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 Ask me about your control systems, buss duct, and electrical power distribution. Ask about aluminum wiring, an electrical service expansion, generator power, electric baseboard heaters, Hydronic heating systems, fan forced, wall heater, kickspace heater, exhaust fans and air cooling fans. Transformers, parking lot and area lighting and large frame circuit breakers. I've been a licensed electrician since 1978 and have seen the changes in electrical methods, the old-school electrical ways and the new technologies of today. I have the experience to help you.

PECO is unleashing multiple programs to try to prepare their customers for increases in their electric rates in 2011.  The PA Public Utilities Commission announced that Pennsylvania utility companies will be increasing the rates for electricity delivery service in 2011.  In addition, price caps will be expiring in 2011 in the PECO area - as well as Met-Ed, Penn Electric, and West Penn – which are expected to increase default generation rates by as much as 20%.

PECO wants to help customers deal with the increases, so they have several programs including the PECO Smart Home E-Audit, Smart Lighting Discounts, Smart Home Rebates, and Smart Appliance Recycling.  They are pretty smart programs. But the smartest way customers will be able to reduce their electricity bill is by looking for an alternative supplier that will offer a lower rate against the PECO price. 

PECO is going to continue to deliver power to those customers who they are currently delivering to and they'll continue to send invoices out.  The decision to choose an alternative electric company will be a simple choice to pay less.  There will be more information and rates for alternative providers as we get closer to 2011.See - Electrical Contractor  Havertown PA

Approximate Full Load Amperes Three Phase AC Motors


 		 MOTOR R. P. M.
Horse Power VOLTS 3800 1800 1200 900
1/2 230
 		 1.72 2.15 2.38
460
 		 .86 1.08 1.19
3/4 230
 		 2.46 2.93 3.26
460
 		 1.23 1.46 1.63
1 230 2.80 3.56 3.76 4.30
460 1.40 1.78 1.88 2.15
1 1/2 230 4.36 4.86 5.28 5.60
460 2.18 2.43 2.64 2.80
2 230 5.60 6.40 6.84 7.90
460 2.80 3.20 3.42 3.95
3 230 8.34 9.40 .20 11.40
460 4.17 4.70 5.12 5.70
5 230 13.50 14.40 15.80 15.90
460 6.76 7.21 7.91 7.92
7 1/2 230 19.50 21.50 21.80 23.00
460 9.79 10.70 10.90 11.50
10 230 25.40 26.80 28.00 30.50
460 12.70 13.40 24.00 15.20
15 230 36.40 39.20 41.40 44.50
460 18.20 19.60 20.70 22.20
20 230 50.40 51.20 52.80 54.90
460 25.20 25.60 26.40 27.40
25 230 60.80 64.80 65.60 67.30
460 30.40 32.40 32.80 33.70
30 230 73.70 75.60 78.80 81.80
460 36.80 37.80 39.40 40.90
40 230 96.40 101.00 102.00 105.00
460 48.20 50.50 50.60 52.50
50 230 120.00 124.00 126.00 130.00
460 60.00 62.00 63.00 65.00
60 230 143.00 149.00 150.00 154.00
460 71.50 74.50 75.00 77.00
75 230 179.00 183.00 184.00 193.00
460 89.60 91.50 92.00 96.50
100 230 231.00 236.00 239.00 252.00
460 115.00 118.00 120.00 126.00
125 230 292.00 293.00 298.00 305.00
460 146.00 147.00 149.00 153.00
150 230 343.00 348.00 350.00 365.00
460 171.00 174.00 175.00 183.00
200 230 458.00 452.00 460.00 482.00
460 229.00 226.00 230.00 241.00

E = Voltage / I = Amps /W = Watts / PF = Power Factor /
Eff = Efficiency / HP = Horsepower

AC/DC Formulas
To Find Direct Current AC / 1phase
115v or 120v		 AC / 1phase
208,230, or 240v		 AC 3 phase
All Voltages
Amps when
Horsepower is Known		 HP x 746
E x Eff		 HP x 746
E x Eff X PF		 HP x 746
E x Eff x PF		 HP x 746
1.73 x E x Eff x PF
Amps when
Kilowatts is known		 kW x 1000
E		 kW x 1000
E x PF		 kW x 1000
E x PF		 kW x 1000
1.73 x E x PF
Amps when
kVA is known		   kVA x 1000
E		 kVA x 1000
E		 kVA x 1000
1.73 x E
Kilowatts I x E
1000		 I x E x PF
1000		 I x E x PF
1000		 I x E x 1.73 PF
1000
Kilovolt-Amps   I x E
1000		 I x E
1000		 I x E x 1.73
1000
Horsepower
(output)		 I x E x Eff
746		 I x E x Eff x PF
746		 I x E x Eff x PF
746		 I x E x Eff x 1.73 x PF
746

W = power (Watts)

E = voltage (Volts)

I = current (Amperes)

R = resistance (Ohms)
 

Example - Ohm's law

A 12 volt battery supplies power to a resistance of 18 ohms.

