What does W h mean on a breaker box?

What does W h mean on a breaker box?

Electrical Abbreviations

# Number
W Watt or Wire
WH Water Heater
WP Weatherproof or Waterproof
XFMR Transformer

What does Wp stand for in 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 does Ah stand for in electrical panel?

Ampere hours — sometimes abbreviated as Ah or amp hours — is the amount of energy charge in a battery that enables 1 ampere of current to flow for one hour. Another way of saying it is that 1 Ah is the rating indicating how much amperage a battery can provide for one hour.

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 does PMH stand for in electrical?

PMH Pad-Mounted Gear.

What does CR stand for in electrical?

1. CR. Controlled Rectifier. Rectifier, Silicon, Technology.

What does DS mean in electrical?

Distribution System (DS) means the network infrastructure operating at nominal voltages of 132 Kilovolt (kV) less.

What does LS mean in electrical wiring?

Ls means live supply so this is where you put 230v or 24v into the switching circuit on the device. Lr is the switch live return back to operate your system. These connections are electrically isolated from the main board to prevent back feed.

What does C mean on circuit breaker?

Type C circuit breakers are used for more powerful electrical devices where any surges are likely to be higher – typically commercial and industrial environments. They are designed to trip at currents between five and ten times their rated load. Good examples include smaller electric motors and fluorescent lighting.

What does BR mean on a circuit breaker?

You may have once wondered, “What does BR mean on a circuit breaker?” Well, it’s not really anything technical. It’s just named after Bryant, a company that once produced it. The BR breaker underwent numerous rebrandings in the past until ultimately ending up under the Eaton brand.

What is a switchgear in electrical?

Switchgear is a broad term that describes a wide variety of switching devices that all fulfill a common need: controlling, protecting, and isolating power systems. This definition can be extended to include devices to regulate and meter a power system, circuit breakers, and similar technology.

What does pm mean in medical terms?

post meridiem
List of medical abbreviations: P

Abbreviation Meaning
PM post meridiem (in the afternoon)
PMB post-menopausal bleeding (bleeding after menopause)
PMD primary medical doctor
PMDD premenstrual dysphoric disorder

What is CR1 in electrical?

The branch, and output of the rung are CR1, which is a master control relay. The PLC receives power on line 30 of the diagram.

What does SP mean in electrical?

SP and DP refer to single pole and double pole, ST and DT refer to single throw and double throw. Pole refers to the number of circuits controlled by the switch: SP switches control only one electrical circuit.

What does SW mean in electrical terms?

Short Wave

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.

What does LS stand for?

luxury sport
In a car engine, LS stands for luxury sport, meaning it is majorly used in high-end cars that offer great performance like the Chevrolet. In a Chevy, the LS engine is the main V8 mainly used in General Motors’ line of rear-wheel-drive cars.

What is FR and FRLS?

FR =Fire Retardant. FR =Fire Resistance. FRLS = Fire Resistant, Low Smoke. FRLSH= Fire Resistant, Low smoke, Low Halogen.

What does B16 mean on a circuit breaker?

The GE Circuit Breaker B16 is used to control and protect the electrical panel. It also controls and protects the other devices from overflowing of electrical power.

What is type BRAF breaker?

A: Your old yellow label BRAF were a first generation AFCI breaker that has been replaced with the newest generation Combination AFCI circuit breakers. The Combination type protects against both series and parallel arcing where the first generation only protected against parallel arcing.

Can you use a CL breaker in a BR panel?

Note that classified breakers by Brand X do not fit any Brand X panels. For instance Eaton CL is not Eaton BR. Do not put a CL breaker where a BR belongs.

What is RMU in electrical?

A ring main unit (RMU) is a factory assembled, metal enclosed set of switchgear used at the load connection points of a ring-type distribution network.

What is HT and LT switchgear?

HT/LT Panel is an electrical distribution board that receives power from generator or transformer and distributes the same to various electronic devices and distribution boards.

What does P stand for?

Acronym Definition
P Protection
P Poor
P Pressure
P Path

What does BM stand for medical?

Abbeviation for bowel movement.

What does CR mean in electrical?

A coil is commonly symbolized as a circle with letters and number inside. The letters often represent the type of device, such as M for motor starter or CR for control relay.

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