Power Vac Male Plug 011-d

[Mahmod Ohner]

Thismust be evaluated on a case by case basis, as sometimes the spring loaded tabs will allow for a few 0.1mm's of play. However, 0.4mm is most likely too far and a the right jack\plug combination with less than 0.4mm between the barrel and outer diameter of the plug needs to be found.

Whenever I do product testing with jacks\plugs, I usually buy several options and make sure that customers (boss, product development team) are happy with the plug\jack combination before I build a prototype.

Size adapters are available; I recommend having some around for use when you have a device that doesn't come with a power adapter and an adapter with the right voltage. They do have the disadvantage of making the plug longer, hence more awkward and vulnerable to damage.

Other plugs have a tube with an opening wide enough for a 2.5mm center pin and an inner contact shaped something like a tuning fork, so that it can make contact with a 2.1mm center pin and still accommodate a 2.5mm pin. See, for example, the plugs on this cable:

Also, you can get a wide variety of adapters that convert a 5.5x2.1mm plug to other sizes of plugs (and even other kinds of plugs, like USB), so for short-term use I use a variable power supply with a 5.5x2.1mm plug and converters to power anything I need while I wait for a dedicated power supply with the right tip to show up. Finding adapters for any other size plug is considerably harder.

The term "plug" has been standardized for electronic connectors by widely recognized standard setting bodies such as IEEE, ASME, and several others, generally meaning the connector on the end of a cable. The thing the "plug" connects with, and more typically installed on a piece of equipment, rack, or wall, is referred to as a "jack" by IEEE and ASME (general electronics), a "socket" by USITT & TSDCA jointly for audio, and a "receptacle" by NEMA for mains power. (They all use "plug" for the other connector.) All of these standard setting bodies have entirely moved away from using "male" and "female" designations.

Nevertheless, genders have been used for a long time, and continue to be used in many places. In the simplest case of connectors, such as a headphone jack and plug, the thing that goes inside the other thing is considered male, and what the male goes inside is considered female, by analogy to mammalian genitalia.

Most DC barrel connector pair consists of a jack that has a center pin that goes inside a tube in the plug, and a plug has a tube that then goes inside a bigger tube in the jack. So both parts have things projecting that fit inside other things.

Some DC barrel connector pair (such as pictured below) have the center pin on the plug, plug has a center pin that goes inside a socket in the jack, which tube goes inside a larger tube in the plug, which tube goes inside a still larger one in the jack.

Historically, the general rule has been that what are now defined as "plugs" have been called "male", because in most cases they followed the analogy, while jacks/sockets/receptacles were called "female" for the same reason. This led to most people calling DC barrel plugs "male" and jacks "female" despite the center pin in the jack.

Some have noted that DC barrel connectors share the same general cylinder-within-tube configuration as RF connectors do, and have been using the same gender convention. With the original "standard polarity" RF coax connectors, it became convention that the "male" was the one with the solid pin, the smallest thing that goes inside a larger thing. Some want to follow that convention with DC barrel connectors. However, that remains confusing to the general public for a few reasons.

First, it is at odds with historical usage with respect to DC barrel connectors, so adopting that convention means that what used to be called male in now called female and vice versa, which makes both designations useless at best. Second, RF connectors come in "reverse polarity" configurations, where the part with the center pin is called "female" and the part without is called "male", so although RF connector gender is well established, it is not so easy to analogize to DC barrel connectors. Third, while most DC barrel plugs do not have center pins, some (such as the one pictured above) do, and when both plug and jack have things going inside other things, people seem to find it more natural to assign gender based on plug and jack (perhaps due to historical convention and inertia) than based on which has a center pin.

The controversy and confusion is perhaps best demonstrated by how the terms are used by major e-commerce sites. Both of the plugs shown at the top of this answer are advertised as "male", the first on Amazon.com, the second on AliExpress.us. Newark.com, a distributor, and Switchcraft, a manufacturer, list the connectors' genders as "plug" and "jack" rather than "male" and "female". Mouser.com, a distributor, uses "jack" and "plug" as filters, but continues to list jacks as female (another example) and plugs as male, even plugs from Swithcraft. As far as I have seen, only DigiKey.com, a distributor, calls the standard plugs "female" and the jacks "male" .

