Electrical

Electrical

Consumer Unit

What is a consumer unit? Plain-English definition of consumer units (fuse boxes) in UK electrical installations, circuit breake...

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Earth Rod

What is an earth rod? Plain-English guide to earth electrodes and earthing systems in domestic electrical installations - when ...

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Earthing

What is earthing in electrical installations? Plain-English definition of earthing and bonding in UK buildings, the different e...

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Electrical Bonding

What is electrical bonding? Plain-English guide to main equipotential bonding and supplementary bonding in domestic wiring - wh...

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MCB

What is an MCB? Plain-English guide to miniature circuit breakers in consumer units - how MCBs work, the difference between Typ...

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RCBO

What is an RCBO? Plain-English guide to Residual Current Breaker with Overcurrent protection - how RCBOs combine MCB and RCD fu...

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RCD

What is an RCD? Plain-English explanation of residual current devices in UK electrical installations, how RCDs protect against ...

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Ring Main

What is a ring main? Plain-English definition of ring final circuits in UK electrical installations, how they work, maximum spu...

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SPD

What is an SPD? Plain-English guide to Surge Protection Devices in domestic consumer units - how SPDs protect against transient...

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SWA Cable

What is SWA cable? Plain-English definition of steel wire armoured cable, its construction, common uses in outdoor and undergro...

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