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EICR Report Example: What a Professional Report Should Show
Maximum Zs Values 18th Edition Table PDF: A Practical UK Electrician Reference
Maximum Ze for TN-S: Is 0.80 Ω the Limit?
Paper vs Digital EICR Certificates: Which Workflow Is Better for Electricians?
PAT Testing Guide: What Electricians Need to Know in 2026
How to Choose an Electrician for an EICR: A Landlord's Guide
Electrician Apps 2026: The Best Apps for UK Electricians by Job
EICR Remedial Work: What Happens When Your Inspection Fails
Social Rented Sector EICR: New Electrical Safety Rules for Housing Associations and Councils
EICR for HMOs: Electrical Safety Requirements for Houses in Multiple Occupation
EICR Checklist: What Electricians Should Check Before Issuing a Certificate
Common EICR Failures: Top Defects Found During Electrical Inspections
Renters' Rights Act 2025: What Landlords Need to Know About Electrical Safety
Best Electrical Certificate Software (UK Buyer's Guide)
EICR Cost Guide UK 2026: How Much Does an EICR Certificate Cost?
Type AC RCD Symbol Explained: AC, A, F & B RCD Symbols Guide
EICR Qualification Changes October 2026
Maximum Permitted Zs 18th Edition: How the Number Is Decided and When It Applies
EICR Software: How UK Electricians Should Compare Options
Pricing Goes Live 22nd June And Why Beta Users Get Half Price for Life
Earth Loop Impedance Test Values: What to Compare and Why
Max Zs Values 18th Edition Table
EICR Codes Explained: C1, C2, C3 and FI in Plain English
BS 7671:2018+A4:2026 – What's New in Amendment 4? (Complete Guide)
EICR Codes Explained: What C1, C2, C3 & FI Mean for UK Electricians
How I Saved Our Firm £42k This Year (And Got My Evenings Back)
Free Tools for Electricians
All Free Tools Overview
2391-52 Mock Exam
Voltage Drop & Cable Size Calculator UK
BS 7671 Observation Builder
Maximum Demand Calculator
Maximum Zs Calculator
PFC Calculator
R1+R2 Calculator & Ring Continuity Test
Max Zs Calculator - By Device Type
BS EN 60898 Type B MCBs
3A
·
6A
·
10A
·
16A
·
20A
·
25A
·
32A
·
40A
·
50A
·
63A
·
80A
·
100A
·
125A
BS EN 60898 Type C MCBs
6A
·
10A
·
16A
·
20A
·
25A
·
32A
·
40A
·
50A
·
63A
·
80A
·
100A
·
125A
BS EN 60898 Type D MCBs
6A
·
10A
·
16A
·
20A
·
25A
·
32A
·
40A
·
50A
·
63A
·
80A
·
100A
·
125A
BS 3871 Type 1
5A
·
6A
·
10A
·
15A
·
16A
·
20A
·
25A
·
30A
·
32A
·
40A
·
45A
·
50A
·
63A
·
80A
·
100A
BS 3871 Type 2
5A
·
6A
·
10A
·
15A
·
16A
·
20A
·
25A
·
30A
·
32A
·
40A
·
45A
·
50A
·
63A
·
80A
·
100A
BS 3871 Type 3
5A
·
6A
·
10A
·
15A
·
16A
·
20A
·
25A
·
30A
·
32A
·
40A
·
45A
·
50A
·
63A
·
80A
·
100A
BS 88-2 gG Fuses (0.4s)
6A
·
10A
·
16A
·
20A
·
25A
·
32A
·
40A
·
50A
·
63A
BS 88-2 gG Fuses (5s)
6A
·
10A
·
16A
·
20A
·
25A
·
32A
·
40A
·
50A
·
63A
·
80A
·
100A
·
125A
BS 1362 (0.4s)
3A
·
13A
BS 1362 (5s)
3A
·
13A
BS 3036 (0.4s)
5A
·
15A
·
20A
·
30A
·
45A
·
60A
BS 3036 (5s)
5A
·
15A
·
20A
·
30A
·
45A
·
60A
·
100A
Resources
Max Zs Cheat Sheet 2026 (PDF Download)
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