Buyer guides
Practical answers to common questions about choosing and ordering electrical materials.
Nomex paper vs Kapton film: which insulation should you use?
How Nomex aramid paper and Kapton polyimide film differ, where each is used, and what to tell your supplier.
Read guideElectrical insulation classes A, E, B, F and H explained
What insulation thermal classes mean, their temperature limits, and common materials used in each class.
Read guideChoosing fibre glass sleeving for motor and transformer leads
How to select fibre glass sleeving by size, coating and temperature, and what details to give when ordering.
Read guideKanthal, nichrome or constantan: choosing resistance and heating wire
Differences between FeCrAl (Kanthal), nickel-chrome and copper-nickel wires, with example data and ordering tips.
Read guideMCB or fuse? Choosing circuit protection
Basic differences between miniature circuit breakers and fuses, MCB trip curves, and what to specify when ordering.
Read guideHow to get a quotation from Super Electrical
What information to include in your enquiry so we can quote accurately and quickly.
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