Insights & guides
Practical articles from the Rapidz team — procurement, products and projects.

Projects & procurement Guide
Wi-Fi vs Zigbee smart switches: a model-based buying checklist
SSW-001 uses direct 2.4 GHz Wi-Fi and needs neutral; SSW-001Z-B uses a Zigbee 3.0 gateway and needs no neutral. Compare the network, circuit and control requirements.

Procurement & BOQ Guide
Switch gangs, ways and socket ports explained
Gangs count controls, ways describe the switching arrangement, and ports count connections. Faceplate and back-box dimensions describe the physical fit.

Projects & procurement Guide
Wall, ceiling or inline exhaust fan: which type fits the requirement?
Wall fans extract at a wall opening, ceiling fans at a ceiling inlet, and inline fans within the duct. Understand the dimensions and calculate the room airflow requirement.

Projects & procurement Guide
Industrial wall fans vs pedestal fans: choosing for a project
Wall fans keep the floor clear; pedestal fans use a stand and base. Compare mounting, blade sweep, controls and access before choosing the project arrangement.

Product selection Guide
Choosing the right LED panel light: a quick guide
Lumens, colour temperature, UGR and drivers — the four numbers that matter when you specify LED panels for offices, shops and clinics.

Procurement & BOQ Guide
How to prepare a BOQ for fast, accurate pricing
A well-prepared bill of quantities can cut quotation time from days to hours. Here is what estimators look for, and the mistakes that slow your pricing down.
