Volume IV · Issue 02 · Spring 2026

The Journal

Engineering notes, material studies, field reports and essays on the slow domestication of the kilowatt-hour. Published when we have something worth saying.

All
70 entries

Car Guides · 6 min

Tesla Model Y Charging Cable: Type 2 Guide for UK Owners

Model Y ships without a charging cable in the UK. Here's which Type 2 cable to buy, why the rear-left port location affects length, and the 11kW AC fact.

Jake Wardle · 21 July 2026

Car Guides · 6 min

Tesla Model 3 Charging Cable: Which Type 2 Cable Do You Actually Need?

Model 3 no longer ships with a cable in the UK. Here's exactly which Type 2 cable to buy, the right length, and why the 11kW onboard charger matters.

Jake Wardle · 20 July 2026

Cable Length · 6 min

Coiled vs Straight EV Charging Cable: Which Should You Choose?

Coiled cables look tidy but only extend to 2-3 m, not 5 m or 7 m. We compare both forms on reach, weight, durability and ground contact so you can choose cor...

Jake Wardle · 19 July 2026

Charging Speed & Specs · 6 min

EV Cable Copper & Gauge Explained: OFC, mm², and Why It Matters

OFC or CCA? 6mm² or 2.5mm²? TPU or PVC? We decode every spec inside your EV charging cable so you buy the right one, and avoid cheap substitutes.

Jake Wardle · 18 July 2026

Charging Speed & Specs · 6 min

How Fast Will My EV Charge? (The Honest Answer)

Charging speed comes down to one component most people never hear about. Here's what actually limits how fast your EV charges, and what doesn't.

Jake Wardle · 17 July 2026

Charging Speed & Specs · 6 min

EV Charging Cable Amps Explained: 10A, 16A and 32A, What the Numbers Actually Mean

The amp rating on your EV cable sets a current ceiling, but amps alone don't determine charge speed. We explain the formula, the table, and why your car's on...

Jake Wardle · 16 July 2026

Cable Length · 6 min

Long EV Charging Cables: 15m, 20m and 25m: What You Need to Know

Longer cables mean more voltage drop. We explain the maths, the right conductor size, and how to manage a 4-5 kg cable for on-street and flat use.

Jake Wardle · 15 July 2026

Cable Length · 6 min

Do I Need a 10m EV Charging Cable?

A 10m EV cable is heavier and pricier than 7m, but if your driveway measurement exceeds 6m, it's the right call. Here's how to decide.

Jake Wardle · 14 July 2026

Cable Length · 6 min

EV Cable Length Guide: How to Choose Between 5m, 7m, 10m and Longer

The right EV cable length depends on your wallbox position, your charge port side, and whether you use public charging. Here's how to measure and choose corr...

Jake Wardle · 13 July 2026

Charging Speed & Specs · 6 min

16A vs 32A EV Charging Cable: Which Ampere Rating Do You Need?

32A is the right choice for most UK home charging. But 16A has a genuine purpose: and if you're using a blue Commando socket, it's the only option.

Jake Wardle · 12 July 2026

Charging Speed & Specs · 6 min

Single Phase vs Three Phase EV Charging: What UK Homeowners Need to Know

Most UK homes are single-phase, capping home EV charging at 7.4kW. Here's what that means, how to check, and why your cable choice still matters.

Jake Wardle · 11 July 2026

Charging Speed & Specs · 6 min

7kW vs 22kW EV Charging Cable: Which Do You Actually Need?

A 22kW three-phase cable costs about £20 more than a 7kW single-phase cable, and it works on your home charger regardless. Here's why most UK buyers should c...

Jake Wardle · 10 July 2026