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Expertise
I can answer questions regarding: Code, services, feeders, branch circuits, transformers,overcurrent protection, basic motors and motor conrol, load and voltage drop calculations, troubleshooting. I will not answer questions on advanced motor control, logic controllers, and questions which are typically engineering functions: short circuit current calcs, power factor correction, etc.
Experience in the area
Licensed electrician since 1968. Owner-Robertson Electric Company, residential/commercial contractor. Certified by International Association of Electrical Inspectors for residential and general code enforcement inspection, and plans review for compliance. Owner, FPN,Inc., providing electrical inspection for compliance for small municipalities; former Chiel Electrical Inspector, Village of Libertyville, IL; former licensed commercial electrical inspector, State of Wisconsin; Instructor for 3rd and 4th year apprentices, Associated Builders and Contractors, Northern Illinois Chapter.
Education/Credentials
4 years H.S., 2 years college, IAEI certified inspector; certified instructor, National Center for Construction Education and Research.
Average Ratings
Recent Reviews from Users
K = Knowledgeability C = Clarity of Response T = Timeliness P = Politeness| User | Date | K | C | T | P | Comments |
|---|---|---|---|---|---|---|
| A | 11/14/09 | 10 | 10 | 10 | 10 | |
| wal | 11/11/09 | 8 | 8 | 10 | 10 | It was the holding contacts. |
| Kathie | 11/09/09 | 10 | 10 | 10 | 10 | Very helpful |
| kareem | 11/02/09 | 10 | 8 | 10 | 9 | |
| subha priya | 10/22/09 | 10 | 10 | 10 | 10 | good |
Recent Answers from Ron Robertson
2009-11-17 Wiring for hot tub:
Jarrod... On it's face, yes. Provide seperate ground bars in the two sub-panels. Do not bond the neutral bars in the sub panels. Are the garages detached from the house? If yes, additional grounding
2009-11-12 220 power:
Hi, Bill..... My guess is yes, it will work on your 208 or 240.....BUT....... I'm curious. In the photo, the bridge wire goes from the lower 0 post to the upper 110 post, then to a wire in the cord
2009-11-11 help?:
A..... help me out here...... If the lamps are 110 volts, each lamp connected to one phase wire and neutral (star) and supplied by three phase, 4-wire star system? If this is the case... Line to neutral
2009-11-09 electricmotor:
Mark... Without a schematic, I can't tell you what color wire does what... However...... this motor has multiple windings.(2) When it is being operated on 120 volts, these two windings are connected
2009-11-09 Power to residence household:
Kathie..... The short answer is yes. 10-12 KW is about the same as your average electric range. NOW....the usual voltage supplied to a house is 120/240 volts. The questions you need to get answered
Answers by Expert:
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