The above photo is one of our projects ETM are carrying out. Can ETM help with any of your upcoming projects? From contact to completion our proficiency is evident in all of our electrical installation. With a wealth of experience in all aspects of electrical installation, you can trust ETM to provide you with an […]
What’s included in Fixed Wire Testing? The term Fixed Wiring Inspection &Testing generally refers to the inspection & testing activity of the electrical installation within a building. This being the electrical wiring and systems between the incoming electrical supply and final circuits; eg plug sockets, isolators, lights etc. It would not refer to equipment which […]
Why do I have to have fixed wire testing tests performed periodically? The Institute of Engineering and Technology (IET) produce guidance note 3 which incorporates 17th edition IET wiring regulations to BS7671. Section 3 of the guidance covers Electrical Periodic Inspection and Testing. Periodic Inspection and testing is required because an electrical installation will deteriorate […]
Question: Can you use 2 different 20mm2 knock outs to install your supply tails in a new metal consumer unit? Answer: No, when taking cables into a metal enclosure you should make sure both live and neutral are in to the same hole to avoid eddy currents – Regulation 521.5.1.
we would like this opportunity to say congratulations to our guys for achieving the contractor of the month on one of our large clients sites.Well done guys and not forgetting the support of our office staff who are a big part of our team.
Question I’ve been informed the supply company will only give my customer a TT electrical supply to their new industrial unit because of the other multiple paths to Earth that exist. Do I need to install a earth electrode or can I use one of the RSJs? Answer: BS 7671 does recognise the use of […]
Working at height Working at height remains one of the biggest causes of fatalities and major injuries. In 2014/15: • falls from height accounted for nearly three in ten fatal injuries to workers (41 out of 142); • almost half of fatal falls took place in construction (20 out of 41 fatal fall injuries); • […]
The risk of fire caused by an electrical fault can be hidden from normal view and less obvious to detect for someone who has responsibility for the safety of persons in a non domestic situation. This is one reason why it is important to have your electrical systems inspected and tested by a competent person […]
What is an AOV? AOV is simply an abbreviation for “Automatic Opening Vent”. An AOV system is a control system designed to vent air or smoke for use in natural & smoke ventilation. So why do I need an AOV system? AOV control systems are used mainly to control the ventilation of smoke in a […]
Above is our latest project.Project involves 10 etm engineers which they will be carrying out all electrical,plumbing and heating works also installation of virgin and sky supplies.We will also be designing and installing fire alarm system including AOR, door entry systems,security alarms and emergency lighting throughout. Etm are proud to have won this contract not […]
t 01922 710 014
Electrical Test Midlands Ltd
110B Walsall Road, Cannock,
West Midlands, WS11 0JB