| 摘要 |
A protection device (32) which includes an insulating tube (33) closed at each end by a fuse cap (34). Electrically connected to one cap (34) is a contact plug (36), and to the other cap (34) a spring (38) and a contact plunger (37). Sandwiched between the plug (36) and the plunger (37) is a combustible separator (39) configured to disintegrate when the potential difference between the plug (38) and the plunger (37) exceeds a predetermined amount. This disintegration permits the spring (38) to bias the plug (36) and the plunger (37) into electrical connection thus eliminating the potential difference. Preferably the device (32) is used to protect neon lighting systems from open circuits.
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