And for the open delta connection: V A = 3 V L I p h. Taking the ratio of open delta to closed delta power, gives: 3 V L I p h 3 V L I p h = 0.577 (or 57.7%) Summary. Open delta transformers are three phase devices, with only two windings on each of the primary and secondary sides. Hooking Up - Fun in the Airport Bathroom: Darla (Brittany Snow) and Bailey (Sam Richardson) get close in a bathroom stall.BUY THE MOVIE: https://www.fandango. Delta changed the game with its all-suites business class. Closing doors, up-to-the-minute tech and signature soft amenities all ensure a comfortable and memorable flight aboard the A330-900neos, A350s and 767s that sport suites. (Photo by Zach Honig/The Points Guy.).

While we all know some men are only interested in hooking up, it’s not always as clear which men those are!

Some guys are super upfront about what they want. Others either accidentally or purposefully send mixed messages. Regardless of how he goes about expressing it, some guys are just not ready for a relationship.

It could be that he’s not in the right stage of life for a commitment. Maybe he just doesn’t like you enough to jump into a relationship. We know this is easier said than done, but don’t take that personally! It happens to everyone.

MORE: How to Know if a Guy is Wasting Your Time

If you suspect your current crush isn’t feeling a relationship, pay attention to that doubt. Considering how easy it is to fall into the trap of self-deception, we have to be vigilant. Be honest with yourself before you end up wasting time on the wrong guy.

To help you avoid that exact scenario, here are the top twelve signs he only wants to hook up:

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1. He’s wishy-washy with you

Haven’t we all experienced the guy who’s hot and cold? One day everything’s going great. He texts you frequently, checks in on how your day is going and makes you feel like a priority. But the next day, all you get is a half-hearted text at 10pm. If a guy is all over the place, that’s a red flag.

When a guy is really into you, he’s dependable. He doesn’t wait until he’s run out of other things to do before replying to your text. You’ll have at least an approximate idea of how long it will take to hear from him again. Instead of acting unpredictably, he’ll be clear and consistent.

MORE: What to Do When You’re Not a Priority

If he’s only showing interest sporadically, it probably means he just enjoys hooking up.

2. He’s more into your looks than anything else

As flattering as it is when a guy compliments your appearance, pay close attention to what other kinds of admiration he offers you. Does he also commend your personality, work ethic, or accomplishments? On that topic, does he even ask about those other aspects of your life?

Since everyone appreciates being seen by another person, it’s easy to be distracted by the physical. As women, we typically work hard on our appearances and enjoy when a man recognizes that. Appearance-driven conversations and compliments can quickly lead to an imitation of real intimacy. Deep down, though, you know that kind of talk is just surface level.

So ask yourself: Does he really see me beyond just my physical appearance?

MORE: 5 Signs He’ll Never Commit

3. He doesn’t take you on actual dates

Have your last few “dates” consisted of a lot of Netflix and chill? If all your activities reside on a couch or a bed, take note. It’s not just a sign that he’s bad at planning dates, it means he’s not even pretending to put the effort in.

Driving over to your house, or simply asking you to come over, shows zero initiative. When a guy wants to impress you, he’ll come up with ideas of fun things to do together. Even men who are not terribly creative will ask their friends or the Internet for ideas.

Sure, sometimes a night-in can be romantic and entertaining. But if all you have are nights in, then it’s a sign that you’re in a hookup relationship rather than a real one.

MORE: 12 Biggest Signs He’s Never Going to Settle Down With You

4. He tells you he doesn’t want a relationship right now

Some of you are raising a skeptical eyebrow at this one. Although it seems obvious, it still needs to be said. For some reason, many women hear this statement and translate it into an entirely new one!

“I don’t want a relationship right now,” is not code for “I’m just waiting for the perfect woman to change my mind.” It also doesn’t mean that he’ll be ready next week or next month.

Instead of plotting how you’ll become the incredible woman that changes him, take his words at face value. Do you really want to have to convince a guy you’re worth a relationship? You deserve better than that, and he deserves to be taken at his word. When he tells you he doesn’t want a relationship, believe him.

