How Insurers Assess Risk in Electrical Component Manufacturing

Introduction

Electrical component manufacturing sits at the crossroads of precision engineering, strict quality control, and complex supply chains. From PCB assembly and cable harness production to connectors, sensors, and power electronics, the risks insurers worry about are rarely “one big thing”. They’re usually a chain of small failures: a supplier change, a process tweak, a missed inspection, a rushed shipment, and a fault that only shows up once your customer has built your part into a larger system.

In the UK, insurers assess these risks to decide three things: whether they want to insure you at all, what cover terms to offer, and what premium and excess (deductible) to charge. This guide explains what underwriters look at, why it matters, and what you can do to present your business as a well-run, well-controlled manufacturer.

1) The core question: “What’s the worst plausible loss?”

Underwriters start with a simple lens: severity and frequency.

• Severity: If something goes wrong, how expensive could it get? (Think: a product defect causing a recall, a fire in a production area, or a major customer claim.)
• Frequency: How likely is it to happen, based on your processes, people, and history?

Electrical components often have high severity potential because they can be safety-critical, used in regulated environments, and embedded into other products. Even if your part is low-cost, the downstream impact can be huge.

2) What you make and where it’s used

Insurers will want a clear picture of your product range and end-use.

Product type and complexity

They’ll ask:

• Are you manufacturing passive components (e.g., resistors, capacitors), connectors, cable assemblies, PCBs/PCBAs, power supplies, battery management systems, or custom electronics?
• Is it standard catalogue production or bespoke design-to-spec?
• Are you doing design, manufacture, or both?

The more design responsibility you carry, the more your risk shifts from “manufacturing defect” to “design error”, which can affect Product Liability and Professional Indemnity.

End markets and safety-critical use

Underwriters pay close attention to where your components end up:

• Medical devices (MHRA expectations, traceability, post-market surveillance)
• Automotive (IATF 16949 environments, high recall exposure)
• Aerospace/defence (tight tolerances, long-tail claims)
• Industrial control systems (downtime and consequential loss concerns)
• Consumer electronics (volume-driven recall potential)

If your components are used in life-safety or mission-critical systems, insurers will look for stronger evidence of testing, documentation, and change control.

3) Quality management systems (QMS): the “trust framework”

A robust QMS is one of the strongest signals to an insurer that you control your risk.

Certifications and standards

Common standards that help (depending on your sector):

• ISO 9001 (general quality management)
• ISO 13485 (medical devices supply chain)
• IATF 16949 (automotive)
• AS9100 (aerospace)
• ISO 14001 (environmental management)
• ISO 45001 (health and safety)

Certification isn’t everything, but it’s a credible shorthand for “we have documented processes and we follow them”.

What insurers want to see in practice

Even without formal certification, underwriters often look for:

• Documented work instructions and controlled procedures
• Incoming inspection and supplier verification
• In-process checks and final inspection/testing
• Non-conformance handling and corrective actions (CAPA)
• Calibration records for test equipment
• Traceability (batch/lot tracking, serialisation where appropriate)

If you can explain your QMS clearly and provide examples, you reduce uncertainty, which can improve terms.

4) Process risk: how you build, test, and ship

Insurers assess how your processes could create defects or losses.

Manufacturing methods and controls

They’ll ask about:

• Soldering processes (hand soldering vs reflow)
• Conformal coating, potting, encapsulation
• Cleanroom or ESD-controlled areas
• Handling of moisture-sensitive components
• Storage conditions and shelf-life controls

Strong controls include ESD policies, operator training, and documented acceptance criteria.

Testing and validation

Testing is often the difference between a contained defect and a costly claim.

Underwriters may ask:

• What functional tests do you run? (e.g., continuity, insulation resistance, burn-in)
• Do you do 100% testing or sample-based testing?
• How do you validate new products and process changes?
• Do you keep test results and link them to batches?

If you supply to regulated markets, evidence of validation and traceability matters.

Packaging and transit risk

Electrical components can be fragile or sensitive. Insurers look at:

• Packaging standards (ESD-safe packaging, moisture barriers)
• Courier selection and claims history
• Export packaging and shock/vibration protection

This influences Goods in Transit and can also affect product damage disputes.

5) Product liability: defects, recalls, and downstream losses

Product Liability is a major focus for electrical component manufacturers.

The main claim scenarios

Insurers think in scenarios such as:

• A batch of connectors fails early and causes equipment downtime
• A PCB assembly has a solder defect leading to overheating
• A cable harness is miswired and damages a customer’s system
• A component fails in a way that creates a fire risk

Even if you’re not “at fault” in a legal sense, you may still face costs: investigation, replacement, logistics, and reputation damage.

