WNA, Inc.

WIN A $100 SHELL OIL GAS CARD !!

Every season we post a photo on our website which illustrates the importance of including Construction Administration in the Engineering scope of work. Even small, seemingly unimportant installation deficiencies can cause poor system performance, increased maintenance, or reduced equipment longevity. Correctly identify the installation blooper (pictured to the left) and you are automatically entered to win a $100 Shell Oil Gas Card. Drawing will be held February 15, 2009. Past winners are eligible to win again!

Additional photo below - click for larger view.

Which response best describes what is wrong in this photo?

	The twist in garden hose connected to the high pressure blow-off valve ensures that if the valve opens, the pressure from the water will be reduced and will drain more slowly.
	The exposed wiring and wire connections provide easier maintenance and quicker access to the conductors.
	The garden hose and the loose wiring provide vibration isolation between the water heater and the relief valve drain piping and electrical system. The unprotected wiring to the water heater provides an "emergency quick disconnect". If the water heater malfunctions, the conductors can be cut with wire cutters, immediately de-energizing the water heater.
	Using garden hose on the discharge of the high pressure blow-off valve creates a potentially unsafe condition. If the pressure relief valve opens the hose may or may not withstand the pressure and temperature of the water and could fail. In addition, the electrical conduit is not supported and does not terminate in an approved manner, as required by the NEC, leaving the conductors unprotected and subject to damage. The wire terminations are also not terminated in and approved junction box.

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