Code Alarm SRT 5500 Specifications download pdf (Page 26)

December 2013

REQUEST FOR PROPOSALS FOR

PURCHASE AND DELIVERY OF HEAVY-DUTY BUSES

RFP SRTA-2014-01

TECHNICAL SPECIFICATIONS

PAGE-26

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b. Wiring shall be insulated with two-layer cross-link polyethylene. Insulation must

be moisture proof and heat resistant. It shall be a design objective to route wiring

and harnesses in areas with no temperature build-up. If wiring must be run in

areas of heat build-up, it must withstand, without deterioration for the life of the

coach, the highest temperature in the area served. Engine compartment wiring

shall be heat, oil and flame resistant. Alternative insulation materials for special

installations may be used with the prior approval of the SRTA.

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c. Wiring shall be protected from weather and mechanical injury. Cables should be

supported along their length and strain-relieved near terminations so that

connectors and terminals are not under stress. Wire and cable passing through

holes in sheet metal, structural members, etc. shall be protected with a grommet

or other approved device. Wire and cable subject to flexing shall be extra flexible

and shall be installed to allow for continual flexing without damage to the

conductors or insulation. Wiring routed next to or bent over other materials shall

be chafe protected by approved means.

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d. All under coach looms, cable runs, connectors, terminations and harnesses

should be totally sealed to dirt, water and road hazards. Under coach wiring shall

be run in sealed flexible plastic conduit. All under coach wiring protection

methods shall be approved by the SRTA.

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e. All electrical connectors shall be replaceable. Engine and transmission

harnesses shall have sealed, quick disconnect connectors to facilitate engine

and transmission removal. All high current connection points shall be coated with

approved conductive coating.

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f. All wire termination loops shall have a minimum of 2 inches excess wire for

additional end terminal installation which will allow at least one replacement of

the termination without disrupting the wiring harness. Wires shall not be spliced

between terminations.

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g. Cable terminations shall be pressure-type terminals applied with a full cycle

correct tool of the same manufacturer as the terminal. All terminals shall be full-

ring, interlocking or tongue-type sized for the terminal screw or stud.

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h. All under coach connectors shall be of a locking type. A minimal number of

spade terminals inside the bus is acceptable. Connector terminals shall be

coated with approved dielectric grease. Drip loops shall be supplied on all under

coach termination points.

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i. A description of all multiple pin connectors and the conductor identification

scheme shall be submitted in advance of the pre-production meeting to the

SRTA for review.

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j. All electronics components and boxes shall have quick disconnect plugs

attached. Hard wiring to these boxes is prohibited.

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k. The conductor identification shall be developed by the Contractor to give an

individual identifying designation to each wire for circuit tracing and renewal of

equipment and shall be shown on all electrical diagrams. All junction panel

terminals shall be numbered.

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Code Alarm SRT 5500 Specifications Page 26

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