Class 1 Insulating Gloves – MV Medium Voltage Gloves 7500V (3.3kV 6.6kV)

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Class 1 Insulating Gloves - MV Medium Voltage Gloves 7500V (3.3kV 6.6kV)

Class 1 Insulating Gloves – MV Medium Voltage Gloves 7500V (3.3kV 6.6kV)

CATU’s Class 1 insulating gloves provide electrical hand protection when working near live voltages up to 7,500V. MV medium voltage gloves have been tested up to 11,250V and are certified for use up to 7,500V according to IEC 60903 and EN 60903 standards.

Class 1 gloves are generally replaced twice per year by UK DNO’s i.e. at 6 monthly intervals. When the insulating gloves are removed from the sealed bag in which they are delivered it is recommended as good working practice that the date of opening be written on each glove along the edge of the glove cuff using a ball-point pen or similar.

All pairs of insulating gloves should be replaced in pairs.

All CATU insulating gloves are individually tested and provided in a sealed plastic bag for use with several sizes available from size 7 to 12.

CATU offer a range of Class 1 gloves depending on the requirements including:

  • CATU CG-1 Insulating Gloves (EN 60903)
  • CATU CGA-1 ASTM Insulating Gloves
  • CATU CGM-1 Mechanical Composite Insulating Gloves

Should you require any technical support to select the correct insulating gloves for LV MV HV power systems including 11kV/33kV please contact us – download the Sizing Guide to ensure a comfortable and correct glove fit.

Class 1 Gloves - Hand Sizing Guide

Class 1 Gloves – Hand Sizing Guide

Class 1 Insulating Gloves

CATU CG-1

CATU CG-1 insulating gloves manufactured from rubber are for use with silicon leather glove covers and do not provide mechanical protection – these type of electrical gloves are typically used during cable jointing and equipotential bonding.

CG-1 gloves are fully compliant with EN 60903 and IEC 60903 and have an RC classification for resistance to acid, oil and o-zone and low temperatures.

Class 1 Insulating Gloves - MV Medium Voltage Gloves 7500V (3.3kV 6.6kV)

CATU CG-1 MV Medium Voltage Insulating Gloves

 

CATU Insulating Glove Part Code Class Voltage Category Total Length Glove Colour
CG-1-(**)-NR 1 ≤ 7,500V RC 360mm Bi-colour: Red outside, Natural inside

(**) Complete by size codes 07 to 12

CATU CGA-1 Class 1 ASTM Insulating Gloves

ASTM Certified Insulating Gloves

ASTM Certified Insulating Gloves

CATU CGA-1 ASTM Class 1 insulating gloves are fully compliant with the stricter ASTM standard (ASTM D120) and are made of a specially treated rubber which to ensure high dielectric characteristics.

Class 1 Insulating Gloves - MV Medium Voltage Gloves 7500V (3.3kV 6.6kV)

CATU CGA-1 MV Medium Voltage ASTM Insulating Gloves

 

CATU Insulating Glove Part Code Class Voltage Type Total Length Glove Colour
CGA-1-(*)-NB 1 ≤ 7,500V I 14″ Bi-colour: Black outside, Natural inside

(*) Complete by size codes 07 to 12

CATU CGM-1 CLASS 1 Mechanical Composite INSULATING GLOVES

CATU CGM-1 insulating gloves have higher mechanical properties than the CG range and do not require leather overgloves – this standard covers electrical insulating gloves with additional integrated mechanical protection referred to as “composite gloves”.

CGM-1 gloves are fully compliant with EN 60903 and IEC 60903 and have an RC classification for resistance to acid, oil, o-zone and low temperatures. Gloves are also arc flash tested to IEC 61482-1-2 Class 2 and ASTM F2675/F2675M.

