Ritherdon Online Shop Product Blog

When do I need a CT Chamber?

Ligia Salazar

When do I need a CT Chamber?

When the supply to a site needs to be greater than 100 A (~70 kVA at 415 V) then the electricity meter works with current transformers (CTs) houses within their own enclosure – the CT chamber.  The power cables come onto the site, via a cut-out unit, into the CT Chamber and the Meter Operator typically mounts their meter on the CT chamber.

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Do you supply replacement locks for Ritherdon meter boxes?

Gary Ravetta

Do you supply replacement locks for Ritherdon meter boxes?

Replacement locks are available for our Meter box replacement door and frame units and for our Meter boxes (complete units).  We've put together all the options along with their corresponding Ritherdon unit.  Slam Locks    Shallow Slam Lock Kit (SLK12)   The shallow slam lock is 12mm deep, or if the lock is missing fits onto doors with 20mm studs either by screw-on locking nuts or push on locking washers (supplied with both) and is suitable for the following units: R3, R5, R10E, R10G, Small & Medium  R17E, R18E, R18G, R22G, R26E, R28E & R28G.    Deep Slam Lock Kit (SLK20)   The deep slam lock is 20mm deep, or...

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When do I require a Universal Overbox?

Gary Ravetta

When do I require a Universal Overbox?

The Ritherdon Universal Overbox is a one size fits all solution for Meter Boxes. When a correct size cannot be chosen from our range the Universal Overbox measuring in at 810h x 660w x 100d would fit most boxes in situ.      

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How do your Meter Box Repair Units work?

Gary Ravetta

How do your Meter Box Repair Units work?

External electricity & gas meters on domestic properties are usually installed in glass reinforced plastic (GRP) enclosures. However, these meter boxes are susceptible to damage from vandalism, the wind catching loose doors and general wear and tear. These units are a quick and robust method for meter box repair. Designed to cover all the accessible GRP with powder-coated steel, without having the cost of disconnecting the meter. Ritherdon Door and Frame units provide a cost-effective solution to this problem.

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Do you sell GRP Meter Boxes?

Gary Ravetta

Do you sell GRP Meter Boxes?

Here at Ritherdon we only manufacture our Meter Boxes & Meter Box Repair Units from Steel and Stainless Steel. We feel using these materials give us a stronger, more reliable product standing up better to accidental or malicious damage as well as fairing better out in the elements. This is more prevalent when repairing already damaged GRP meter boxes as these have already been damaged or become brittle over time and lost their integrity, to be replaced with a stronger, longer lasting product without the need of constant maintenance.   GRP meter boxes come in all shapes and sizes and...

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