Recall exposure

Underwriters will ask:

• Do you have a written recall plan?
• How quickly can you identify affected batches?
• Do you have contracts that push recall costs onto you?

If your parts are used in high-volume products, recall severity can be significant.

Consequential loss and contract terms

Many manufacturers sign contracts that include broad liability clauses. Insurers will want to understand:

• Any hold harmless/indemnity obligations
• Penalties for late delivery or performance issues
• Whether you accept liability for consequential loss

This is where careful contract review can materially reduce risk.

6) Professional Indemnity (PI): design responsibility and advice

If you design components, produce drawings/specs, or advise customers on integration, PI becomes relevant.

Insurers often ask:

• Do you provide design services, prototyping, or consultancy?
• Who signs off final specifications?
• Do you work to customer drawings or your own?
• What is your process for design review and verification?

A clear boundary between “manufacture to spec” and “design responsibility” can affect PI pricing and claims handling.

7) Property and business interruption: fire, flood, and single points of failure

Manufacturing sites can suffer large property losses, and electrical manufacturing has some specific fire drivers.

Fire risk and hot work

Underwriters look at:

• Soldering stations and reflow ovens
• Battery storage (if applicable)
• Flammable chemicals (solvents, cleaning agents)
• Hot work controls and permits

They may ask about fire alarms, detection, compartmentation, and housekeeping.

Machinery breakdown and critical equipment

If one piece of kit fails, can you still operate?

• Identify critical machines (pick-and-place, AOI, test rigs)
• Maintenance schedules and service contracts
• Availability of spares and alternative suppliers

This affects Machinery Breakdown and Business Interruption exposure.

Flood and weather exposure

UK insurers increasingly consider flood risk and resilience:

• Site location and flood history
• Storage of stock and sensitive equipment
• Business continuity plans

8) People risk: competence, training, and supervision

Insurers know that quality and safety depend on people.

They may ask:

• Training records for operators and inspectors
• Supervision ratios and shift patterns
• Use of agency labour and onboarding controls
• Staff turnover in key roles

Strong training and competency sign-off reduces both defect risk and health and safety incidents.

9) Supply chain risk: single-source parts and counterfeit components

Electrical manufacturing is exposed to supply chain disruption and quality issues.

Underwriters look for:

• Approved supplier lists and supplier audits
• Controls to prevent counterfeit components
• Traceability to authorised distributors
• Plans for obsolescence and last-time buys

If you’re forced into grey-market sourcing during shortages, insurers may see higher defect risk unless controls are strong.

10) Cyber and data risk: production disruption and IP

Even manufacturers without “big IT” can be vulnerable.

Insurers may ask:

• Do you rely on ERP/MRP systems for production?
• Do you store customer drawings and IP?
• Do you have MFA, backups, and patching routines?

Cyber incidents can cause business interruption, data loss, and contractual disputes.

11) Claims history and near-miss culture

Past claims matter, but so does how you respond to issues.

Underwriters prefer businesses that:

• Investigate root causes
• Implement corrective actions
• Track trends in defects and returns
• Encourage reporting of near misses

If you’ve had issues, a strong improvement story can be better than “we’ve never had a problem” with no evidence.

12) How to present your risk well to insurers (practical checklist)

If you want better terms, aim to reduce uncertainty and show control.

• Prepare a one-page overview of your products, end markets, and top customers
• Summarise your QMS, testing, and traceability in plain English
• Document your change control process (supplier changes, process tweaks, design revisions)
• Keep calibration and maintenance records organised
• Review contracts for broad indemnities and consequential loss
• Build a recall plan and run a simple tabletop exercise
• Improve fire risk controls and housekeeping
• Strengthen cyber basics: MFA, backups, and access control

Conclusion: risk is manageable when it’s measurable

Insurers don’t expect perfection. They want evidence that you understand your risks, measure them, and manage them consistently. In electrical component manufacturing, the winning combination is strong quality control, clear documentation, robust testing, and disciplined change management.

If you can show that you can trace what you made, prove how you tested it, and explain how you prevent repeat issues, you’re already ahead of most of the market. And that typically translates into smoother renewals, broader cover, and more competitive pricing.

Call to action

If you manufacture electrical components in the UK and want a practical review of your insurance risks and cover options, speak to Insure24. We’ll help you map your exposures, tighten up your presentation to insurers, and arrange cover that fits how you actually operate.