BA4 · NAPIT Approved · BS 7671 18th Edition · Part P Notified

Surge Protection (SPD)
in Shepton Mallet

Type 2 Surge Protection Devices (SPDs) for homes and businesses in Shepton Mallet (BA4) — fitted as standard with every new consumer unit, or retrofitted to a suitable existing board. An SPD diverts transient overvoltages safely to earth, protecting EV chargers, heat pumps, smart-home kit, computers, TVs and appliances. BS 7671 18th Edition Amendment 2, NAPIT-certified, Part P notified.

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Consumer unit with Type 2 surge protection device — DS Electrical — Shepton Mallet
NAPIT approved electrical contractorNAPIT
City and Guilds qualified electricianCity & Guilds
TrustMark government-endorsed quality scheme logo for DS ElectricalTrustMark
Part P registered electricianPart P
BS 7671 18th Edition compliantBS 7671
500+
Jobs completed
15+
Years experience
5.0
Google rating
£2M
Public liability cover
What's included

Surge protection for Shepton Mallet customers

A Type 2 Surge Protection Device (SPD) protects your installation from transient overvoltages — the spikes caused by grid switching and nearby lightning activity that can quietly damage modern electronics. We fit a Type 2 SPD as standard with every new consumer unit, and can retrofit one to a suitable existing board. Every job is BS 7671 18th edition certified and Part P notified through NAPIT.

Full service detail on our parent Surge Protection (SPD) page.

Local Knowledge

Why Shepton Mallet is different

Shepton Mallet (BA4) is industrial-edge Somerset — Royal Bath & West Showground, working farms, light-industrial estates around Townsend and Cannards Grave, plus stone cottages and Georgian terraces in the town centre. Mixed-use stock: agricultural, light commercial, period domestic.

Many jobs around Shepton Mallet involve farm or workshop loads — single phase up-rated to 3-phase, sub-mains across yards in SWA, agricultural sockets. We're set up for the right cabling and IP-rating from the start.

Sister city pages: EICR in Shepton Mallet · Rewires in Shepton Mallet

How surge protection is priced

Surge protection for Shepton Mallet

A Type 2 SPD is fitted as standard with every new consumer unit; a retrofit to a suitable existing board is quoted after a quick check of the board, spare ways and main earth. Survey is free; the written quote is fixed.

Standard

Type 2 SPD with a new consumer unit

  • Fitted as standard with every new board
  • Diverts transient surges safely to earth
  • Protects EV chargers, heat pumps and electronics
  • BS 7671:2018+A2:2022 surge assessment
Standard

SPD retrofit to an existing board

  • Added where there is a spare way
  • Board and main earth checked first
  • Suited to sound, modern consumer units
  • Quoted after a quick check
Honest nuance

What an SPD does and doesn’t do

  • Protects against most transient overvoltages
  • Surges from grid switching and lightning activity
  • Not protection against a direct lightning strike on the building
  • Free survey, fixed written quote, full certification
FAQ

Common questions

Do you do agricultural and showground work around Shepton Mallet?

Yes. We do farm wiring, workshop sub-boards, SWA submains across yards, agricultural-rated sockets and showground temporary supplies. Everything compliant with BS 7671 Section 705 (agricultural) and properly IP-rated for the environment.

Can you retrofit an SPD to my existing board?

Usually, yes. A Type 2 SPD can be added to a suitable existing consumer unit provided there is a spare way and the board is in sound condition with a proper main earth. We check the board and earthing first, then quote the retrofit. Where there is no room or the board is at end of life, fitting the SPD as part of a new consumer unit is often the better-value route.

What does a Type 2 SPD actually protect against?

A Type 2 SPD diverts transient overvoltages — surges from grid switching or nearby lightning activity — safely to earth before they reach your circuits. That protects sensitive kit like EV chargers, heat pumps, smart-home controls, computers, TVs and appliances. BS 7671:2018+A2:2022 requires an SPD to be assessed and fitted in most new installs. Note a Type 2 SPD guards against most transient surges, not a direct lightning strike on the building itself.

Surge protection in Shepton Mallet?

Free survey, fixed-price written quote, full BS 7671 certification. Call Dan directly on 07889 334849.

07889 334849
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Surge protection across Mid Somerset

The same Type 2 SPD service in our other coverage areas.

Surge Protection in Wells Surge Protection in Bath Surge Protection in Frome
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Call Dan — 07889 334849