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What is potntial and potential free contact?
Potential free contacts (also called "dry contacts") are simply contacts which are physically operated with the main device, but not electrically connected to it. For example a motor contactor often has auxiliary contacts that are operated by the main coil and open and close at the same time as the main contacts but are not used for control of the motor starter. If they are connected to an outside circuit to indicate the status of the starter without being powered by the motor supply they would be considered potential free contacts. These type also called Signal-Contacts. In case of relays and switches if the common/pole is connected internally to a given potential like a 110V phase etc., the contact is not POTENTIAL FREE but if both the common and the normall open (and at time also the normally closed) contacts are presented to the user for connecting in his system as he pleases,the contact is said to be "potential-free".
What is the purpose of the holding circuit in a magnetic motor starter?
It hold the main contacts closed until the control circuit through the interlock is broken.
What type of material is used as contact material in switches?
Copper is used as a substrate of the contact meterial; on the grounds of cost; but the actual contacts themselves may be made of silver. Silver does not corrode a badly as copper, and a well designed switch will have a 'wiping' action in its operation, for this prolongs the life of the contacts. In corrosive atmospheres, such as Rotorua, New Zealand, there is a quantity of H2S in the atmosphere, and platinum contacts are often used.
What happens if you energize power to wire on n.c. contacts?
If the relay contacts are in series with a connected load, then the load will energize.
What is the Function of NO and NC contacts?
Normally open and normally closed contacts are used in controls circuitry. They serve many functions.
Were is the platinum in a circuit breaker?
There isn't, the contacts in a circuit breaker are plated with silver.
Is sheridan silver plated or sterling?
Sheridan silver is copper plated with silver.
Is a silver pitcher labeled montclair oneida community limited silver or silver plated?
Mine is Silver Plated.
Is all Sheridan silver silver plated?
Not all Sheridan silver is silver-plated; it is a brand known for both silver-plated and sterling silver items. Sheridan silver-plated pieces are typically made of a base metal coated with a thin layer of silver, while sterling silver items contain 92.5% pure silver. To determine if a specific piece is silver-plated or sterling, check for markings or stamps that indicate its composition.
Are silver plated cables any good?
Yes silver plated cables are actually recommended more over the gold plated ones. A lot of people say that the gold plated ones are a waste of money since you can get the same result or better from the silver plated.
Does silver plated have any value?
First of all, theres no such thing as "silver plated sterling". Sterling is 92.5% silver, anything plated is just plated. If the item is solid sterling silver, its metal value depends on the current price of silver - but it may be worth more as a collectible. If it's plated base metal it has very little value.
Is a tray labeled Henley ocl oneida community ltd silver plated?
Silver plated.
Is silver plated jewelry graded?
No, silver plated jewelry is not graded in the same way that precious metals like silver or gold are. The term "silver plated" indicates that a base metal (such as brass or copper) has been coated with a layer of silver. The value and quality of silver plated jewelry will depend on factors like the thickness of the silver layer and the overall craftsmanship.
What does SPNS mean?
Silver plated nickel silver
What is the value of FB Rogers Co silver tray?
its silver plated...unless it says sterling on it. this company was known for making silver plated sets.
How can you tell the difference between silver plated flutes and nickel plated flutes?
By the color, obviously. NIckel plated flutes are slightly golden and well, silver plated, they have silver color.
Can you connect a silver plated cable to a gold plated cable?
yes u can
