Frequently Asked Questions

Accessories

Does it breach certification to use multiple reducers on an Exe rated cable gland going into a junction box, or is it simply poor practice?

Cable Glands - Applications

Which type of Cable Gland would be suitable for type SY cable?
Which standard or code is applicable for Exd cable glands if these are installed in ambient temperature of minus 40°C?
Which cable gland material is suitable for offshore salt laden environments?
What is the suitability of brass cable glands and termination plates in an outdoor onshore seaside application?
Which type of cable gland can be used in the safe area and is it necessary to use a double compression gland?
The cable armour thickness falls outside the range of standard armour clamping rings. Is an alternative available?

Cable Glands - Installation

What is the recommended clearance hole diameter when mounting cable glands to enclosures?
What is the cold flow effect?
How long should it take to install a standard Hawke cable gland?
Is there a recommended minimum spacing for threaded hole gland plates?
If a cable gland does not screw fully into an adaptor, but is more than the required 5 threads, would this be acceptable in an Exd installation?
Can brass cable glands be used for single core aluminium wire armoured cable?
How is grounding accomplished when using Hawke's braided/armoured cable glands?
Does the approval certificate allow a sealing washer to be used when a cable gland is installed in an Exd enclosure?

Cable Glands - Lead Sheath Cable

Can /L cable glands intended for use with lead sheath cable be fitted to non-lead sheath cable?
When using SWA inner lead sheath cable with the 501/453/RAC/L cable gland, should the inner lead sheath protrude through the entry enclosure thread by 5 to 10mm?

Cable Glands - Materials and Finish

Is there any difference in the Hawke cable gland construction when changing material between Brass, Stainless Steel and Aluminium?
Is there any ATEX/IECEx certification of nickel plated cable glands to confirm corrosion resistance capability?
Does the type 711 Cable Gland have a Stainless Steel or Aluminium body?

Cable Glands - Protection Concepts

Is the entry thread classed as a flame path when a cable gland is fitted to an Exd enclosure?
Which cable gland certification should I use for hazardous dust environments such as Zone 21 and 22?
What is the difference between 501/423 and 123 type cable glands?

Cable Glands - Threadforms

What does the term Electrical Thread (ET) mean when applied to cable glands?
What are the entry thread options for Hawke cable glands?
What are Hawke's metric male thread tolerances?
What are the equivalents for P.F. and UNI – 6125-74 threads?

EMC Compliance

Is the shielding effectivness measured on Hawke cable glands?

Enclosures

Can a taper entry thread be used in an increased safety Exe plastic enclosure?

Ingress Protection

Do I need to fit a sealing washer between an accessory (e.g. adaptor, breather drain, stopping plug etc) and enclosure?
When cable glands are installed into enclosures and on cable, is the IP rating maintained as specified on the cable gland?
Why use nylon washers instead of fibre washers?
Are IP68 cable glands available for XLPE armoured cables?

Shell DTS01 Deluge Protection

What is the purpose of the external deluge boot on Hawke Cable Glands?
What is Shell DTS01 Deluge Protection?
Are Hawke cable glands compliant with Shell DTS01 Deluge Protection?