Class 1 Insulating Gloves - MV Medium Voltage Gloves 7500V (3.3kV 6.6kV)

CATU CGM-1 Mechanical Composite Insulating Gloves

CATU Insulating Glove Part Code Class Voltage Category Total Length Glove Colour
CGM-1-(*) 1 ≤ 7,500V RC 360mm Bi-Colour – Orange outside, natural inside

(*) Complete by size codes 07 to 12

Examination & Cleaning Procedure For Insulating Gloves

To ensure that the Class 1 insulating gloves are safe to use the following examination should be carried out before each occasion on which the gloves are used:

  • Check the CATU test date on the insulating gloves is not more than 12 months old
  • Check that the 7.5kV rated gloves have not been in use for more than 6 months
  • Check that they are are clean and dry, both outside and in
  • Check that the rubber insulation does not show blisters or abrasions to the glove surface
  • Stretch by hand and check for tears, cuts or punctures
  • Replace pair of gloves immediately if either of a pair of gloves show signs of not being safe
  • French chalk or talcum powder can be used inside the gloves for additional comfort

Cleaning Gloves

  • Do not allow the insulating gloves to remain soiled or exposed to heat or strong light
  • Gloves shall be wiped clean on completion of work to remove any surface contamination
  • Clean off insulating compound such as tar or paint
  • Use a warm solution of soap and water – if tar or paint continues to stick to the gloves wipe with a suitable cable degreasing solution
  • Rinse the gloves in clean water and dry them – finish with a sprinkling of French chalk or talcum powder
  • Do not, during washing and drying, warm the gloves up above 55° Celsius
  • Keep the Class 1 insulating glove in protective wallets for safe storage
  • Insulating gloves should not be cleaned using petrol, paraffin, white spirit or similar cleaning solvents

Class 1 Glove StandardsClass 00 Gloves Standards

EN 60903 is the European standard which classes and categorises Class 1 insulating gloves according to level of protection against electrical shock. Both CATU CG-1 and CGM-1 are compliant with this European standard providing the following voltage exposure withstand:

  • AC 7,500V
  • DC 11,250V

ASTM D120 standard and specification covers manufacturing and testing of rubber insulating gloves for protection of workers from electrical shock – CATU CGA-1 gloves are compliant with this American standard.

Class 1 Gloves Comparison

The following table provides an overview of the Class 1 type of insulating gloves manufactured by CATU Electrical to provide MV Medium Voltage protection up to 7,500V.

CATU Insulating Glove Code Insulating Class Glove Type Standard  Category Type  Voltage Total Length Glove Colour
CG-1 1 Insulating Rubber – Standard EN60903 | IEC60903 AZC ≤ 7,500V 360mm Beige
CGA-1 1 Insulating Rubber – USA ASTM D120 I ≤ 7,500V 355.6mm Black
CGM-1 1 Insulating Rubber –  Mechanical Composite EN60903 | IEC60903 RC ≤ 7,500V 360mm Bi-Colour – Orange outside, natural inside
  • EN60903 & IEC60903 Category : A = Acid, Z = Ozone, C = Very Low Temperature
  • ASTM D120 Type 1 Non-Resistant To Ozone
Comparison Of All Classes Of Catu Gloves
Class Of Gloves  Maximum Voltage Use AC DC  Test Voltage AC Proof Test Voltage AC Withstand Sizes Available
Class 00 Gloves 500V ac | 750V dc 2.5kV 5kV 08-12 (7 may be available on request)
Class 0 Gloves 1000V ac | 1500V dc 5kV 10kV 08-12 (7 may be available on request)
Class 1 Gloves 7500V ac | 11250V dc 10kV 20kV 08-12 (7 may be available on request)
Class 2 Gloves 17000V ac | 25500V dc 20kV 30kV 08-12
Class 3 Gloves 26500V ac | 39750V dc 30kV 40kV 08-12
Class 4 Gloves 36000V ac | 54000V dc 40kV 50kV 09-12

 

CATU Electrical Safety
CATU Electrical Safety

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