A learner-friendly guide covering the safe isolation procedure, from gaining permission and identifying the circuit through to proving dead and beginning work.
A learner-friendly guide covering common electrical faults and the safety devices used to protect people, electrical installations and equipment, including fuses, MCBs, RCDs, RCBOs, SPDs and AFDDs.
A learner-friendly guide covering the cable calculation and selection process, including design current, protective device ratings, correction factors, voltage drop, earth fault loop impedance and the adiabatic equation.
A learner-friendly guide covering the differences between conventional and addressable fire alarm systems, including how they work, system wiring and their key advantages and disadvantages.
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