Mercury switch definition

Mercury switch means a product or device, containing mercury added during its manufacture, that opens or closes an electrical circuit or gas valve, including, but not limited to, mercury float switches actuated by rising or falling liquid levels, mercury tilt switches actuated by a change in the switch position, mercury pressure switches actuated by a change in pressure, mercury temperature switches actuated by a change in temperature, and mercury flame sensors. [415 ILCS 5/3.284]
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Mercury switch means a mercury−added product or device that opens or closes an electrical circuit or gas valve. “Mer- cury switch” includes mercury float switches actuated by rising or falling liquid levels, mercury tilt switches actuated by a change in the switch position, mercury pressure switches actuated by a change in pressure, mercury temperature switches actuated by a change in temperature, and mercury flame sensors. “Mercury switch” does not include a mercury−added thermostat.
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Mercury switch means a mercury-containing capsule that is part of a convenience light switch assembly installed in a vehicle's hood or trunk.
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Examples of Mercury switch in a sentence

  • Microswitch ; Mercury switch ; male-female plug ; mechanical shutter ; other .

  • Laid off persons are eligible for reemployment in the class from which laid off for a thirty-nine month period and shall be reemployed in the reverse order of layoff.

  • Mercury switch" means a mercury-added product or device for measuring, controlling or regulating the flow of gas, other fluids or electricity.

  • The life cycle steps include the following:• Mercury switch manufacturing.• Automobile manufacturing.• Automobile collision, repair, and maintenance.• End-of-life vehicle recycling.U.S. auto manufacturers discontinued the use of mercury switches in convenience lights, ABS and ride control systems in new automobiles as of January 1, 2003.

  • Mercury switch manufacturing consists of filling a glass or ceramic tube with 0.5 to 3 grams of mercury and sealing the end with electrical contacts.


More Definitions of Mercury switch

Mercury switch means each mercury-containing capsule, commonly known as a "bullet", that is part of a convenience light switch assembly installed in a vehicle.
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Mercury switch means any light switch or an anti-lock braking
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Mercury switch means each capsule or assembly containing mercury that is part of a convenience light switch installed in a vehicle.
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Mercury switch means each mercury-containing capsule or mercury-containing switch assembly that is part of a convenience light switch assembly or part of an anti-lock braking system assembly installed in a vehicle.
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Mercury switch means a mercury-added product or device that opens or closes an electrical circuit or gas valve.
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Mercury switch means an electrical switch that employs mercury to make an electrical contact. “Mercury switch” includes, but is not limited to, the following mercury- containing switches: mercury-containing motor vehicle switches, tilt switches, vibration- sensing switches, off-balance switches, float switches, silent light switches, and relays.
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Mercury switch means each mercury-containing capsule or mercury-containing switch assembly that is part of a convenience light switch assembly or part of an antilock brake system assembly installed in a vehicle.
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