5. He doesn’t try to get to know you

Next time you’re talking to him, observe the tone and direction of the conversation. What kinds of questions does he ask you? When you answer him, does he follow up to understand more clearly or just move on to another topic?

When you’re falling for someone, every detail about them is like discovering gold. You want to know when their birthday is, how they like their coffee, and what their relationship with their mother is like. Meanwhile, when you’re only here for a hookup, those more intimate details never really come up … and you don’t pay much attention when they do.

Another key factor to watch for here is when the conversation turns sexual. Does he constantly find every opportunity to bring it back to sex? There’s nothing wrong with a flirty chat, but a guy who’s serious about you will respect you enough to discuss the deeper topics, too.

MORE: 11 Signs the Guy You’re Dating is Toxic

6. He doesn’t introduce you to his people

Keeping you isolated from his normal circle of loved ones is a major red flag. Even if he’s only the type to visit family on special occasions, if a guy is serious about you he’ll make an effort to introduce you to them when he gets a chance. If he avoids this, there’s a reason.

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In addition to the family introductions, who are his friends? What people make up his social circle? A man who sees a future for the two of you will definitely want you to meet his people. Besides wanting to see how you all get along, he’ll probably want to ask his close friends what they think.

It’s pretty endearing how a guy wants to show off the woman in his life to his loved ones. When he purposefully keeps you away from his circle, that likely means he only sees a short and casual relationship.

7. He’s still active on dating apps

It’s not an absolute rule that a guy should delete his dating apps after only a couple of dates with someone. There’s definitely some wiggle room here. But if you’ve seen each other a handful of times and he’s expressing interest in continuing, it’s worth a conversation.

All of that aside, the point here is whether he’s still active on the apps. Some guys will take the deceptive route and tell you they deleted the apps even if they haven’t. Others will be upfront about the truth that they are still looking around.

Whether or not he’s honest about the apps, if he’s still swiping, he’s not serious about you. If he views you as a casual fling, he’ll have no qualms about entertaining other prospects.

MORE: Signs He’s Not Serious About You

8. He openly flirts with other women

Ouch, this one stings to witness. Whether he winks at your waitress, acts a little too friendly with one of your friends, or openly hits on someone, all of this behavior is a massive warning sign.

As painful as it is to watch your crush hit on another woman, try to see it as the gift that it is. If he’s comfortable flirting with her in front of you, he’s telling you (in no uncertain terms) he’s not committed. Now that you have that information, you can move on.

By the way, flirting online counts, too. Strangely, some guys claim leaving a coy comment on a woman’s Instagram picture is innocent. It’s not. If he’s directing amorous energy to another woman, online or not, he’s definitely not devoted to your relationship.

9. He doesn’t share his true self with you

Is everything you know about him readily available to the public on his social media? Does he withdraw when you press him for more insight?

One of the most exciting parts of a new relationship is the discovery process. Once you trust someone enough to reveal the insider info, you’ve taken a big step forward. Depending on the guy, this vulnerability can be difficult. If he opens up and shares things with you he doesn’t just give out to anyone, that shows sweet confidence in you.

On the other hand, if he’s tight-lipped about what makes him unique, he probably isn’t interested in anything long term. If he doesn’t want to share about how he became the person he is today, that’s strong evidence that he doesn’t want to dig deeper with you.

MORE:Why Won’t He Commit To You?

10. He’s only available when he wants to hook up

An easy way to assess a man’s interest is to note both when he reaches out and what his intention is each time. Do you only hear him from late at night? If so, that’s clear-cut behavior. When you’re only on his mind as he’s getting ready to hop into bed every day, that’s a giveaway.

When you invite him to spend time with you, does he always have an excuse ready? Maybe he says he’s slammed at work or has too much on his plate right now. Everyone has hectic days, but if he’s always “too busy,” it means he’s not prioritizing you.

11. He’s selfish

It’s natural for the effort between two people in a relationship to fluctuate. Sometimes one person needs the other more, and vice versa. In a genuine relationship, both people will take turns taking the supportive stance needed.

However, in a casual relationship without long-term goals, a man will likely be more selfish. Rather than do kind things for you, he’ll expect you to make a bigger effort. He’ll ask you to come to him and request things without giving back in return.