I = (12 Volts) / (18 ohms)

    = 0.67 Ampere

Allowable Ampacities Insulated Conductors (In a Raceway)

Table 310-16 1996 N.E.C.


 		 60°C 75°C 90°C 60°C 75°C 90°C
AWG
 		 THW
 
 		 THW
 

 		 TW THWN
 		 TW THWN
 
MCM UF USE THHN UF USE THHN

 		 COPPER
 		 ALUMINUM
18

 

 		 14*

 

 

 
16

 

 		 18*

 

 

 
14 20* 20* 25*

 

 

 
12 25* 25* 30* 20* 20* 25*
10 30* 35* 40* 25* 30* 35*
8 40 50 55 30 40 45
6 55 65 75 40 50 60
4 70 85 95 55 65 75
3 85 100 110 65 75 85
2 95 115 130 75 90 100
1 110 130 150 85 100 115
1/0 125 150 170 100 120 135
2/0 145 175 195 115 135 150
3/0 165 200 225 130 155 175
4/0 195 230 260 150 180 205
250 215 255 290 170 205 230
300 240 285 320 190 230 255
350 260 310 350 210 250 280
400 280 335 380 225 270 305
500 320 380 430 260 310 350
600 355 420 475 285 340 385
700 385 460 520 310 375 420
750 400 475 535 320 385 435
The charts below are based on the National Electrical Code as well as tried-and-true methods commonly used in the field. These charts are used to size the overcurrent protection for the transformer on both the primary side and the secondary side. The overcurrent protection is typically a circuit breaker.

  Overcurrent Protection for  Three Phase Transformers   
208 VOLTS
CIRCUIT BREAKER 		  TRANSFORMER 
KVA		 480 VOLTS
CIRCUIT BREAKER 
 110 AMPS 30 KVA 50 AMPS
 175 AMPS 45 KVA 70 AMPS
 300 AMPS 75 KVA 125 AMPS
 400 AMPS 112.50 KVA 175 AMPS
 600 AMPS 150 KVA 225 AMPS
 800 AMPS 225 KVA 350 AMPS
 1200 AMPS 300 KVA 450 AMPS

* Unless otherwise specifically permitted elsewhere in the National Electrical Code Book, the overcurrent protection for conductor types marked with an asterisk shall not exceed 15 amperes for No. 14, 20 amperes for No. 12 & 30 amperes for No. 10 copper; or 15 amperes for No. 12 & 25 amperes for No. 10 aluminum & copper-clad aluminum after any correction factors for ambient temperature & number of conductors has been applied.
ask the electrician, three phase, two phase, single phase, commercial, industrial, power, 480V., 208V., 120V., 277v., transformers, high voltage, pad mount, underground, aerial service, utility service, step up, step down, service entrance panel, noise, parking lot, circuit breakers, fused disconnects and a good electrician.  Serving the Property Owners in areas around Media 19063, Ardmore 19003, Aston 19014, Bala Cynwyd 19004, Berwyn 19312, Blue Bell 19422 and all Delaware County Pa. Boroughs, Townships and Municipalities

Anthony Tori - The electrical contractor.   The Able Group Inc.   610-853-8311.
 

Abington 19001 PA. Action Information for Electrical Trade Topics for the Abington area.

 

I can explain it:
fused disconnects, magnetic motor starters, electromagnetically operated contacts, push buttons for equipment - start and stop.

I do the research needed for the connected motor load and particular control circuits with momentary contact devices. Connections to the coil of the magnetic motor starter. Motor-Logic full-voltage magnetic motor starter, stationary contacts, movable contacts, pressure springs, solenoid coil, stationary electromagnet, magnetic shading coils, and moving armature. Customized panels, power trough and buss duct. Fabricated items for any purpose.

The Power Problem Service Guide by Able group Inc.

Important Safety Inspections for Public Facility and Business Property.

Energy Usage Information and Wattages Chart.

Wire Types and Sizes. Informative Support for the Do It Yourself Job.

Broomall - The Able Group Contractors Electricians, Installers, Constructors and online support.

Gladwyne 19035 PA, Ask the Electrician. Ready to Work for You - Information Station for Professional Contractors. . Plymouth Meeting 19462 PA Ask the Electrician. Property Improvers Prioritizing Know-How with Informative Details for Every Question.