W T Henley Ltd manufactures an extensive range of electrical equipment used throughout electrical supply distribution networks, from sub-station to the consumer.
For over 150 years the name Henley has been associated with quality and reliability. William Thomas Henley formed the original company in 1837. A founding father of the electrical engineering industry, his foresight and genius for inventions paved the way for the transmission of electricity around the world.
Today, W T Henley is a market Ieader for cable joints and terminations, distribution equipment and overhead line insulators. Our products are manufactured to the highest quality standards and our team of experienced design engineers ensure that we stay at the forefront of modern technology using the most advanced materials.
Modern bulk manufacturing at our works in Gravesend gives us cost and quality control over both raw materials and end products, maintaining our reputation for high standards and helping to ensure that we deIiver on time to precise specifications right across our wide product range.
Our quality management system is in accordance with EN ISO 9001: 1994. We are an approved supplier to all major Electricity Utilities and to a large number of electricity supply companies around the world. All our products are fully tested to British, Harmonised European and IEC Standards where applicable. In addition the production of components manufactured from high performance PTFE is certified to Rolls Royce PLC CQC 103 standard.
W T Henley is justifiably proud of it's past achievements, but is also committed to the future and to ensuring that the W T Henley name remains synonymous with quality and innovation throughout the worldwide electrical distribution industry.

• Cable joint
• Cable termination