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See key pin. Break A break in the pins is a separation in one or more sections of the pin used to encode the lock for a specific key or set of keys in a master keying system. Driver pin In a pin tumbler lock, the driver pin is in contact with the spring and interferes with the rotation of the plug when no key is inserted. When the pins are ...
Breaker arm with contact points at the left. The pivot is on the right and the cam follower is in the middle of the breaker arm. A contact breaker (or "points") is a type of electrical switch, found in the ignition systems of spark-ignition internal combustion engines. The switch is automatically operated by a cam driven by the engine.
The test is conducted at / the rated frequency as recommended by IEEE, because the rotor's effective resistance at low frequency may differ at high frequency. [7] [8] The test can be repeated for different values of voltage to ensure the values obtained are consistent. As the current through the stator may exceed the rated current, the test ...
It's not just car keys that have twins. Your house key is also not unique. In fact many of the locks you buy in hardware stores have identical keys. In fact, often a store will keep several locks ...
Once the key is turned, the operator may retrieve the remaining keys that will be used to open other doors. Once all keys are returned, then the operator will be allowed to take out the original key from the beginning. The key will not turn unless the remaining keys are put back in place. Trapped key interlock transfer block.
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A key exchange block may only hold and release keys and may not have a bolt to interlock process equipment, or may be part of the interlock of a particular machine or device. This is a transfer block, part of a trapped-key interlock system. It does not have a bolt to stop operation of a device, but holds and releases other keys.
Bad contacts are the cause of failure or poor performance in a wide variety of electrical devices. For example, corroded jumper cable clamps can frustrate attempts to start a vehicle that has a low battery. Dirty or corroded contacts on a fuse or its holder can give the false impression