These are just hints of emotional immaturity. It doesn’t mean he’s a “bad” guy, it just shows that he isn’t in the right frame of mind to commit. He’s more preoccupied with his own needs than on what he can offer in a partnership.

MORE: Signs He Views You As Just a Hookup

12. You feel it in your gut

If you’ve got that quiet feeling in your stomach that won’t go away, listen to your intuition. That little tingle of doubt is there to guide you. When you’re really into a guy, this can be tricky. You want to believe that the signs aren’t there and that your hesitation is unwarranted. By ignoring that feeling, you set yourself up for heartache.

When a man sees you as relationship material, he’ll make sure you know it. He’ll be attentive, reliable, and engaging. You won’t be left staring at your phone, wondering if he will contact you. When you hang out, you won’t be on guard trying to figure out if he’s only interested in making physical moves.

Again, there’s nothing wrong with a man who doesn’t want a relationship. But you deserve to know if that’s the situation. If you’re crushing on a guy and can’t figure out his intentions, run through these signs with an objective perspective. Once you analyze all these factors honestly, you’ll have your answer. As always, if you’re still in doubt, go with your gut!

I hope this article clarified what your guy wants. It’s possible you have fallen into a hook-up only relationship but that isn’t a prison sentence, you can easily get out of that and into a real relationship. Do you know what makes a man see you as “the one” and what inspires him to commit? If not, read this next:The #1 Things Men Desire in a Woman

Take The Quiz: Does He Like You?

Telltale Signs He Only Wants to Hook Up:

1. He’s wishy-washy with you
2. He’s more into your looks than anything else
3. He doesn’t take you on actual dates
4. He tells you he doesn’t want a relationship right now
5. He doesn’t try to get to know you
6. Doesn’t introduce you to his people
7. He’s still active on dating apps
8. Openly flirts with other women
9. He doesn’t share his true self with you
10. He’s only available when he wants to hook up
11. He’s selfish
12. You feel it in your gut

High-leg delta (also known as wild-leg, stinger leg, bastard leg, high-leg, orange-leg, red-leg, dog-leg delta) is a type of electrical service connection for three-phase electric power installations. It is used when both single and three-phase power is desired to be supplied from a three phase transformer (or transformer bank). The three-phase power is connected in the delta configuration, and the center point of one phase is grounded. This creates both a split-phase single phase supply (L1 or L2 to neutral on diagram at right) and three-phase (L1-L2-L3 at right). It is called 'orange leg' because the wire is color-coded orange.^[1] By convention, the high leg is usually set in the center (B phase) lug in the involved panel, regardless of the L1-L2-L3 designation at the transformer.

Supply[edit]

High-leg delta service is supplied in one of two ways. One is by a 3-phase transformer (or three single-phase transformers), having four wires coming out of the secondary, the three phases, plus a neutral connected as a center-tap on one of the windings. Another method (the open delta configuration) requires two transformers. One transformer is connected to one phase of the overhead primary distribution circuit to provide the 'lighting' side of the circuit (this will be the larger of the two transformers), and a second transformer is connected to another phase on the circuit and its secondary is connected to one side of the 'lighting' transformer secondary, and the other side of this transformer is brought out as the 'high leg'. The voltages between the three phases are the same in magnitude, however the voltage magnitudes between a particular phase and the neutral vary. The phase-to-neutral voltage of two of the phases will be half of the phase-to-phase voltage. The remaining phase-to-neutral voltage will be √3/2 the phase-to-phase voltage. So if A-B, B-C and C-A are all 240 volts, then A-N and C-N will both be 120 volts, but B-N will be 208 volts.

Other types of three-phase supplies are wye connections, ungrounded delta connections, or corner-grounded delta^[2] ('ghost' leg configuration) connections. These connections do not supply split single-phase power, and do not have a high leg.

