LV & ELV Electrical ContractingPower and low-current systems are the nervous system of every building. Calderstone installs and commissions LV and ELV systems for commercial, industrial and residential projects, from the first cable pull to the final test report.
Test Reports on Handover
About CalderstoneWe are an electrical contracting company focused on LV power installation and ELV systems. Our teams handle cable pulling, glanding and termination, panel installation, containment, testing, fire alarm cabling, emergency systems, BMS and structured cabling for clients who value clean workmanship and clear communication.
Our Services
Safe, correctly rated power cable installation in trenches, ducts, risers and trays.
Learn More
Neat, secure cable terminations using the correct glands, lugs, torque and labelling.
Learn More
Fire-rated cabling routes built for code compliance, reliability and clear identification.
Learn More
Organised Cat6, Cat6A and fibre networks that are labelled, tested and ready to scale.
Learn More Why Choose UsLV and ELV are our focus. We plan manpower and materials ahead, work to approved drawings and method statements, test every system and keep one accountable point of contact from mobilisation to handover.
Permit-to-work discipline, proper PPE, lock-out/tag-out and regular toolbox talks.
Straight containment, labelled cables, tidy panels and readable test documentation.
Tested Before Handover
Frequently Asked QuestionsWe respect the manufacturer's pulling tension and bending radius, use rollers and assign spotters at every bend.
Yes. Every required test is recorded and handed over in an organised file.
Yes. We plan work hours, protect finishes and minimise noise and disruption.
Yes, subject to approved materials and the agreed contract scope.
Site Insights
Choosing the right containment for load, environment, ventilation and future growth saves rework and protects cable life.
Wrong cable, poor support, weak segregation and unsealed penetrations can compromise a life-safety system.
No more blackouts, no more energy worries! CALDERSTONE ensures you have uninterrupted, high-quality power whenever you need it. Get a free!
Calderstone delivers safe, tested and well-documented LV and ELV electrical installations.