16 Tex. Admin. Code § 65.605 - Electric Steam Boilers - Generators
(a)
A cable at least as large as one of the incoming power lines to the generator
shall be provided for grounding the generator shell. This cable shall be
permanently fastened on some part of the generator and shall be grounded in an
approved manner.
(b) A suitable
screen or guard shall be provided around high-voltage bushings, and a sign
posted warning of high voltage. This screen or guard shall be so located so
that it prevents accidental contact with the high voltage circuit.
(c) In electric boilers of the
submerged-electrode type, the water gage glass shall be located to indicate the
water levels both at start-up and under maximum load conditions as established
by the manufacturer.
(d) Electric
boilers of the resistance-element type shall have at least one gage glass. The
lowest visible water level in the gage glass shall be at least 1 inch (25 mm)
above the lowest permissible water level as determined by the manufacturer.
Each boiler of this type shall be equipped with an automatic low-water cutoff
to cut off the power supply before the surface of the water falls below the
visible level in the gage glass.
(e) Tubular gage glasses on electric boilers
shall be equipped with protective rods or shields.
(f) The minimum relieving capacity for
pressure relief valves on electric boilers shall be 3 1/2 pounds (24
kilopascals) of steam per hour per kilowatt input.
(g) All electric boilers shall be internally
examined through the electric heating element, removable cover, inspection
opening or handhole as construction allows.
Notes
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