Explanation[edit]

Consider the low-voltage side of a 120/240 V high leg delta connected transformer, where the 'b' phase is the 'high' leg. The line-to-line voltage magnitudes are all the same:

${\displaystyle V_{ab}=V_{bc}=V_{ca}=240\text{V}.}$

Because the winding between the 'a' and 'c' phases is center-tapped, the line-to-neutral voltages for these phases are as follows:

${\displaystyle V_{an}=V_{cn}=\frac{V_{ac}}{2}=120\text{V}.}$

But the phase-neutral voltage for the 'b' phase is different:

${\displaystyle V_{bn}=\sqrt{{V_{ab}}^2-{V_{an}}^2}\approx 208\text{V}.}$

This can be proven by writing a KVL equation, using angle notation, starting from the grounded neutral:

or:

${\displaystyle 0+120\sin (0^{\circ })+240\sin ({120}^{\circ })=0+0+240\frac{\sqrt{3}}{2}\approx \mathrm{207.8.}}$

Advantages[edit]

If the 'high leg' is not used, the system acts like a split single-phase system, which is a common supply configuration in the USA.

Both three-phase and single split-phase power can be supplied from a single transformer bank.

Where the three-phase load is small relative to the total load, two individual transformers may be used instead of the three for a 'full delta' or a three-phase transformer, thus providing a variety of voltages at reduced cost. This is called 'open-delta high-leg', and has a reduced capacity relative to a full delta.^[3][4][5]

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Disadvantages[edit]

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In cases where the single-phase load is much greater than the three-phase load, load balancing will be poor. Generally, these cases are identified by three transformers supplying the service, two of which are sized significantly smaller than the third, and the third larger transformer will be center tap grounded.

One of the phase-to-neutral voltage (usually phase 'B') is higher than the other two. The hazard of this is that if single phase loads are connected to the high leg (with the connecting person unaware that that leg is higher voltage), excess voltage is supplied to that load. This can easily cause failure of the load.

Commonly there is a high-leg to neutral load limit when only two transformers are used.^[6] One transformer manufacturer's page suggests that High-leg to neutral loading to not exceed 5% of transformer capacity.^[7]

Applications[edit]

It is often found in older and rural installations. This type of service is usually supplied using 240 V line-to-line and 120 V line-to-neutral. In some ways, the high leg delta service provides the best of both worlds: a line-to-line voltage that is higher than the usual 208 V that most three-phase services have, and a line-to-neutral voltage (on two of the phases) sufficient for connecting appliances and lighting. Thus, large pieces of equipment will draw less current than with 208 V, requiring smaller wire and breaker sizes. Lights and appliances requiring 120 V can be connected to phases 'A' and 'C' without requiring an additional step-down transformer.

Even when unmarked, it is generally easy to identify this type of system, because the 'B' phase (circuits #3 and #4) and every third circuit afterwards will be either a three-pole breaker or a blank.

Current practice is to give separate services for single-phase and three-phase loads, e.g., 120 V split-phase (lighting etc.) and 240 V to 600 V three-phase (for large motors). However, many jurisdictions forbid more than one class for a premises' service, and the choice may come down to 120/240 split-phase, 208 single-phase or three-phase (delta), 120/208 three-phase (wye), or 277/480 three-phase (wye) (or 347/600 three-phase (wye) in Canada).

See also[edit]

References[edit]

1. ^National Electrical Code (NEC), ANSI/NFPA 70, 2017 edition, Section 110.15
2. ^'Corner-Grounded Delta (Grounded B Phase) Systems'(PDF). Schneider Electric. Retrieved 2012-07-30.
3. ^'Transformer Basics Chapter 3'. Federalpacific.com. Archived from the original on 2012-05-30. Retrieved 2012-07-30.
4. ^Nick Fowler (2005-01-01). Electrician's Calculations Manual. ISBN978-0-07-143654-0. Retrieved 2012-07-30.
5. ^Traister, John E; Maher, Bradford (1999). Illustrated Guide to the 1999 National Electrical Code. ISBN978-1-57218-075-8. Retrieved 2012-07-30.
6. ^Fowler, Nick (2011). Electrician's Calculations Manual 2nd Edition. McGraw-Hill. pp. 3–5. ISBN978-0-07-177017-0.
7. ^Federal pacificArchived 2012-05-30 at the Wayback Machine

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• NFPA 70: National Electrical Code, 2005 Ed.
• NFPA 70: National Electrical Code, 2015 Ed.