WP. Weatherproof or Waterproof. XFMR. Transformer. Article Updated: February 15, 2021.
What does Wp stand for electrical?
The watt-peak (Wp) is therefore an indication based on a standard. It corresponds to the maximum electrical power that can be supplied by a photovoltaic panel under standard temperature and sunlight conditions. 1 kWp = 1,000 Wp.
What is P circuit breaker?
on the miniature circuit breaker? In fact, P stands for pole, which can be easily understood as the number of phases of the power supply line. The more the number of poles, the larger the space occupied. Under normal circumstances, the width of 1P circuit breaker is 18mm, then 2P is 2*18=36mm.
What do the letters mean on a circuit breaker?
The first letter stands for the frame type of the breaker. If it’s F, it has a rating capacity of 15 to 100 amps. Other frame types include M (300-1000 Amp), L (125-400 Amp), and K (70-250 Amp). The second letter stands for its interruption rating, or how many amperes it can take before it trips.
What is w h’on electrical panel?
What is a WH or “water heater” breaker? Schneider Electric USA. Welcome to our website.
What is a special purpose outlet?
These kinds of outlets are specially used in areas where the chance of electrical shock is more such as kitchen, bathroom, garage, etc. These are smart outlets and can be easily identified by the presence of ‘test’ and ‘reset’ buttons present on the outlet periphery.
What is 3P and 4p?
3P is three open, for control of three phase electricity, three incoming line end and three fire lines, generally three – phase electric bus switch and three-phase electrical equipment application. 4p is the addition of a terminal on the basis of the three opening, which is the N representation of the zero terminal.
What does 2P E mean?
Single phase sockets are classified as two pole (2P) and provide a single line contact and a neutral contact. In addition, a protective earth (Ground in American terminology) contact is usually, but not always, present, in which case the socket is classified as two pole and earth(2P+E).
What does 1P and 2P mean?
1P and 2P are also called level 1 and level 2. Each level corresponds to two upper and lower terminals, and the width of each level is 17.5 mm (for example, 2P circuit breaker) The width of the device is 17.5*2=35mm).
Does Issue number matter on circuit breaker?
Circuit breakers are marked according to UL with mandatory markings. The numbers you refer to are “issue” numbers which are allowed but not required by the UL (underwriters laboratories). Issue number is a manufacture number similar to catalogue or lot number. 2 of 10 found this helpful.
What does Ah mean in a breaker box?
An ampere hour (abbreviated Ah, or sometimes amp hour) is the amount of energy charge in a battery that will allow one ampere of current to flow for one hour. An ampere is a unit of measure of the rate of electron flow or current in an electrical conductor.
What does SW mean in electrical wiring?
SW – Short Wave or Shortwave, as in the case with shortwave bands and shortwave radio. V – Voltage/Volt, a unit of electromotive force. VA – Volt-Ampere, a unit of electrical power.
How do I know how many amps my breaker is?
A panel’s total amperage is printed near or on the main circuit breaker, which controls all the circuits in the panel. Most breaker boxes are 100, 150, or 200 amps. Add the amperages of all the individual breakers in the box. The total might be more than twice the total amperage of the box.
What is the difference between an outlet and a receptacle?
An outlet is defined as “A point on the wiring system at which current is taken to supply utilization equipment”. A receptacle however has always been something that an attachment plug is connected to. With the introduction of new products comes the need to revise certain code definitions.
What are the different types of power outlets?
9 Types of Electrical Outlets You Can Have in the Home
- 15A, 120 Volt Outlets. These are the most common in older homes and come in two versions:
- 20A, 125 Volt Outlets.
- 20A, 250 Volt Outlets.
- Tamper-Resistant Receptacles.
- GFCI Outlets.
- AFCI Outlets.
- Switched Outlets.
- USB Outlets.
What is a special receptacle?
A special type of receptacle called a GFCI (or GFI), short for ground-fault circuit interrupter, is required in kitchens, bathrooms, and other exposed, damp areas of a home to protect from the serious shock that can occur where electricity and water meet.
What is SPN and TPN in electrical?
SPN – Single Pole and Neutral. DP – Double pole. TP – Triple Pole. TPN – Triple Pole and Neutral.
What is 1P 2P and 3P?
However, a lot of beginning sellers aren’t aware that there are a few different categories of sellers. There are 1st, 2nd, and 3rd party sellers (1P, 2P, 3P) that sell on Amazon.
What is 2 pole plug 2P and when we use it?
What does 2-pole mean? 2-pole means that the device plug is not earthed and it normally has two pins that transmit electricity. Originally, all electrical devices were fitted with 2-pole plugs, which means that the devices were not earthed and that all mains sockets were constructed for 2-pole plugs.
Does a two pin plug have an earth wire?
There is no earth wire in a two-pin plug. If the wires are colored, the white one is supposed to be the neutral and the black one is supposed to be hot.
What is 3P in circuit breaker?
3P is three-open, in order to control three-phase electricity, there are three incoming (outgoing) wire ends and three live wires, which are generally three-phase electric bus switches and three-phase electric equipment applications.
