Caroline Haslett: The Feminist Engineer Behind the British Plug

Caroline Haslett: A Pioneer in Electrical Engineering

• 💡 Caroline Haslett was a feminist engineering icon who, in 1925, installed electricity in her own flat, a feat uncommon for women of her time.
• 🧠 She believed that electrical appliances could significantly reduce the burden of household chores for women.

The Electrical Association for Women

• 🎯 Haslett founded the Electrical Association for Women with the slogan "emancipation from drudgery."
• 🚀 She dedicated two decades to encouraging women to embrace the electrical revolution.

Redesigning Britain's Electrical System Post-WWII

• 🛠️ Following World War II, Caroline was appointed as the safety expert on a government committee tasked with redesigning Britain's electrical system.
• 📌 She was instrumental in advocating for a safer, universal plug.

The Genius of the British Plug (BS 1363)

• 🔌 Before the BS 1363, each electrical item required a separate fuse in the wall; the new design placed the fuse within the plug for localized protection.
• ⚡ The three-pin British plug, standardized in 1947, features a longer top earth pin that connects first, ensuring safety before the live and neutral pins.
• 🔒 The plug's design includes protective gates for the live and neutral sockets, which only open when the earth pin is inserted, preventing accidental contact.
• ✅ This innovative design was recognized in 1947 when Caroline was made a Dame for her contributions.