How are Form X contacts described?

Form X contacts are described as being equivalent to two Form A contacts in series. This means that Form X contacts will behave similarly to how two separate Form A contacts would function when connected in series within a circuit. Each Form A contact is normally open, meaning it allows current to flow only when activated. By combining them in series to create a Form X contact, the overall configuration ensures that current will only flow through the circuit when both contacts are closed or activated.

The choice aligns with the general definitions of contact types within electrical schematics and standards, thus giving insight into both their functionality and application within circuit designs. This understanding assists in circuit analysis and may include considerations like added reliability, redundancy, or specific voltage drop factors influenced by the series configuration.