Precast Electrical Products


We manufacture a wide range of Plinths for Electrical Reticulation and other Electrical installations.

  • Standard Mini-sub and Kiosk Plinths are available but we also cast non-standard plinths to suit any other Kiosk or Mini-sub.
  • We also cast Plinths for Generators and other electrical equipment.
  • Apart from Plinths, Twinstar also supplies cable covers slabs or alternatively known as trench covers or cable protection slabs.
  • Cable Markers are also available and can be seen in the markers section of this brochure.
  • Electrical joint boxes and distribution boxes are also part of the electrical range of products.
  • A Kiosk protection box is also available used by local municipalities to protect prepaid meter boxes from vandalism and theft.

Our Experts

Annemerie Coetzee


Andre Claassens

Production Manager

Standard Mini-sub and Kiosk Plinths

Standard Mini-sub and Kiosk  Plinths are  available but we  also cast non-standard plinths to suit any other Kiosk or Mini-sub.

We also cast Plinths for Generators and other electrical equipment

  • P1
  • P5
  • P6
  • P11
  • P12
  • P13
  • P17
  • P19
  • P21
  • P21 Mod
  • P22
  • P23
  • P25
  • P26 Mod
  • P27
  • P27 Mod
  • P32
  • P33
  • P43
  • P45
  • P50
  • P51
  • P52


Cable Cover Slabs

Cable Cover Slabs are available in standard Eskom sizes as well as all sizes listed below. Any other size is available on request.

All Cable Cover Slabs are casted with chamfered edges to minimise chips on sharp edges.

  • 600 x 250 x 60
  • 600 x 250 x 70
  • 550 x 285 x 60
  • 725 x 285 x 60
  • 1000 x 490 x 65

Cable Cover Slabs

Custom Made Enclosures

Custom Made enclosures for protection of Pre-paid Electricity cabins or any other cabin which has a high risk of tampering & theft


Custom Enclosure

Custom Slab

Custom Plinths and Electrical Combiner

Custom Plinths and Electrical combiner & cable joint boxes for Renewable Energy and other electrical projects.

Electrical Gallery


Lamp Pole Cover & Frame

Hydrant Marker

Plinths available in Various sizes

P21 Plinth


Electrical Distribution Box With Lid

P25 Plinth

Precast Plinth for Transformer

Electrical Combiner Boxes

Electrical Termination Boxes

Service Marker with Plate

Frequently Asked Questions

Do you have branches?

No, our only branch is in Olifantsfontein, Gauteng

Can I order only one item?

Yes, we accept any number of orders. Even once off items.

Can I order only one custom product?

Yes, we are ready to handle any custom order. 

Can I get a quote?

E-Mail your request with drawings or dimensions to us. Please include company detail quantity required and delivery address in your request.

Can I order a custom product?

Yes. Twinstar specializes in custom precast concrete products. 

What is your lead time on orders?

Lead time depends on the product and quantity ordered and will be confirmed at quote stage.

Can I supply my own cast-in items?

Yes, you can supply lids, grids, vents etc for us to cast into you product.

Do you have card facilities for payment?

Unfortunately we do not have card facilities. We accept Cash, but prefer EFT payments

Are you registered on the Central Supplier Database?

Yes – Registration Number MAAA0946926