It is important to obtain the official IEC 61010-1 document to ensure accuracy.
Equipment must be properly marked with voltage, power, and safety symbols (e.g., grounding, caution) as defined in Clause 5. IEC 61010-1 Edition 3 vs. Edition 4 (Upcoming) iec 61010-1 standard pdf
Legitimate PDF copies can be purchased and downloaded directly from the IEC Webstore , the ANSI Webstore , or regional standards bodies (such as BSI, DIN, or NSAI). It is important to obtain the official IEC