A battery?

Problems? “My electrical system keeps tripping out!”

Electrical/Electronic inventions that changed the world – The Transistor (1947)

Multiple earths and earth loops, … a problem?

Electrical/Electronic inventions that changed the world – The Incandescent Light Bulb (1835)

Electronic Fundamentals – Basic Transistor Amplifiers

Electrical/Electronic inventions that changed the world – The Battery (1799)

Women Pioneers of Electrical and Electronic Engineering – Hedy Lamar – (Hedwig Eva Maria Kiesler (1914 – 1980)

Fag packet notes, … always good for reference,.. No 1 Electrical Fuses

Possibly the electrician in this case was nervous of non compliance.

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