Switchboard forms of separation: Form 1 to Form 4b explained
Understand switchboard forms of separation, the difference between Form 4a and 4b, and what to specify for access, terminals and maintenance.
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Practical guides for consultants, contractors and plant teams. Understand the choices, prepare a clearer brief and move your project forward.
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Guides for your next switchboard project.
Choose the question you are working through, from specifying ratings to preparing a quotation brief.
Switchboard fault ratings: PSCC, Icw, Ipk and Icc
Understand switchboard fault ratings, distinguish assembly withstand from breaker capacity, and gather the supply data needed for an NZ project.
Read the guideHow to choose a switchboard IP rating
Choose switchboard ingress protection for dust, rain and washdown while accounting for heat, condensation, corrosion and cable entries.
Read the guideHow to write a switchboard specification in New Zealand
A practical switchboard specification checklist covering ratings, circuits, enclosure, verification, drawings, interfaces and delivery requirements.
Read the guideWhat information is needed to quote a switchboard?
Prepare a useful switchboard enquiry with a single-line diagram, load schedule, supply data, site constraints and clear scope for pricing.
Read the guideSwitchboard lead times in NZ: planning your delivery
Understand the design, procurement, approval, manufacturing and testing stages that set a custom switchboard’s delivery programme in New Zealand.
Read the guideSwitchboard upgrades in NZ: retrofit or replacement?
Plan an NZ switchboard upgrade or replacement with verified site information, equipment condition, ratings, cable access and a practical shutdown scope.
Read the guideWhat is a main switchboard? MSB meaning explained
Learn what a main switchboard does, how its ratings and layout are established, and what to consider when specifying an MSB for an NZ site.
Read the guideWhat is a motor control centre?
An introduction to motor control centres: starters, protection, controls, drive arrangements and how an MCC supports an industrial process.
Read the guideMSB vs MCC: which does your project need?
Compare main switchboards and motor control centres by function, circuits, controls and project scope, and see when an installation needs both.
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Adding EV charging to an existing site: a planning checklist
Assess existing supply capacity, charging demand, load management, board condition and expansion options before adding workplace or fleet EV charging.
Read the guideWhat makes powder coating durable?
Learn how preparation, coating chemistry, film thickness, cure and exposure affect powder coating durability, and what to specify for your metalwork.
Read the guideData centre switchboards: a practical specification guide
Plan data centre switchboards around operating modes, redundancy, fault duty, maintainability, controls and agreed factory-testing evidence.
Read the guideSimotrol, Prisma or Logstrup: choosing a switchboard platform
Compare Simotrol, Schneider Prisma, Logstrup and custom switchboard arrangements using project duty, verification, footprint and maintenance needs.
Read the guideSwitchboard backup protection and cascading explained
How backup protection works, why approved breaker combinations matter, and how cascading differs from selectivity and assembly fault withstand.
Read the guideMSB vs MCC: which does your project need?
Compare main switchboards and motor control centres by function, circuits, controls and project scope, and see when an installation needs both.
Read the guideWhat is a motor control centre?
An introduction to motor control centres: starters, protection, controls, drive arrangements and how an MCC supports an industrial process.
Read the guideMCC specification checklist: motors, drives and controls
Prepare an MCC specification with a useful motor schedule, starting duties, drive arrangements, control interfaces, access and testing requirements.
Read the guideSwitchboard lead times in NZ: planning your delivery
Understand the design, procurement, approval, manufacturing and testing stages that set a custom switchboard’s delivery programme in New Zealand.
Read the guideSwitchboard upgrades in NZ: retrofit or replacement?
Plan an NZ switchboard upgrade or replacement with verified site information, equipment condition, ratings, cable access and a practical shutdown scope.
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