Given these problems, and the societal move away from using genders overall (as indicated by the above-mentioned standards defining "plug"), it is best to simply avoid using genders where possible. Nevertheless, it remains important to note that when using genders, you still need to double-check which "standard" people are using.

I just drilled one out with a 3/32 bit (no drill, just pliers). I also cut with some thin wire snippers, then could force it on pretty easily. Once on far enough it works (but harder to get off than normal). If you have a 2.5mm drill bit try that (or, better of course, get the right connector).

A sonically transparent 3.5mm to XLR adapter with phantom to plug-in power conversion designed to allow 3.5mm-equipped mics to be used with XLR-equipped mixers and recorders, making it a welcome tool for sound recordists and videographers.

The D-XLR enables you to convert your 3.5mm (non-locking) lavalier into an XLR microphone. This allows you to run a lav directly into an XLR mixer or USB sound card, making it even more versatile. The D-XLR also gives you a belt clip so you don't have to worry about the weight of the XLR tugging on your lavalier clip.

We originally developed the D-XLR for the V-Mic D3 Pro so you could take your on-camera microphone off your camera and put it on a boom pole. The D-XLR mount is designed to fit perfectly into the Rycote pistol grip shockmount. The yellow clip was added so you can secure it to your belt if necessary.

I am about to go to Sri Lanka for a dew weeks but am unsure about the type of power sockets. I know that they have type D, G and M sockets. I will be fine with the G sockets (I have an AU-UK adaptor for that).

The reason E and F plugs are unsafe with a type D socket is that the ground (earth) connection will not be made. If the manufacturer of an appliance has determined that a ground connection is necessary for a particular appliance, then it will be unsafe if used with a type D socket. This usually only applies to appliances with a metal outer case, where a loose connection inside the appliance could cause the outer case to become "hot". With a proper ground connection, the current would flow to the ground and not through the user (and would probably trip a circuit breaker too).

If you're just charging your smartphone, then you'll probably be fine with a C and a G adaptor (no ground connection is required for low-power chargers). (However, I've never been to Sri Lanka so I can't comment on the types of plugs you'll actually find.)

Sri Lanka was using Plug Type D and have recently converted to Type G.It is illegal to sell Type D plugged appliances in electrical shops, but some hotels and houses may still use Type D.Best advice is to visit an "Arpico" shop and buy two Muliti Sockets Type D and Type G-it will cost around Rs 200 each.enter image description here

AC power plugs and sockets connect devices to mains electricity to supply them with electrical power. A plug is the connector attached to an electrically-operated device, often via a cable. A socket (also known as a receptacle or outlet) is fixed in place, often on the internal walls of buildings, and is connected to an AC electrical circuit. Inserting ("plugging in") the plug into the socket allows the device to draw power from this circuit.

Plugs and wall-mounted sockets for portable appliances became available in the 1880s, to replace connections to light sockets. A proliferation of types were subsequently developed for both convenience and protection from electrical injury. Electrical plugs and sockets differ from one another in voltage and current rating, shape, size, and connector type. Different standard systems of plugs and sockets are used around the world, and many obsolete socket types are still found in older buildings.

Coordination of technical standards has allowed some types of plug to be used across large regions to facilitate the production and import of electrical appliances and for the convenience of travellers. Some multi-standard sockets allow use of several types of plug. Incompatible sockets and plugs may be used with the help of adaptors, though these may not always provide full safety and performance.

Single-phase sockets[clarification needed] have two current-carrying connections to the power supply circuit, and may also have a third pin for a safety connection to earth ground. The plug is a male connector, usually with protruding pins that match the openings and female contacts in a socket. Some plugs also have a female contact, used only for the earth ground connection. Typically no energy is supplied to any exposed pins or terminals on the socket. In addition to the recessed contacts of the energised socket, plug and socket systems often have other safety features to reduce the risk of electric shock or damage to equipment.

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