Enclosures, Wiring & Cable

Enclosure ratings, panel thermal management, shielding, grounding and flex cable.

Conduit Fill: How to Size Conduit for Wires

Conduit fill limits are 53% for one wire, 31% for two and 40% for three or more. How to calculate fill, why the limits exist and what fails inspection.

October 19, 2026

What Is IP69K? The High-Pressure Washdown Rating

IP69K means a product survives close-range, high-pressure, hot spray. What the test involves, how it differs from IP66 and IP67, and what else needs it.

October 9, 2026

Wiring Duct: Selection, Fill and Routing in Panels

Panel wiring duct holds and protects control wiring. Slotted vs solid, finger width, sizing by wire count, covers, and power and signal separation.

October 9, 2026

Industrial Cable Types Explained

Control, power, instrumentation, VFD, tray, flexible and thermocouple cable: what each is built for, and how to read jackets, ratings and gauge.

October 7, 2026

What Is an Electrical Enclosure? Types and Ratings

An electrical enclosure is a protective housing for controls and wiring. The main types, materials and NEMA and IP ratings, and how to choose one.

October 5, 2026

Cable Routing and Wire Management Basics

Good cable routing keeps panels serviceable and signals clean. How wiring duct, sleeving, ties and separation rules work in control panels and on machines.

October 1, 2026

How to Choose an Industrial Enclosure

Choosing an enclosure means matching the environment, rating, material and internal space. A practical guide to NEMA and IP ratings, materials and sizing.

October 1, 2026

What Is a Subpanel? Control Panel Layout and Sizing

A subpanel, or mounting plate, is the removable back panel inside an enclosure where components are mounted. How to choose the material, size and layout.

October 1, 2026

What Is a DIN Rail? Sizes, Types and What Mounts on It

A DIN rail is the standard metal mounting rail inside control panels. The common rail profiles, what mounts on it, and the points that matter for cutting.

October 1, 2026

Enclosure Cooling: Sizing a Filter Fan, Heat Exchanger or Air Conditioner

How to work out whether a control panel needs cooling: heat load, wall dissipation, airflow for a filter fan, and when to move to an air conditioner.

September 19, 2026

DIN Rail Types and Control Panel Layout

A technical guide to DIN‑rail profiles, power‑signal segregation, thermal placement, wiring organization, and grounding for reliable control panels.

August 11, 2026

M8 and M12 Circular Connectors: Codings and Pinouts

A detailed guide to M8 and M12 circular connector codings, pin counts, shielding, torque and wiring conventions for sensors and industrial Ethernet.

August 11, 2026

Heavy-Duty Rectangular Connectors: A Reference

A detailed guide to the anatomy, ratings, derating, keying and maintenance of modular heavy‑duty rectangular connectors used in machine interconnection.

August 11, 2026

Cable Tray, Conduit and Routing Systems

A practical guide to selecting and installing ladder trays, wire baskets, rigid conduit and related fittings, covering fill limits, derating, bend radii and EMC.

August 11, 2026

NEMA vs IP Enclosure Ratings: Not a Clean Conversion

NEMA and IP ratings differ in test scope; understand how to map them, choose materials, and preserve protection in real industrial enclosures.

August 10, 2026

Keeping Control Panels Cool

Heat kills panel electronics. Learn to calculate internal heat load, enclosure dissipation, and select the right cooling method from natural convection.

August 10, 2026

Grounding Shielded Cable: One End or Two?

Resolve the shield grounding debate by looking at frequency: low-frequency analogue needs one end, high-frequency VFD and digital noise needs 360-degree bonding.

August 10, 2026

Choosing Cable for Continuous-Flex Applications

Standard stranded cable fails rapidly inside cable carriers. Continuous-flex cable uses fine stranding, specific lay lengths, and tough jackets to survive.

August 10, 2026

Cable Glands and Strain Relief: The Cheap Part That Fails the Panel

A panel's IP rating dies at its cable entries. Matching gland threads, clamping ranges, and EMC shielding to your actual cable OD is what keeps water out.

August 10, 2026

Understanding IP Ratings for Industrial Sensors, Enclosures, and Motors

A practical guide to reading IEC 60529 IP codes, comparing IP65, IP67, and IP69K, and avoiding common seal failures in industrial environments.

August 1, 2026