Technical Journals

HazLoc Lighting

The Ignition Triangle

Determining Classes

Who Decides?

Who has the Power?

Class-Division Designation


Fire vs Explosion

Class 1, Groups A B C D

Deep Dive DOB

Ignition Pentagon

Avoid the Boom!

Class II – Dusts

Ignition Chart Download

What Really Matters?

HazLoc Certifications

Trust but Verify

Combustible Dust Explosions

Madness of March

Hot Stuff!


Combustible Dust

Combustible Dust Group F

NFPA 33?

Rep Agencies

Metal Dust Group E


Extreme Testing – Cold

Myth Busting – Certs

International Certs

LED Lifetime Testing

Takin’ a “Walkabout”

Damn the Glare.

A Super Story

The Trunnion

Keep Cool


Rating Glare

IK Rating

Light Pollution

Ambient temperature?

Wind Rating

Bug-eye intro

BUG Measuring

Advanced LED Arrays

CRI completely explained

Kelvin introduced