As shown in the illustrated devices and...

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Question 1 of 205eccefa4bacbc34ba4d482ae

As shown in the illustrated devices and symbols, which of the devices represents an open general purpose relay? See illustration EL-0005.

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Question 1 of 20

5eccefa4bacbc34ba4d482ae

As shown in the illustrated devices and symbols, which of the devices represents an open general purpose relay? See illustration EL-0005.

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🔍 Key Concepts

• General purpose relay vs contactor vs timer relay – what each is typically used for and how they look • Difference between an open-frame device and an enclosed device • Typical physical features of a plug-in/general-purpose relay: clear case, multiple small blade or pin terminals

💭 Think About

• Look at how many and what type of terminals each device has. Which one looks like it would plug into a relay socket rather than be bolted into a power circuit? • Which device looks like it is meant for timing or delay functions rather than just simple on/off control? Eliminate that one first. • Between the remaining devices, which one appears to have an open frame with visible contacts and no surrounding enclosure?

✅ Before You Answer

• Be sure you can distinguish a motor starter/contactors (larger screw lugs, heavier contacts) from a small control relay (lighter contacts, many small terminals). • Confirm which device is clearly a timer (dial marked in seconds) and eliminate it from consideration. • Focus on the device that is a basic on/off control relay, not a timing relay or heavy-duty power contactor; this is your best candidate for an open general purpose relay.

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Question 1 of 205eccefa4bacbc34ba4d482ae

As shown in the illustrated devices and symbols, which of the devices represents an open general purpose relay? See illustration EL-0005.

Back

Question 1 of 20

5eccefa4bacbc34ba4d482ae

As shown in the illustrated devices and symbols, which of the devices represents an open general purpose relay? See illustration EL-0005.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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