GB1493501A - End portion on an electric cable - Google Patents

End portion on an electric cable

Info

Publication number
GB1493501A
GB1493501A GB649075A GB649075A GB1493501A GB 1493501 A GB1493501 A GB 1493501A GB 649075 A GB649075 A GB 649075A GB 649075 A GB649075 A GB 649075A GB 1493501 A GB1493501 A GB 1493501A
Authority
GB
United Kingdom
Prior art keywords
spacer
casings
tube
fire
insulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB649075A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cables de Lyon SA
Original Assignee
Cables de Lyon SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cables de Lyon SA filed Critical Cables de Lyon SA
Publication of GB1493501A publication Critical patent/GB1493501A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame

Landscapes

  • Insulated Conductors (AREA)

Abstract

1493501 Cable terminations LES CABLES DE LYON 14 Feb 1975 [19 Feb 1974] 6490/75 Heading H2E A cable 1 comprising at least one conductor 2 insulated by a mineral material 4 from a metallic sheath 3 has a fire-proof end portion 6 which comprises a transparent resilient tube 7 fitted over sheath 3, a fire resistant insulating spacer 8 having apertures 9 for the conductors to pass through, a fluid-tight insulating compound 5 packed between the spacer 8 and the end of the mineral insulator 4 and fluid-tight insulating casings 10 fitted on the free ends of the conductors and abutting the spaces 8. The spacer 8 is preferably of a refractory mineral oxide, tube 7 is preferably polyethylene, and material 5 is preferably a mixture of silicone rubber and non-polymerized butyl rubber. Casings 10 comprise two coaxial glass braids (Fig. 3, not shown) impregnated with or overlaid with silicone rubber. In the event of fire, the tube 7 deteriorates but compound 5, spacer 8 and casings 10 retain their insulating properties and prevent a short-circuit.
GB649075A 1974-02-19 1975-02-14 End portion on an electric cable Expired GB1493501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7405572A FR2261597B1 (en) 1974-02-19 1974-02-19

Publications (1)

Publication Number Publication Date
GB1493501A true GB1493501A (en) 1977-11-30

Family

ID=9135107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB649075A Expired GB1493501A (en) 1974-02-19 1975-02-14 End portion on an electric cable

Country Status (3)

Country Link
DE (1) DE2506604A1 (en)
FR (1) FR2261597B1 (en)
GB (1) GB1493501A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8515009D0 (en) * 1985-06-13 1985-07-17 Raychem Sa Nv Protection of terminal blocks
US5762135A (en) * 1996-04-16 1998-06-09 Moore; Boyd B. Underground well electrical cable transition, seal and method

Also Published As

Publication number Publication date
FR2261597B1 (en) 1976-11-26
FR2261597A1 (en) 1975-09-12
DE2506604A1 (en) 1975-08-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee