In early 2015, Electrix engaged Active Plastics to assist with developing and testing a specialised piece of tooling to use in the high voltage (HV) transmission line construction industry. The injection moulded, nylon catenary roller block is a critical piece of equipment used to protect sensitive infrastructure when replacing cables on HV transmission lines.

After the prototype testing was completed, Active Plastics were able to complete, with very tight deadlines, the manufacturing of moulds and final production of 300 completed catenary roller blocks for Electrix to use in critical trials on the New Zealand National Electricity Grid in March 2016.

The catenary roller blocks have passed all in service tests and are now an accepted piece of equipment in the New Zealand transmission industry."

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