian code of practice for earthing.
NABL load-tested models – EPC-04 and EPC-05 come with third-party load test certification.
Easy installation and inspection – quick access for earth resistance testing and periodic maintenance.
Eco-friendly and recyclable – a sustainable alternative to traditional concrete chambers.
Concrete (RCC) earth pit covers are heavy, crack over time and are hard to lift during maintenance. Cast iron covers corrode and are often stolen for scrap value. HDPP polymer earth pit covers combine high load-bearing strength with low weight, chemical resistance and zero scrap value – which reduces theft.
They are also non-conductive, adding a layer of safety for technicians working on the earthing system.
HDPP covers are lighter, rust-proof, crack-resistant, non-conductive and have no scrap value, which reduces theft.
Our heavy duty earthing pit covers are used across:
Select the cover based on pit diameter, electrode size and site traffic. For standard building earthing, the 10 inch or 13 inch round covers work well.
For tender-based industrial and utility projects, the 12 inch square EPC-04 with NABL load test certification is a popular choice. For large pits, multiple electrodes or substations, choose the 18 inch square EPC-05 or the 18 inch rectangular EPC-Jumbo. Our technical team can help you finalise the right model for your earthing design.
Direct manufacturer pricing – no middlemen, competitive rates for bulk orders.
Complete earthing solutions – earthing electrodes, GI electrodes, backfill compound, lightning arresters and earth pit covers from one source.
Proven project experience – supplying railways, metro, DISCOMs, renewable energy and EPC contractors.
Quality assurance – IS 3043-aligned design and NABL load-tested models.
Pan-India supply – reliable dispatch to project sites across India.
Technical support – guidance on size selection and installation.
As one of the leading heavy duty earth pit covers suppliers in India, SG Power supports contractors, consultants, OEMs and dealers with consistent quality and on-time delivery. We also make earthing rods, earthing strips and surge protection devices, so a full earthing package comes from one maker. Learn more about SG Power.
Every TRUESAFE™ heavy duty earth pit cover is quoted on request. Send the model, the quantity and the delivery location, and our team will share the best price for your project.
| Model | Size | Price |
|---|---|---|
| EPC-02 | 10 inch round | Price on request |
| EPC-04 | 12 inch square | Price on request |
| EPC-03 | 13 inch round | Price on request |
| EPC-05 | 18 inch square | Price on request |
| EPC-Jumbo | 18 inch rectangular rectangular | Price on request |
Production begins on receipt of a 50% advance payment. * Prices are indicative. For the latest price, contact SG Power.
Call +91 8929722150 or email enquiry@sgpower.co.in with the model, quantity and delivery location, and our team will share the best price. We supply bulk quantities to contractors, utilities and dealers across India.