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 ELECTRICAL
Switchgear - includes electrical switchgear, associated apparatus, and equipment con-
nected to distribution circuits in buildings, 600 volts and under, and not located in vaults
or fire-resistant rooms. It includes, primarily, switchgear known as "metal clad",
"drawout", "cubicle", or "truck" type
Wood Poles and Accessories - Wood poles used to support overhead electric distribu-
tion systems and/or telephone open wire or aerial cable systems. Included are such ac-
cessories and related items as crossarms, insulators, pins, tiewires, hardware, line wires
near the pole, guywires, and ground-wires. Inspection of equipment such as trans-
formers, cutouts, lightning arresters, or terminal boxes that are mounted on wood poles
is covered elsewhere
7.2 ELECTRICAL INSPECTION INSTRUCTIONS:
7.2.1 Cathodic Protection Systems: Comply with all current safety precautions.
Do not bridge insulated couplings. Do not make or break electrical connections. Deter-
mine if preventive maintenance inspections are adequate. Check for:
GALVANIC OR SACRIFICIAL ANODE SYSTEMS:
n Terminals and Jumpers of Test Leads (permanently installed and
accessible on underground systems):
rust
corrosion
broken or frayed wires
loose connections
similar deficiencies. Tighten connections
n Anode Suspensions (elevated water tanks and systems for waterfront
structures):
rust
corrosion
bent or broken suspension members or braces
frayed or broken suspension lines or cables
loose bolts
loose cable connections
frayed or broken wiring
7-3
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