Spare Parts (Equipment / Apparatus) › ELECTRICITY KIT - THOMPSON’S RING TO FIT IRON CORE Image 1 of 1 ELECTRICITY KIT - THOMPSON’S RING TO FIT IRON CORE $3.63 Code: PA1763-270 Add To Cart Added! Code: PA1763-270 IEC Electricity Kit spare part - Thompson's ring (floats in AC magnetic field). You Might Also Like Quick View ELECTRICITY KIT WIRE - COPPER - ROLL 100M X 0.2MM $10.85 Quick View ELECTRICITY KIT – COILS - 300T FOR U/I CORE $68.90 Quick View ELECTRICITY KIT WIRE - FUSE - ROLL 50M X 0.05MM $13.30 Quick View BATTERY (CELL) HOLDER – SPARE FOR BKE (BEK) KIT $7.85 Quick View MOUNTED BUZZER - SPARE FOR BKE (BEK) KITS $9.75