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This flexible natural gas connector line is installed through the sheetmetal side panel of a heating furnace... A standard practice in the past.Passing through the center of a sheetmetal cutout isn't so much of a concern, but when the flexible connector is tight up against the edge of the sheetme...
01/16/2012
Apparently, a lot of wires can be stuffed into an electrical junction box... However, this installation doesn't meet the National Electrical Code requirements. You could say, the more the merrier... But not in this situation. Too many wires stuffed into a box can cause dangerous overheating, shor...
01/12/2012
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What is a P-Trap? Take a look under any bathroom or kitchen sink.  If the plumbing was professional installed, you'll see a u-shape pipe with a pipe 'leg' running to the back of the cabinet... It looks like the letter P laying down.   This is called a p-trap. Its design has two purposes: First, ...
01/05/2012
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Hardly... This partially disconnected water heater exhaust flue is discharging unwanted exhaust gases (including carbon monoxide) into the garage as shown in this photo. In this Walnut Creek house, there was a bedroom above the garage ceiling... not good, if exhaust gases accumulate and there's a...
01/05/2012
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What are silt marks? Silt marks occur when water rises and then slowly recedes leaving dirt and small debris that was mixed in or floating on the water clinging to the sides of vertical surfaces. Silt marks observed along house foundations, support piers, drain pipes, and/or heating/cooling duct...
01/05/2012
Happy new year! Termites have lived longer than the dinosaurs and continue to eat their way through all the wood they can find. Termites are 24/7 bugs, which means they eat non-stop - 24 hours a day, seven days a week. They have hard, saw-toothed jaws that help them to eat lumber, wallpaper, plas...
01/04/2012
Googling 'light bulb temperature'... states a 60 watt bulb can reach 260 degrees at the surface... a 100 watt bulb is in the neighborhood of 390 degrees. Closet light fixture clearances require all incandescent light bulbs be enclosed (glass globe) and that the light fixture be installed at least...
12/22/2011
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Double-wiring, also known as “double-lugging,” is a condition where there's two wires under one lug screw on a circuit breaker in an electrical panel. The photo shows there are three instances of double-lugging in this electrical panel. Double-tapping typically occurs when a non-professional is a...
12/19/2011
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At the top of a water heater, there are two pipe nipples (short lengths of pipe) for attaching both the cold water supply line and the outgoing hot water line. In California (and maybe in other states), the water lines are typically flexible copper pipe to meet earthquakes requirements. Not to ge...
12/18/2011
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This is a temperature pressure relief valve (TPR valve) on a water heater.    A TPR valve is a safety valve.   If something goes wrong with the water heater (i.e., the water heater doesn't turn Off after reaching the set temperature)... the valve is designed to open when a certain internal tank ...
12/18/2011
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