Selection guides, standard comparisons and specification checklists for insulating mats, gloves, voltage detectors and earthing systems — written for utilities, EPC contractors and distributors.
The first question most buyers ask about a portable earthing set — "what voltage is it?" — is the one the product standard does not answer. Under IEC 61230 the withstand capability is rated as current, time and peak factor, and voltage enters only through the insulating component and the geometry.
Read the guideTool control is an electrical safety measure, not a housekeeping preference. What position control adds over an inventory, why the audit trail is the part that gets audited, and how a cabinet is specified from the tool list.
Read the guideDC is not AC with a different label. Why the insulation system and the termination carry more risk than the conductor, what to specify on the cable itself, and when a pre-assembled harness beats loose cable.
Read the guideTwo clocks govern an insulating glove and they do not start together: a Class 1–4 glove is compliant for up to 12 months from the date of manufacture, and for 6 months from the date it is issued. This is what has to happen at storage, at issue, and at the six-month re-test — and why Class 00 and Class 0 are not simply exempt.
Read the guideEvery figure behind insulating glove selection in one place: the IEC 60903 Class 00–4 maximum use voltages and proof test levels, the colour convention, category letters, Type I versus Type II, and the storage and re-test rules once the gloves are in service.
Read the guideOne reference for every figure behind insulating mat selection: IEC 61111 Class 0-4 voltages and proof test levels, the thickness window for each class, the ASTM D178 ladder, colour codes and retest voltages.
Read the guideThickness does not set a mat's voltage rating — the class does. A guide to the IEC 61111 Class 0–4 table, the selection rule, and how to write a specification that survives an audit.
Read the guideFurther engineering guides are being written and reviewed against the current standard editions before publication — including the full insulating mat thickness–voltage reference table, insulating glove classes 00 to 4, high voltage detector types, and substation earthing procurement.
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